local version = {
    ["major"] = 2,
    ["minor"] = 2,
    ["patch"] = 1
}

local textutils = require("serialization")
local fs = require("filesystem")
local component = require("component")
local sides = require("sides")

function loadFile(fileName)
    local f = io.open(fileName, "r")
    if f ~= nil then
        local data = f:read("*a")
        f:close()
        return textutils.unserialize(data)
    end
end

function saveFile(fileName, data)
    local f = io.open(fileName, "w")
    f:write(textutils.serialize(data))
    f:close()
end

local config = loadFile("bee.config")
if config == nil then
    config = {
        ["apiarySide"] = "left",
        ["chestSide"] = "top",
        ["chestDir"] = "up",
        ["productDir"] = "down",
        ["analyzerDir"] = "east",
        ["ignoreSpecies"] = {
            "Leporine"
        }
    }
    saveFile("bee.config", config)
end

local useAnalyzer = true
local useReferenceBees = true

local traitPriority = {
    "speciesChance",
    "speed",
    "fertility",
    "nocturnal",
    "tolerantFlyer",
    "caveDwelling",
    "temperatureTolerance",
    "humidityTolerance",
    "effect",
    "flowering",
    "flowerProvider",
    "territory"
}

function setPriorities(priority)
    local species = nil
    local priorityNum = 1
    for traitNum, trait in ipairs(priority) do
        local found = false
        for traitPriorityNum = 1, #traitPriority do
            if trait == traitPriority[traitPriorityNum] then
                found = true
                if priorityNum ~= traitPriorityNum then
                    table.remove(traitPriority, traitPriorityNum)
                    table.insert(traitPriority, priorityNum, trait)
                end
                priorityNum = priorityNum + 1
                break
            end
        end
        if not found then
            species = trait
        end
    end
    return species
end

-- logging ----------------------------

local logFile
function setupLog()
    local logCount = 0
    while fs.exists(string.format("bee.%d.log", logCount)) do
        logCount = logCount + 1
    end
    logFile = io.open(string.format("bee.%d.log", logCount), "w")
    return string.format("bee.%d.log", logCount)
end

function log(msg)
    msg = msg or ""
    logFile:write(tostring(msg))
    logFile:flush()
    io.write(msg)
end

function logLine(...)
    local arg = {...}
    for i, msg in ipairs(arg) do
        if msg == nil then
            msg = ""
        end
        logFile:write(msg)
        io.write(msg)
    end
    logFile:write("\n")
    logFile:flush()
    io.write("\n")
end

function getComponents()
    --local names = table.concat(peripheral.getNames(), ", ")
    --local chestComponent = peripheral.wrap(config.chestSide)
    --if chestComponent == nil then
        --error("Bee chest not found at " .. config.chestSide .. ".  Valid config values are " .. names .. ".")
    --end
    --local apiaryComponent = peripheral.wrap(config.apiarySide)
    --if apiaryComponent == nil then
        --error("Apiary not found at " .. config.apiarySide .. ".  Valid config values are " .. names .. ".")
    --end
    ---- check config directions
    --if not pcall(function () chestComponent.pullItem(config.analyzerDir, 9) end) then
        --logLine("Analyzer direction incorrect.  Direction should be relative to bee chest.")
        --useAnalyzer = false
    --end
    local inv = {}
    inv.transposer = component.transposer
    inv.db = component.database
    inv.interface = component.me_interface
    for i=1,80 do inv.db.clear(i) end
    local apiary = component.bee_housing
    return inv, apiary
end

-- utility functions ------------------

function choose(list1, list2)
    local newList = {}
    if list2 then
        for i = 1, #list2 do
            for j = 1, #list1 do
                if list1[j] ~= list2[i] then
                    table.insert(newList, {list1[j], list2[i]})
                end
            end
        end
    else
        for i = 1, #list1 do
            for j = i, #list1 do
                if list1[i] ~= list1[j] then
                    table.insert(newList, {list1[i], list1[j]})
                end
            end
        end
    end
    return newList
end

function areTablesEqual(t1, t2)
    local equal = true
    for k, v in t1 do
        if type(v) ~= "table" then
            if v ~= t2[k] then
                equal = false
                break
            end
        else
            if type(v) ~= type(t2[k]) or not areTablesEqual(v, t2[k]) then
                equal = false
                break
            end
        end
    end
    return equal
end

