--[[
Forestry Turtle 1.0
By: Sayomie555
--]]
local tree = 0
local wood = 0
local height = 0

function data() -- Function to print the logging stats
    local sapling = turtle.getItemCount(1) -- Gets the count of saplings in the Turtles inventory (Item slot 1)
    local lumber = turtle.getItemCount(2) + turtle.getItemCount(3) + turtle.getItemCount(4) + turtle.getItemCount(5) + turtle.getItemCount(6) + turtle.getItemCount(7) + turtle.getItemCount(8) + turtle.getItemCount(9) -- Counts the ammount of lumber in the turtles inventory (Slots 2-9)
    term.clear() -- Clears the screen
    term.setCursorPos(1,1) --Sets the cursor position to the start
    print("-------Logging Session Stats-------")
    print("------------------------------------")
    print("Number Of Trees Choped: "..tree)
    print("Ammount Of Wood Harvested: "..wood)
    print("")
    print("Number Of saplings In Stock: "..sapling)
    print("Ammount of Lumber In Stock: "..lumber)
    print("------------------------------------")
end

function treelocated() -- Function to print that a tree has been found
    tree = tree + 1 -- Adds one to the tree counter
    data() -- Prints the logging stats
    print("Tree Detected Starting Logging")
    sleep(0.2)
end

function choplant() -- function to chop down a tree and then replant it
    data()
    print("Logging")
    turtle.dig() -- Chops the base of the tree
    turtle.forward() -- Moves the turtle under the tree
    wood = wood + 1 -- Counter for the ammount of wood harvested

    while turtle.detectUp() do -- Mines upward so long as there is a block above the turtle
        turtle.digUp()
        turtle.up()
        height = height + 1 -- Adds one to the height counter so the turtle knows how far to go back down
        data()
        print("Logging")
        wood = wood + 1
    end
    wood = wood - 1

    data()
    print("Returning to Ground")
    if not turtle.detectUp() and not turtle.detectDown() then -- Moves the turtle back down
        while height ~= 0 do
            turtle.digDown() -- Mines under the turtle incase a tree grew around the turtle (Has happened to me -_-)
            turtle.down()
            height = height - 1
        end
    end

    data()
    print("Backing Up")
    sleep(0.2)
    turtle.back() -- Moves the turtle back


    data()
    print("Replanting Sapling")
    sleep(0.2)
    turtle.select(1) -- The turtle selects the first slot in its inventory (The sapling)
    turtle.place(1) -- Places the item from the first slot in its inventory

    data()
    print("Patroling For Trees")
end

function treeleft() -- Function to detect if there is a tree to the left of the turtle
    if redstone.getInput("left",true) then -- Checks to see if there is a positive redstone input to the left of the turtle (This is to check if there is a tree vs a sapling)
        treelocated() -- Runs the treelocated function
        turtle.turnLeft() -- Turns the turtle left to face the tree
        choplant() -- Runs the Choplant Function
        turtle.turnRight() -- Turns the turtle to the right
    end
end

function treeright() -- Same as treeleft but check for trees on the right
    if redstone.getInput("right",true) then
        treelocated()
        turtle.turnRight()
        choplant()
        turtle.turnLeft()
    end
end

function treefront() -- Same as tree left but checks for trees infront
    if redstone.getInput("front",true) then
        treelocated()
        choplant()
    end
end

function stock() -- Function to drop off the inventory of the turtle and stock up saplings
    if not turtle.detectDown() then -- Checks to see if there is a block under the turtle (If not then the turtle will start the stocking procedure)
        local slot = 1 -- Resets the Lumber drop off slot number

        while slot ~= 10 do -- Cycles through and checks slots 2-9 (The lumber slots)
            data()
            print("Dropping off Lumber")
            while turtle.getItemSpace(slot) ~= 64 do -- Checks the current slot
                redstone.setOutput("back",true) -- Sends a redstone pulse to the retriever to collect the lumber in the turtle
                sleep(0.2)
                redstone.setOutput("back",false) -- Ends the redstone pulse
                sleep(0.2)
            end

            slot = slot + 1 -- Counter for the inventory slots
        end

        while turtle.getItemSpace(1) ~= 0 do -- Checks to see if the turtle needs more saplings
            data()
            print("Stocking Up On Saplings")
            redstone.setOutput("left",true) -- Sends a pulse to the retriever to send the turtle a sapling
            sleep(0.2)
            redstone.setOutput("left",false) -- Ends the redstone pulse
            sleep(0.2)
        end

    end
end

textutils.slowPrint("Forestry Turtle V1.0")
textutils.slowPrint("By Sayomie555")
sleep(2)

while true do -- Creates a loop to keep the turtle running (Will be replaced later to allow for a on off switch)

    if not turtle.detect() then -- Checks to see if there is a block infront of the turtle and moves the turtle forward if there is not
        turtle.forward()
    end

    treeleft() -- Runs the treeleft function
    treeright() -- Runs the treeright function
    treefront() -- Runs the treefront function

    if turtle.detect() then -- Checks to see if there is a block infront of the turtle and if there is turns the turtle left
        turtle.turnRight()
    end

    treeleft()
    treeright()
    treefront()
    stock()
end