sf = require("structure")
local pf = require("pathfinding")
local im = require("inventorymanager")
local origin = vector.new(-15,235,120)
function build(x,y,z)
    store = {height = 0}
    grocerylist = {}
    for h = 1,8 do
        store[h] = {width = 0}
        for w = 1,8 do
            store[h][w] = {depth = 0}
            for d = 1,8 do
                bool, data = sf.blockat(x+w,z+d,y+h)
                if bool then
                    store[h][w][d] = data
                    store[h][w].depth = d
                    grocerylist[store[h][w][d]] =
                        (grocerylist[store[h][w][d]] or 0)+1
                end
            end
            if store[h][w].depth>0 then
                store[h].width = w
            end
        end
        if store[h].width>0 then
            store.height = h
        end
    end
    if store.height==0 then
        --print("cell at",x,y,z,"is done")
        removechunk(x,y,z)
        return true
        
    end
    flag = false
    for k,v in pairs(grocerylist) do
        if im.count(k) < v then
            print("not enough "..k.." need "..v.." of it")
            flag = true
        end
    end
    if turtle.getFuelLevel() < 2000 then
        print("too lazy for that")
        flag = true
    end
    if flag then
        pf.to(vector.new(pf.home.x,position.y+8,pf.home.z)) 
        pf.returnHome() 
        return false 
    end
    pf.to(origin + vector.new(x+1,y+8,z+1))
    for h = 1,8 do
        print(store[h].width)
        for w = 1,store[h].width do
            print(store[h][w].depth)
            for d = 1,store[h][w].depth do 
                if store[h][w][d] then
                    pf.to(origin+vector.new(x+w,y+h,z+d))
                    im.select(store[h][w][d])
                    turtle.placeDown()
                end
            end
        end    
    end
    removechunk(x,y,z)
    return true
end

function removechunk(x,y,z)
    
    --::success::
    local file = fs.open("tobuild","r")
    local rest = {}
    line = file.readLine()
    while line do
        table.insert(rest,line)
        line = file.readLine()
    end
    file.close()
    file = fs.open("tobuild","w")
    str = tostring(vector.new(x,y,z))
    for _,v in ipairs(rest) do
        if v ~= str then
            file.writeLine(v)
        end
    end
    file.close()
end
function stringtovec(str)
    parts = {}
    for part in string.gmatch(str, "([^,]+)") do
        table.insert(parts, part)
    end
    return vector.new(unpack(parts))
end 
--pf.to(origin)
file=fs.open("tobuild","r")
chunk = file.readLine()
file.close()
print(chunk)
vec = stringtovec(chunk)
X1,Y1,Z1 = vec.x,vec.y,vec.z
print(X1,Y1,Z1)
while build(X1,Y1,Z1) do
--    term.clear()
    print(X1,Y1,Z1)
    file = fs.open("tobuild","r")
    chunk = file.readLine()
    vec = stringtovec(chunk)
    X1,Y1,Z1 = vec.x,vec.y,vec.z
    file.close()
    --term.clear()
    sleep(0)
end
pf.returnHome()