-- fix for yet another API change from openp
function getAllBees(inv)
    local notbees = inv.interface.getItemsInNetwork()
    local bees = {}
    for i, bee in ipairs(notbees) do
        if bee.individual and bee.individual.isAnalyzed then
            table.insert(bees, bee)
        end
    end
    io.write("\n")
    return bees
end

function getDbBee(inv, bee)
    local individual = bee.individual
    local hash = bee.hash
    local isRef = bee.isRef
    bee.individual = nil
    bee.hash = nil
    bee.isRef = nil

    local matchingBees = inv.interface.getItemsInNetwork(bee)
    for i=1,matchingBees.n do inv.db.clear(i) end
    inv.interface.store(bee, inv.db.address, 1, matchingBees.n)

    bee.individual = individual

    local location = 0
    for i=1,matchingBees.n do
        local bee2 = inv.db.get(i)
        local match = bee2 and bee2.individual and bee2.individual.isAnalyzed --and bee.name == bee2.name
        if match and areTablesEqual(bee, bee2) then
            location = i
            break
        end
    end

    bee.hash = hash
    bee.isRef = isRef

    return location
end

function getBeeHash(inv, bee)
    local dbLoc = getDbBee(inv, bee)
    if dbLoc > 0 then
        local hash = inv.db.computeHash(i)
        return hash
    else
        logLine("Warning: hash not found")
    end
end

function setInterfaceBee(inv, bee, slot)
    local location = getDbBee(inv, bee)
    if location > 0 then
        inv.interface.setInterfaceConfiguration(slot, inv.db.address, location, 64)
    end
end

--function getBeeInSlot(inv, slot)
    --return inv.getStackInSlot(slot)
--end

-- fix for some versions returning bees.species.*
local nameFix = {}
function fixName(name)
    if type(name) == "table" then
        name = name.name
    end
    local newName = name:gsub("bees%.species%.",""):gsub("^.", string.upper)
    if name ~= newName then
        nameFix[newName] = name
    end
    return newName
end

function fixBee(bee)
    --if bee.individual ~= nil then
        --bee.individual.displayName = fixName(bee.individual.displayName)
        --if bee.individual.isAnalyzed then
            --bee.individual.active.species = fixName(bee.individual.active.species)
            --bee.individual.inactive.species = fixName(bee.individual.inactive.species)
        --end
    --end
    return bee
end

function fixParents(parents)
    parents.allele1 = fixName(parents.allele1)
    parents.allele2 = fixName(parents.allele2)
    if parents.result then
        parents.result = fixName(parents.result)
    end
    return parents
end

function beeName(bee)
    local hash = bee.hash or ""
    if bee.individual.active then
        return hash .. "=" .. bee.individual.active.species:sub(1,3) .. "-" ..
        bee.individual.inactive.species:sub(1,3)
    else
        return hash .. "=" .. bee.individual.displayName:sub(1,3)
    end
end

--function printBee(bee)
    --if bee.individual.isAnalyzed then
        --local active = bee.individual.active
        --local inactive = bee.individual.inactive
        --if active.species ~= inactive.species then
            --log(string.format("%s-%s", active.species, inactive.species))
        --else
            --log(active.species)
        --end
        --if bee.raw_name == "item.for.beedronege" then
            --log(" Drone")
        --elseif bee.raw_name == "item.for.beeprincessge" then
            --log(" Princess")
        --else
            --log(" Queen")
        --end
        ----log((active.nocturnal and " Nocturnal" or " "))
        ----log((active.tolerantFlyer and " Flyer" or " "))
        ----log((active.caveDwelling and " Cave" or " "))
        --logLine()
        ----logLine(string.format("Fert: %d  Speed: %d  Lifespan: %d", active.fertility, active.speed, active.lifespan))
    --else
    --end
--end

-- mutations and scoring --------------

-- build mutation graph
function buildMutationGraph(apiary)
    local mutations = {}
    local beeNames = {}
    function addMutateTo(parent1, parent2, offspring, chance)
        beeNames[parent1] = true
        beeNames[parent2] = true
        beeNames[offspring] = true
        if mutations[parent1] ~= nil then
            if mutations[parent1].mutateTo[offspring] ~= nil then
                mutations[parent1].mutateTo[offspring][parent2] = chance
            else
                mutations[parent1].mutateTo[offspring] = {[parent2] = chance}
            end
        else
            mutations[parent1] = {
                mutateTo = {[offspring]={[parent2] = chance}}
            }
        end
    end
    for _, parents in ipairs(apiary.getBeeBreedingData()) do
        fixParents(parents)
        addMutateTo(parents.allele1, parents.allele2, parents.result, parents.chance)
        addMutateTo(parents.allele2, parents.allele1, parents.result, parents.chance)
    end
    mutations.getBeeParents = function(name)
        return apiary.getBeeParents((nameFix[name] or name))
    end
    return mutations, beeNames
end

