--Alter the date which the updating region process finishes at.
--[====[

updatefinish
============
Run this while the game calendar is visible and move the end date selector around.

]====]
local gui = require 'gui'
local widgets = require 'gui.widgets'
local vw = df.global.gview.view.child
local yr
local mn
local dy


updater=defclass(updater,gui.Screen)
updater.focus_path = 'updatefinish'
function updater:init()
    if not df.viewscreen_update_regionst:is_instance(vw) then
        self:dismiss()
        qerror("This has to be used on the updating region screen!")
    end
    self:addviews{
        widgets.Label{
        view_id="mainLabel",
        frame = {xalign=0,yalign=0},
        text={
        {id="cmd", text=" Left/Right: Day, Up/Down: Week, Fast: Month/3 Months, Enter/Esc: To "},
        {id="yr", text=self:callback("getYear")},{text="/"}, {id="mn", text=self:callback("getMonth")},{text="/"}, {id="dy", text=self:callback("getDay")},{text=" "}}
                }
            }
end

function updater:getYear()
    if df.viewscreen_update_regionst:is_instance(vw) then
        yr = vw.year
    else
        yr = df.global.cur_year
    end
    return yr
end

function updater:getMonth()
    if df.viewscreen_update_regionst:is_instance(vw) then
        if vw.year_tick>=33600 then
            mn = math.floor(vw.year_tick/33600)+1
        else
            mn = 1
        end
    else
        mn = math.floor(df.global.cur_year_tick/33600)+1
    end
    return mn
end

function updater:getDay()
    if df.viewscreen_update_regionst:is_instance(vw) then
        local mf = (mn-1)*28
        local yf = math.floor(vw.year_tick/1200)
            if vw.year_tick>=1200 then
                dy = (yf-mf)+1
            else
                dy = 1
            end
    else
        mf = (math.floor(df.global.cur_year_tick/33600))*28
        yf = math.floor(df.global.cur_year_tick/1200)
            dy = (yf-mf)+1
    end
    return dy
end

function updater:onInput(keys)
    if df.viewscreen_update_regionst:is_instance(vw) then
        if keys.LEAVESCREEN or keys.SELECT then
             self:dismiss()
        end
        if keys.CURSOR_RIGHT then
            if vw.year_tick>=402000 then
                vw.year = vw.year+1
                vw.year_tick = 0
            else
                vw.year_tick = vw.year_tick+1200
            end
        elseif keys.CURSOR_RIGHT_FAST then
            if vw.year_tick>=369600 then
                vw.year = vw.year+1
                vw.year_tick = 0
            else
                vw.year_tick = vw.year_tick+33600
            end
        elseif keys.CURSOR_LEFT then
            if vw.year_tick<=1200 then
                vw.year = vw.year-1
                vw.year_tick = 402000
            else
                vw.year_tick = vw.year_tick-1200
            end
        elseif keys.CURSOR_LEFT_FAST then
            if vw.year_tick<=33600 then
                vw.year = vw.year-1
                vw.year_tick = 369600
            else
                vw.year_tick = vw.year_tick-33600
            end
        elseif keys.CURSOR_UP then
            if vw.year_tick<=8400 then
                vw.year = vw.year-1
                vw.year_tick = vw.year_tick+394800
            else
                vw.year_tick = vw.year_tick-8400
            end
        elseif keys.CURSOR_UP_FAST then
            if vw.year_tick<=100800 then
                vw.year = vw.year-1
                vw.year_tick = vw.year_tick+302400
            else
                vw.year_tick = vw.year_tick-100800
            end
        elseif keys.CURSOR_DOWN then
            if vw.year_tick>=394800 then
                vw.year = vw.year+1
                vw.year_tick = vw.year_tick-394800
            else
                vw.year_tick = vw.year_tick+8400
            end
        elseif keys.CURSOR_DOWN_FAST then
            if vw.year_tick>=302400 then
                vw.year = vw.year+1
                vw.year_tick = vw.year_tick-302400
            else
                vw.year_tick = vw.year_tick+100800
            end
        end
    end
    self.super.onInput(self,keys)
end

function updater:onRenderBody(dc)
    self._native.parent:render()
end

updater():show()