MineColonies - Builder Requirements lister

-- Copyright 2023 © Roberto "ResaloliPT" Pires
local builders = {}

function getBuilders()
    local buildings = colony.getBuildings()


    local count = 1
    for i,v in ipairs(buildings) do
        if v.type == 'builder' then
            builders[count] = v
            count = count + 1
        end
    end
end

function drawSelection()
    local selectedNum = nil;
    local selected = false
    term.clear()
    term.setCursorPos(1,1)

    print("Select a builder:")
    for i,v in pairs(builders) do
        print(i .. ": " .. v.name)
    end

    while selected == false do
        term.write(">")
        selectedNum = read()
        if builders[tonumber(selectedNum)] == nil then
            print("Try Again:")
        else
            selected = true
        end
    end

    drawBuilderRequests(builders[tonumber(selectedNum)])
end

function drawBuilderRequests(builder)
    term.clear()
    term.setCursorPos(1,1)

    local filteredResources = {}
    local builderResources = colony.getBuilderResources(builder.location)
    for i,v in ipairs(builderResources) do
        if (v.status == "DONT_HAVE" or v.status == "NEED_MORE") and
            ((v.item.maxCount - (v.delivering)) > 0) then
            --table.insert(filteredResources, v)
        end

        textutils.pagedPrint(textutils.serialise(v))
    end


    print("'" .. builder.name .. "' Requires:")
    local finalText = {}

    for i,v in ipairs(filteredResources) do
        local remainingCount = (v.item.maxCount - (v.delivering))

        table.insert(finalText, remainingCount .. " of " .. v.item.displayName)
    end

    textutils.pagedTabulate(finalText)

    os.pullEvent("key")
end


-- Program Exec
getBuilders()
while true do
    drawSelection()
    sleep(1)
end