function buildTargetSpeciesList(catalog, apiary)
    local targetSpeciesList = {}
    local parentss = apiary.getBeeBreedingData()
    for _, parents in ipairs(parentss) do
        local skip = false
        for i, ignoreSpecies in ipairs(config.ignoreSpecies) do
            if parents.result == ignoreSpecies then
                skip = true
                break
            end
        end
        if not skip and
            ( -- skip if reference pair exists
            catalog.referencePrincessesBySpecies[parents.result] == nil or
            catalog.referenceDronesBySpecies[parents.result] == nil
            ) and
            ( -- princess 1 and drone 2 available
            catalog.princessesBySpecies[parents.allele1] ~= nil and
            catalog.dronesBySpecies[parents.allele2] ~= nil
            ) or
            ( -- princess 2 and drone 1 available
            catalog.princessesBySpecies[parents.allele2] ~= nil and
            catalog.dronesBySpecies[parents.allele1] ~= nil
            ) then
            table.insert(targetSpeciesList, parents.result)
        end
    end
    return targetSpeciesList
end

-- percent chance of 2 species turning into a target species
function mutateSpeciesChance(mutations, species1, species2, targetSpecies)
    local chance = {}
    if species1 == species2 then
        chance[species1] = 100
    else
        chance[species1] = 50
        chance[species2] = 50
    end
    if mutations[species1] ~= nil then
        for species, mutates in pairs(mutations[species1].mutateTo) do
            local mutateChance = mutates[species2]
            if mutateChance ~= nil then
                chance[species] = mutateChance
                chance[species1] = chance[species1] - mutateChance / 2
                chance[species2] = chance[species2] - mutateChance / 2
            end
        end
    end
    return chance[targetSpecies] or 0.0
end

-- percent chance of 2 bees turning into target species
function mutateBeeChance(mutations, princess, drone, targetSpecies)
    if princess.individual.isAnalyzed then
        if drone.individual.isAnalyzed then
            return (mutateSpeciesChance(mutations, princess.individual.active.species, drone.individual.active.species, targetSpecies) / 4
            +mutateSpeciesChance(mutations, princess.individual.inactive.species, drone.individual.active.species, targetSpecies) / 4
            +mutateSpeciesChance(mutations, princess.individual.active.species, drone.individual.inactive.species, targetSpecies) / 4
            +mutateSpeciesChance(mutations, princess.individual.inactive.species, drone.individual.inactive.species, targetSpecies) / 4)
        end
    elseif drone.individual.isAnalyzed then
    else
        return mutateSpeciesChance(princess.individual.displayName, drone.individual.displayName, targetSpecies)
    end
end

function buildScoring()
    function makeNumberScorer(trait, default)
        local function scorer(bee)
            if bee.individual.isAnalyzed then
                return (bee.individual.active[trait] + bee.individual.inactive[trait]) / 2
            else
                return default
            end
        end
        return scorer
    end

    function makeBooleanScorer(trait)
        local function scorer(bee)
            if bee.individual.isAnalyzed then
                return ((bee.individual.active[trait] and 1 or 0) + (bee.individual.inactive[trait] and 1 or 0)) / 2
            else
                return 0
            end
        end
        return scorer
    end

    function makeTableScorer(trait, default, lookup)
        local function scorer(bee)
            if bee.individual.isAnalyzed then
                return ((lookup[bee.individual.active[trait]] or default) + (lookup[bee.individual.inactive[trait]] or default)) / 2
            else
                return default
            end
        end
        return scorer
    end

    local scoresTolerance = {
        ["None"]   = 0,
        ["Up 1"]   = 1,
        ["Up 2"]   = 2,
        ["Up 3"]   = 3,
        ["Up 4"]   = 4,
        ["Up 5"]   = 5,
        ["Down 1"] = 1,
        ["Down 2"] = 2,
        ["Down 3"] = 3,
        ["Down 4"] = 4,
        ["Down 5"] = 5,
        ["Both 1"] = 2,
        ["Both 2"] = 4,
        ["Both 3"] = 6,
        ["Both 4"] = 8,
        ["Both 5"] = 10
    }

