---@diagnostic disable: lowercase-global
-- Getting fuel level
local fuelLevel = turtle.getFuelLevel()

-- Getting GPS coordinates
local x1, y1, z1 = gps.locate()

-- Asking user for length and width
print("How far do you want the turtle to go in front")
local length = io.read()

print("How far do you want the turtle to go to the side")
local width = io.read()

-- Asking for direction
print("Would you like the turtle to go left (after it moves one forward) ONLY TYPE 'True' OR 'False'")
local direction = io.read()

-- Getting fuel needed
local fuelNeeded = (length*width) + 1 + (1/2*length) + (1/2*width)

-- Making function to get the slot index of the seed
local function getSeedIndex()
    for slot = 1, 16, 1 do
        local item = turtle.getItemDetail(slot)
        if (item ~= nil) then
            if (string.match(item.name, "seed")) then
                return slot
            end
        end
    end
end

-- Making function to take crops
local function getCrop()
    local isBlock, data = turtle.inspectDown()
    if(isBlock)then
        if (string.match(data.name, "croptopia:") and data['state']['age'] == 7) then
            turtle.digDown()
            for i = 6, 1, -1
            do
                turtle.suckDown()
                seedIndex = getSeedIndex()
                if(seedIndex ~= nil) then
                    turtle.select(seedIndex)
                    turtle.placeDown()
                end
            end
        end
    else
        seedIndex = getSeedIndex()
        if(seedIndex ~= nil) then
            turtle.select(seedIndex)
            turtle.placeDown()
        end
    end
end

if(fuelLevel > fuelNeeded) then
    for a = length, 1, -1
    do
        direction = not(direction)
        turtle.forward()
        getCrop()

        if(direction) then
            turtle.turnLeft()
        else
            turtle.turnRight()
        end

        for b = width-1, 1, -1
        do
            turtle.forward()
            getCrop()
        end

        if(direction) then
            turtle.turnRight()
        else
            turtle.turnLeft()
        end
    end

    -- Getting turtles NEW GPS coordinates
    local x2, y2, z2 = gps.locate()

    -- If the new x-coord is less than the first, then go West (vice versa)

    if x2 < x1 then
        goEast = true
        goWest = false
    elseif x2 > x1 then
        goWest = true
        goEast = false
    else
        goEast = false
        goWest = false
    end

    -- If the new y-coord is less than the first, then go Up (vice versa)

    if y2 < y1 then
        goUp = true
        goDown = false
    elseif y2 > y1 then
        goDown = true
        goUp = false
    else
        goDown = false
        goUp = false
    end

    -- If the new z-coord is less than the first, then go North (vice versa)

    if z2 < z1 then
        goSouth = true
        goNorth = false
    elseif z2 > z1 then
        goNorth = true
        goSouth = false
    else
        goSouth = false
        goNorth = false
    end

    -- Move forward ONCE

turtle.forward()

-- Refresh GPS location (for calibrating direction of turtle)

local x3, y3, z3 = gps.locate()

-- If the turtle's x-coordinate gets bigger, it is facing East (vice versa)

if x3 > x2 then
    faceEast = true
    faceWest = false
    faceNorth = false
    faceSouth = false
elseif x3 < x2 then
    faceWest = true
    faceEast = false
    faceNorth = false
    faceSouth = false
end

-- If the turtle's z-coordinate gets bigger, it is facing South (vice versa)

if z3 > z2 then
    faceSouth = true
    faceNorth = false
    faceEast = false
    faceWest = false
elseif z3 < z2 then
    faceNorth = true
    faceSouth = false
    faceEast = false
    faceWest = false
end

-- Match z-coords to the beginning position
if ((faceNorth == true and goNorth == true) or (faceSouth == true and goSouth == true)) then
    for a = math.abs(z3 - z1), 1, -1
    do
        turtle.forward()
    end
end
if ((faceNorth == true and goSouth == true) or (faceSouth == true and goNorth == true)) then
    turtle.turnRight()
    turtle.turnRight()

    for b = math.abs(z3 - z1), 1, -1
    do
        turtle.forward()
    end
end

-- Match x-coords to the beginning position
if ((faceEast == true and goEast == true) or (faceWest == true and goWest == true)) then
    for c = math.abs(x3 - x1), 1, -1
    do
        turtle.forward()
    end
end
if ((faceEast == true and goWest == true) or (faceWest == true and goEast == true)) then
    turtle.turnRight()
    turtle.turnRight()

    for d = math.abs(x3 - x1), 1, -1
    do
        turtle.forward()
    end
end

-- Match y-coords to the beginning position
if (goUp == true) then
    for e = math.abs(y3 - y1), 1, -1
    do
        turtle.Up()
    end
end
if (goDown == true) then
    for f = math.abs(y3 - y1), 1, -1
    do
        turtle.Down()
    end
end

-- Drops ALL the items gained from farming ( seeds and crops ) into chest below starting point
for a = 1, 16, 1
do
    turtle.select(a)
    turtle.dropDown(64)
end

end