local config = require "config"
local listframes = require "listframes"
local winhlp = require "winhlp"

local colony = peripheral.wrap(config.colony_interface_side)

local frame = term.current()

local function setTerm(termlike)
    frame = termlike
    listframes.setTerm(frame)
end

local function fetch(wait_for)
    local currentIdx = 1
    if colony.isInColony() then
        for i, wo in pairs(colony.getWorkOrders()) do
            local resources = colony.getWorkOrderResources(wo.id)
            local res_status = "?/?/0"
            if resources ~= nil then
                local unavailable_count = 0
                local deliver_count = 0
                for j, res in pairs(resources) do
                    if not res.available then
                        unavailable_count = unavailable_count + 1
                    end
                    if res.delivering then
                        deliver_count = deliver_count + 1
                    end
                end
                res_status = unavailable_count .. "/" .. deliver_count .. "/" .. #resources
            end
            listframes.updateItemAt(currentIdx, {id=wo.id, type=wo.workOrderType, target=wo.type, pos=wo.builder, res_status=res_status, claimed=wo.isClaimed})
            currentIdx = currentIdx + 1
            wait_for(config.step_sleep_time)
        end
    end
    listframes.clearFrom(currentIdx)
end

local function drawEntry(win, obj)
    local winX, winY = win.getPosition()
    local sizeX, sizeY = win.getSize()
    win.reposition(winX, winY, sizeX, 2)
    win.setBackgroundColor(colors.black)
    win.setTextColor(colors.lightGray)
    win.write(obj.id)
    win.write("  ")
    win.setTextColor(colors.yellow)
    if obj.pos then
        win.write(obj.pos.x .. "," .. obj.pos.y .. "," .. obj.pos.z)
        win.write(" ")
    end
    if obj.res_status then
        winhlp.alignRight(win, #obj.res_status + 4)
        win.write(" " .. obj.res_status)
    else
        winhlp.alignRight(win, 3)
    end
    win.write(" ")
    if obj.claimed then
        win.setTextColor(colors.green)
        win.write("C")
    else
        win.write(" ")
    end
    win.write(" ")
    win.setTextColor(colors.gray)
    win.setCursorPos(1, 2)
    if obj.target then
        winhlp.alignRight(win, #obj.target + 1)
        win.write(" " .. obj.target)
    end
    win.setTextColor(colors.white)
    win.setCursorPos(1, 2)
    if obj.type then
        win.write(obj.type)
    end
end
listframes.setDrawEntryFunc(drawEntry)

local function displayTab(self)
    listframes.updatePage(self.scrollPos)
end

local function onTouch(self, touch_x, touch_y)
    return false
end


return {
    name="orders",
    setTerm=setTerm,
    fetch=fetch,
    displayTab=displayTab,
    onTouch=onTouch,
}