    local scoresFlowerProvider = {
        ["None"] = 5,
        ["Rocks"] = 4,
        ["Flowers"] = 3,
        ["Mushroom"] = 2,
        ["Cacti"] = 1,
        ["Exotic Flowers"] = 0,
        ["Jungle"] = 0
    }

    return {
        ["fertility"] = makeNumberScorer("fertility", 1),
        ["flowering"] = makeNumberScorer("flowering", 1),
        ["speed"] = makeNumberScorer("speed", 1),
        ["lifespan"] = makeNumberScorer("lifespan", 1),
        ["nocturnal"] = makeBooleanScorer("nocturnal"),
        ["tolerantFlyer"] = makeBooleanScorer("tolerantFlyer"),
        ["caveDwelling"] = makeBooleanScorer("caveDwelling"),
        ["effect"] = makeBooleanScorer("effect"),
        ["temperatureTolerance"] = makeTableScorer("temperatureTolerance", 0, scoresTolerance),
        ["humidityTolerance"] = makeTableScorer("humidityTolerance", 0, scoresTolerance),
        ["flowerProvider"] = makeTableScorer("flowerProvider", 0, scoresFlowerProvider),
        ["territory"] = function(bee)
            if bee.individual.isAnalyzed then
                local activeTerritory = textutils.unserialize(bee.individual.active.territory:sub(6))
                local inactiveTerritory = textutils.unserialize(bee.individual.inactive.territory:sub(6))
                return ((activeTerritory.x * activeTerritory.y * activeTerritory.z) +
                (inactiveTerritory.x * inactiveTerritory.y * inactiveTerritory.z)) / 2
                --return ((bee.individual.active.territory[1] * bee.individual.active.territory[2] * bee.individual.active.territory[3]) +
                --(bee.individual.inactive.territory[1] * bee.individual.inactive.territory[2] * bee.individual.inactive.territory[3])) / 2
            else
                return 0
            end
        end
    }
end

function compareBees(scorers, a, b)
    for _, trait in ipairs(traitPriority) do
        local scorer = scorers[trait]
        if scorer ~= nil then
            local aScore = scorer(a)
            local bScore = scorer(b)
            if aScore ~= bScore then
                return aScore > bScore
            end
        end
    end
    return true
end

function compareMates(a, b)
    for i, trait in ipairs(traitPriority) do
        if a[trait] ~= b[trait] then
            return a[trait] > b[trait]
        end
    end
    return true
end

function betterTraits(scorers, a, b)
    local traits = {}
    for _, trait in ipairs(traitPriority) do
        local scorer = scorers[trait]
        if scorer ~= nil then
            local aScore = scorer(a)
            local bScore = scorer(b)
            if bScore > aScore then
                table.insert(traits, trait)
            end
        end
    end
    return traits
end

-- cataloging functions ---------------

function addBySpecies(beesBySpecies, bee)
    if bee.individual.isAnalyzed then
        if beesBySpecies[bee.individual.active.species] == nil then
            beesBySpecies[bee.individual.active.species] = {bee}
        else
            table.insert(beesBySpecies[bee.individual.active.species], bee)
        end
        if bee.individual.inactive.species ~= bee.individual.active.species then
            if beesBySpecies[bee.individual.inactive.species] == nil then
                beesBySpecies[bee.individual.inactive.species] = {bee}
            else
                table.insert(beesBySpecies[bee.individual.inactive.species], bee)
            end
        end
    else
        if beesBySpecies[bee.individual.displayName] == nil then
            beesBySpecies[bee.individual.displayName] = {bee}
        else
            table.insert(beesBySpecies[bee.individual.displayName], bee)
        end
    end
end

function catalogBees(inv, scorers)
    catalog = {}
    catalog.princesses = {}
    catalog.princessesBySpecies = {}
    catalog.drones = {}
    catalog.dronesBySpecies = {}
    catalog.queens = {}
    catalog.referenceDronesBySpecies = {}
    catalog.referencePrincessesBySpecies = {}
    catalog.referencePairBySpecies = {}

