local config = require "config"

local colony = peripheral.wrap(config.colony_interface_side)
local orders = {}
local frame = term.current()

local function setTerm(termlike)
    frame = termlike
end

local function fetch(wait_for)
    orders = {}
    local colony_orders = colony.getWorkOrders()
    if colony_orders ~= nil then
        for i, wo in pairs(colony_orders) 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
            table.insert(orders, {id=wo.id, type=wo.workOrderType, target=wo.type, pos=wo.builder, res_status=res_status, claimed=wo.isClaimed})
            wait_for(config.step_sleep_time)
        end
    end
end

local function displayTab(self)
    frame.clear()
    local tw,th = frame.getSize()
    for i, val in pairs(orders) do
        local line_num = (i-self.scrollPos)*2+1
        if line_num > 0 and line_num < th-1 then
            frame.setTextColor(colors.lightGray)
            frame.setCursorPos(1,line_num)
            frame.write(val.id)
            frame.write("  ")
            if val.pos then
                frame.write(val.pos.x .. "," .. val.pos.y .. "," .. val.pos.z)
                frame.write(" ")
            end
            frame.setCursorPos(2,line_num+1)
            frame.setTextColor(colors.white)
            if val.type then
                frame.write(val.type)
                frame.write(" ")
            end
            if val.target then
                frame.write(val.target)
                frame.write(" ")
            end
            if val.res_status then
                frame.setCursorPos(tw-2-#val.res_status, line_num)
                frame.write(val.res_status)
            else
                frame.setCursorPos(tw-2, line_num)
            end
            frame.write(" ")
            if val.claimed then
                frame.setTextColor(colors.yellow)
                frame.write("C")
                frame.setTextColor(colors.white)
            else
                frame.write(" ")
            end
            frame.write(" ")
        end
    end
end

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


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