-- oh no. this is gonna be hard
-- meant for a turtle with no pickaxe

local mv = require("movement")
local pathfind = require("pathfind")

local function moveTo(offset, x, y, z)
  if x and y and z then
    offset = offset + vector.new(x,y,z)
  end
  pathfind.followPath(offset, 40, pathfind.obstacle.stone)
end

local function placeDown(name, place, rotation)
  moveTo(place)
  mv.digDown()
  if rotation then mv.face(rotation.x, rotation.z) end
  mv.placeItem(name, turtle.placeDown)
end

local function placeDownTwice(name, place, rotation)
  placeDown(name, place + vector.new(1, 0, 0), rotation)
  placeDown(name, place + vector.new(0, 0, 0), rotation)
end

local function placeChestsFloor(offset)
  placeDownTwice("computercraft:cable", offset + vector.new(0, 0, 0))
  placeDownTwice("minecraft:chiseled_stone_bricks", offset + vector.new(0, 0, 2))
  placeDownTwice("computercraft:cable", offset + vector.new(0, 0, 4))
  placeDownTwice("minecraft:chiseled_stone_bricks", offset + vector.new(0, 0, 6))
  placeDownTwice("computercraft:cable", offset + vector.new(0, 0, 8))
end

local function placeChestsLayer(offset, left, right)
  if right then
    placeDownTwice("minecraft:chest", offset + vector.new(0, 0, -1), vector.new(0,0,1))
  end
  placeDown("computercraft:wired_modem_full", offset + vector.new(0, 0, 0))
  if left then
    placeDownTwice("minecraft:chest", offset + vector.new(0, 0, 1), vector.new(0,0,-1))
  end
end

local function placeChestsRoof(offset, left, right)
  if right then
    placeDownTwice("minecraft:oak_stairs", offset + vector.new(0, 0, -1), vector.new(0,0,-1))
  end
  placeDownTwice("minecraft:oak_planks", offset + vector.new(0, 0, 0))
  if left then
    placeDownTwice("minecraft:oak_stairs", offset + vector.new(0, 0, 1), vector.new(0,0,1))
  end
end

local function placeChestsColumn(offset, left, right, height)
  for i=1,height do
    placeChestsLayer(offset + vector.new(0,i-1,0), left, right)
  end
  placeChestsRoof(offset + vector.new(0,height,0), left, right)
end

local function placeChestsColumns(offset, height)
  placeChestsColumn(offset + vector.new(0,0,0),  true, false, height)
  placeChestsColumn(offset + vector.new(0,0,4),  true,  true, height)
  placeChestsColumn(offset + vector.new(0,0,8), false,  true, height)
end

local function placeChests(offset, height, depth)
  for i=1,depth do
    placeChestsFloor(offset + vector.new((i-1)*2, -1, 0))
    placeChestsColumns(offset + vector.new((i-1)*2, 0, 0), height)
  end
end

-- todo: it places chests in a way that doesn't work
-- it needs to place the chest block connected to the modem last

pathfind.cube(vector.new(0,0,-2), 4, 8, 9, pathfind.obstacle.stone)
placeChests(vector.new(1,1,-2), 4, 2)

moveTo(vector.new(0,0,0))
mv.face(1,0)