    ---- phase 0 -- analyze bees and ditch product
    --inv.condenseItems()
    --logLine(string.format("scanning %d slots", inv.size))
    --if useAnalyzer == true then
        --local analyzeCount = 0
        --local bees = getAllBees(inv)
        --for slot, bee in pairs(bees) do
            --if bee.individual == nil then
                --inv.pushItem(config.chestDir, slot)
            --elseif not bee.individual.isAnalyzed then
                --analyzeBee(inv, slot)
                --analyzeCount = analyzeCount + 1
            --end
        --end
        --logLine(string.format("analyzed %d new bees", analyzeCount))
    --end
    -- phase 1 -- mark reference bees
    --inv.condenseItems()
    local referenceHashes = {}
    local referenceBeeCount = 0
    local referenceDroneCount = 0
    local referencePrincessCount = 0
    local isDrone = nil
    local bees = getAllBees(inv)
    if useReferenceBees then
        for i, bee in pairs(bees) do
            if bee.individual ~= nil then
                fixBee(bee)
                local referenceBySpecies = nil
                if bee.name == "forestry:bee_drone_ge" then -- drones
                    isDrone = true
                    referenceBySpecies = catalog.referenceDronesBySpecies
                elseif bee.name == "forestry:bee_princess_ge" then -- princess
                    isDrone = false
                    referenceBySpecies = catalog.referencePrincessesBySpecies
                else
                    isDrone = nil
                end
                if referenceBySpecies ~= nil and bee.individual.isAnalyzed and bee.individual.active.species == bee.individual.inactive.species then
                    local species = bee.individual.active.species
                    if referenceBySpecies[species] == nil or
                        compareBees(scorers, bee, referenceBySpecies[species]) then
                        if referenceBySpecies[species] == nil then
                            referenceBeeCount = referenceBeeCount + 1
                            if isDrone == true then
                                referenceDroneCount = referenceDroneCount + 1
                            elseif isDrone == false then
                                referencePrincessCount = referencePrincessCount + 1
                            end
                            --if slot ~= referenceBeeCount then
                                --inv.swapStacks(slot, referenceBeeCount)
                            --end
                            --bee.slot = referenceBeeCount
                        else
                            --inv.swapStacks(slot, referenceBySpecies[species].slot)
                            --bee.slot = referenceBySpecies[species].slot
                            referenceHashes[referenceBySpecies[species].hash] = nil
                            referenceBySpecies[species].isRef = nil
                        end
                        bee.hash = getBeeHash(inv, bee)
                        referenceHashes[bee.hash] = bee
                        bee.isRef = true
                        referenceBySpecies[species] = bee
                        if catalog.referencePrincessesBySpecies[species] ~= nil and catalog.referenceDronesBySpecies[species] ~= nil then
                            catalog.referencePairBySpecies[species] = true
                        end
                    end
                end
            end
        end
        logLine(string.format("found %d reference bees, %d princesses, %d drones", referenceBeeCount, referencePrincessCount, referenceDroneCount))
        log("reference pairs")
        for species, _ in pairs(catalog.referencePairBySpecies) do
            log(", ")
            log(species)
        end
        logLine()
    end
    -- phase 2 -- ditch obsolete drones
    --bees = getAllBees(inv)
    local extraDronesBySpecies = {}
    --local ditchSlot = 1
    local nonReferenceBees = {}
    for i, bee in pairs(bees) do
        if not bee.isRef then
            table.insert(nonReferenceBees, bee)
        end
    end
    for i, bee in pairs(nonReferenceBees) do
        fixBee(bee)
        --bee.slot = slot
        -- remove analyzed drones where both the active and inactive species have
        --   a both reference princess and drone
        if (
            bee.name == "forestry:bee_drone_ge" and
            bee.individual.isAnalyzed and (
            catalog.referencePrincessesBySpecies[bee.individual.active.species] ~= nil and
            catalog.referenceDronesBySpecies[bee.individual.active.species] ~= nil and
            catalog.referencePrincessesBySpecies[bee.individual.inactive.species] ~= nil and
            catalog.referenceDronesBySpecies[bee.individual.inactive.species] ~= nil
            )
            ) then
            local activeDroneTraits = betterTraits(scorers, catalog.referenceDronesBySpecies[bee.individual.active.species], bee)
            local inactiveDroneTraits = betterTraits(scorers, catalog.referenceDronesBySpecies[bee.individual.inactive.species], bee)
            if #activeDroneTraits > 0 or #inactiveDroneTraits > 0 then
                -- keep current bee because it has some trait that is better
                -- manipulate reference bee to have better yet less important attribute
                -- this ditches more bees while keeping at least one with the attribute
                -- the cataloging step will fix the manipulation
                for i, trait in ipairs(activeDroneTraits) do
                    catalog.referenceDronesBySpecies[bee.individual.active.species].individual.active[trait] = bee.individual.active[trait]
                    catalog.referenceDronesBySpecies[bee.individual.active.species].individual.inactive[trait] = bee.individual.inactive[trait]
                end
                for i, trait in ipairs(inactiveDroneTraits) do
                    catalog.referenceDronesBySpecies[bee.individual.inactive.species].individual.active[trait] = bee.individual.active[trait]
                    catalog.referenceDronesBySpecies[bee.individual.inactive.species].individual.inactive[trait] = bee.individual.inactive[trait]
                end
            else
                -- keep 1 extra drone around if purebreed
                -- this speeds up breeding by not ditching drones you just breed from reference bees
                -- when the reference bee drone output is still mutating
                local ditchDrone = nil
                if bee.individual.active.species == bee.individual.inactive.species then
                    if extraDronesBySpecies[bee.individual.active.species] == nil then
                        extraDronesBySpecies[bee.individual.active.species] = bee
                        bee = nil
                    elseif compareBees(bee, extraDronesBySpecies[bee.individual.active.species]) then
                        ditchDrone = extraDronesBySpecies[bee.individual.active.species]
                        extraDronesBySpecies[bee.individual.active.species] = bee
                        bee = ditchDrone
                    end
                end
                -- ditch drone
                --if bee ~= nil then
                    --if inv.pushItem(config.chestDir, bee.slot) == 0 then
                        --error("ditch chest is full")
                    --end
                --end
                if bee ~= nil then
                    setInterfaceBee(inv, bee, 1)
                    repeat
                        os.sleep(1)
                        inv.transposer.transferItem(sides.west, sides.north, 64)
                    until inv.transposer.getSlotStackSize(sides.west, 1) == 0
                    inv.interface.setInterfaceConfiguration()
                end
            end
        end
    end
    -- phase 3 -- catalog bees
    bees = getAllBees(inv)
    for i, bee in pairs(bees) do
        fixBee(bee)
        bee.hash = getBeeHash(inv, bee)
        if not referenceHashes[bee.hash] then
            if bee.name == "forestry:bee_drone_ge" then -- drones
                table.insert(catalog.drones, bee)
                addBySpecies(catalog.dronesBySpecies, bee)
            elseif bee.name == "forestry:bee_princess_ge" then -- princess
                table.insert(catalog.princesses, bee)
                addBySpecies(catalog.princessesBySpecies, bee)
            elseif bee.name == "forestry:bee_queen_ge" then -- queens
                table.insert(catalog.queens, bee)
            end
        else
            if bee.name == "forestry:bee_drone_ge" and bee.size > 1 then
                table.insert(catalog.drones, bee)
                addBySpecies(catalog.dronesBySpecies, bee)
            end
        end
    end
    logLine(string.format("found %d queens, %d princesses, %d drones",
    #catalog.queens, #catalog.princesses, #catalog.drones))
    return catalog
end

-- interaction functions --------------

--function clearApiary(inv, apiary)
    --local bees = getAllBees(apiary)
    ---- wait for queen to die
    --if (bees[1] ~= nil and bees[1].raw_name == "item.for.beequeenge")
        --or (bees[1] ~= nil and bees[2] ~= nil) then
        --log("waiting for apiary")
        --while true do
            --sleep(5)
            --bees = getAllBees(apiary)
            --if bees[1] == nil then
                --break
            --end
            --log(".")
        --end
    --end
    --logLine()
    --for slot = 3, 9 do
        --local bee = bees[slot]
        --if bee ~= nil then
            --if bee.raw_name == "item.for.beedronege" or bee.raw_name == "item.for.beeprincessge" then
                --apiary.pushItem(config.chestDir, slot, 64)
            --else
                --apiary.pushItem(config.productDir, slot, 64)
            --end
        --end
    --end
--end

--function clearAnalyzer(inv)
    --if not useAnalyzer then
        --return
    --end
    --local bees = getAllBees(inv)
    --if #bees == inv.size then
        --error("chest is full")
    --end
    --for analyzerSlot = 9, 12 do
        --if inv.pullItem(config.analyzerDir, analyzerSlot) == 0 then
            --break
        --end
    --end
--end

--function analyzeBee(inv, slot)
    --clearAnalyzer(inv)
    --log("analyzing bee ")
    --log(slot)
    --log("...")
    --local freeSlot
    --if inv.pushItem(config.analyzerDir, slot, 64, 3) > 0 then
        --while true do
            ---- constantly check in case of inventory manipulation by player
            --local bees = getAllBees(inv)
            --freeSlot = nil
            --for i = 1, inv.size do
                --if bees[i] == nil then
                    --freeSlot = i
                    --break
                --end
            --end
            --if inv.pullItem(config.analyzerDir, 9) > 0 then
                --break
            --end
            --sleep(1)
        --end
    --else
        --logLine("Missing Analyzer")
        --useAnalyzer = false
        --return nil
    --end
    --local bee = getBeeInSlot(inv, freeSlot)
    --if bee ~= nil then
        --printBee(fixBee(bee))
    --end
    --return freeSlot
--end

function breedBees(inv, apiary, princess, drone)
    setInterfaceBee(inv, princess, 1)
    setInterfaceBee(inv, drone, 2)
    os.sleep(1)
    inv.transposer.transferItem(sides.west, sides.south, 1, 1)
    inv.transposer.transferItem(sides.west, sides.south, 1, 2)
    inv.interface.setInterfaceConfiguration()
    log("Press [Enter] when bees are done breeding")
    io.read("*l")
    --clearApiary(inv, apiary)
    --apiary.pullItem(config.chestDir, princess.slot, 1, 1)
    --apiary.pullItem(config.chestDir, drone.slot, 1, 2)
    --clearApiary(inv, apiary)
end

function breedQueen(inv, apiary, queen)
    log("breeding queen")
    setInterfaceBee(inv, queen, 1)
    os.sleep(1)
    inv.transposer.transferItem(sides.west, sides.south, 1, 1)
    inv.interface.setInterfaceConfiguration()
    log("Press [Enter] when queen is done breeding")
    io.read("*l")
    --clearApiary(inv, apiary)
    --apiary.pullItem(config.chestDir, queen.slot, 1, 1)
    --clearApiary(inv, apiary)
end

-- selects best pair for target species
--   or initiates breeding of lower species
function selectPair(mutations, scorers, catalog, targetSpecies)
    logLine("targetting "..targetSpecies)
    local baseChance = 0
    if #mutations.getBeeParents(targetSpecies) > 0 then
        local parents = mutations.getBeeParents(targetSpecies)[1]
        baseChance = parents.chance
        for _, s in ipairs(parents.specialConditions) do
            logLine("    ", s)
        end
    end
    local mateCombos = choose(catalog.princesses, catalog.drones)
    local mates = {}
    local haveReference = (catalog.referencePrincessesBySpecies[targetSpecies] ~= nil and
    catalog.referenceDronesBySpecies[targetSpecies] ~= nil)
    for i, v in ipairs(mateCombos) do
        local chance = mutateBeeChance(mutations, v[1], v[2], targetSpecies) or 0
        if (not haveReference and chance >= baseChance / 2) or
            (haveReference and chance > 25) then
            local newMates = {
                ["princess"] = v[1],
                ["drone"] = v[2],
                ["speciesChance"] = chance
            }
            for trait, scorer in pairs(scorers) do
                newMates[trait] = (scorer(v[1]) + scorer(v[2])) / 2
            end
            table.insert(mates, newMates)
        end
    end
    if #mates > 0 then
        table.sort(mates, compareMates)
        for i = math.min(#mates, 10), 1, -1 do
            local parents = mates[i]
            logLine(beeName(parents.princess), " ", beeName(parents.drone), " ", parents.speciesChance, " ", parents.fertility, " ",
            parents.flowering, " ", parents.nocturnal, " ", parents.tolerantFlyer, " ", parents.caveDwelling, " ",
            parents.lifespan, " ", parents.temperatureTolerance, " ", parents.humidityTolerance)
        end
        return mates[1]
    else
        -- check for reference bees and breed if drone count is 1
        if catalog.referencePrincessesBySpecies[targetSpecies] ~= nil and
            catalog.referenceDronesBySpecies[targetSpecies] ~= nil then
            logLine("Breeding extra drone from reference bees")
            return {
                ["princess"] = catalog.referencePrincessesBySpecies[targetSpecies],
                ["drone"] = catalog.referenceDronesBySpecies[targetSpecies]
            }
        end
        -- attempt lower tier bee
        local parentss = mutations.getBeeParents(targetSpecies)
        if #parentss > 0 then
            logLine("lower tier")
            --print(textutils.serialize(catalog.referencePrincessesBySpecies))
            table.sort(parentss, function(a, b) return a.chance > b.chance end)
            local trySpecies = {}
            for i, parents in ipairs(parentss) do
                fixParents(parents)
                if (catalog.referencePairBySpecies[parents.allele2] == nil        -- no reference bee pair
                    or catalog.referenceDronesBySpecies[parents.allele2].size <= 1 -- no extra reference drone
                    or catalog.princessesBySpecies[parents.allele2] == nil)       -- no converted princess
                    and trySpecies[parents.allele2] == nil then
                    table.insert(trySpecies, parents.allele2)
                    trySpecies[parents.allele2] = true
                end
                if (catalog.referencePairBySpecies[parents.allele1] == nil
                    or catalog.referenceDronesBySpecies[parents.allele1].size <= 1
                    or catalog.princessesBySpecies[parents.allele1] == nil)
                    and trySpecies[parents.allele1] == nil then
                    table.insert(trySpecies, parents.allele1)
                    trySpecies[parents.allele1] = true
                end
            end
            for _, species in ipairs(trySpecies) do
                local mates = selectPair(mutations, scorers, catalog, species)
                if mates ~= nil then
                    return mates
                end
            end
        end
        return nil
    end
end

function isPureBred(bee1, bee2, targetSpecies)
    if bee1.individual.isAnalyzed and bee2.individual.isAnalyzed then
        if bee1.individual.active.species == bee1.individual.inactive.species and
            bee2.individual.active.species == bee2.individual.inactive.species and
            bee1.individual.active.species == bee2.individual.active.species and
            (targetSpecies == nil or bee1.individual.active.species == targetSpecies) then
            return true
        end
    elseif bee1.individual.isAnalyzed == false and bee2.individual.isAnalyzed == false then
        if bee1.individual.displayName == bee2.individual.displayName then
            return true
        end
    end
    return false
end

function breedTargetSpecies(mutations, inv, apiary, scorers, targetSpecies)
    local catalog = catalogBees(inv, scorers)
    while true do
        if #catalog.princesses == 0 then
            log("Please add more princesses and press [Enter]")
            io.read("*l")
            catalog = catalogBees(inv, scorers)
        elseif #catalog.drones == 0 and next(catalog.referenceDronesBySpecies) == nil then
            log("Please add more drones and press [Enter]")
            io.read("*l")
            catalog = catalogBees(inv, scorers)
        else
            local mates = selectPair(mutations, scorers, catalog, targetSpecies)
            if mates ~= nil then
                if isPureBred(mates.princess, mates.drone, targetSpecies) then
                    break
                else
                    breedBees(inv, apiary, mates.princess, mates.drone)
                    catalog = catalogBees(inv, scorers)
                end
            else
                log(string.format("Please add more bee species for %s and press [Enter]"), targetSpecies)
                io.read("*l")
                catalog = catalogBees(inv, scorers)
            end
        end
    end
    logLine("Bees are purebred")
end

function breedAllSpecies(mutations, inv, apiary, scorers, speciesList)
    if #speciesList == 0 then
        log("Please add more bee species and press [Enter]")
        io.read("*l")
    else
        for i, targetSpecies in ipairs(speciesList) do
            breedTargetSpecies(mutations, inv, apiary, scorers, targetSpecies)
        end
    end
end

function main(tArgs)
    logLine(string.format("openbee version %d.%d.%d", version.major, version.minor, version.patch))
    local targetSpecies = setPriorities(tArgs)
    log("priority:")
    for _, priority in ipairs(traitPriority) do
        log(" "..priority)
    end
    logLine("")
    local inv, apiary = getComponents()
    --inv.size = inv.getInventorySize()
    local mutations, beeNames = buildMutationGraph(apiary)
    local scorers = buildScoring()
    --clearApiary(inv, apiary)
    --clearAnalyzer(inv)
    local catalog = catalogBees(inv, scorers)
    while #catalog.queens > 0 do
        breedQueen(inv, apiary, catalog.queens[1])
        catalog = catalogBees(inv, scorers)
    end
    if targetSpecies ~= nil then
        targetSpecies = tArgs[1]:sub(1,1):upper()..tArgs[1]:sub(2):lower()
        if beeNames[targetSpecies] == true then
            breedTargetSpecies(mutations, inv, apiary, scorers, targetSpecies)
        else
            logLine(string.format("Species '%s' not found.", targetSpecies))
        end
    else
        while true do
            breedAllSpecies(mutations, inv, apiary, scorers, buildTargetSpeciesList(catalog, apiary))
            catalog = catalogBees(inv, scorers)
        end
    end
end

local logFileName = setupLog()
local status, err = pcall(main, {...})
if not status then
    logLine(err)
end
print("Log file is "..logFileName)