require 'grid'
require 'point'
require 'line'
require 'mouse'
require 'levelhandler'
require 'button'
require 'menu'

Input = require 'input'


function love.load()
    love.window.setMode( 800, 480 )

    InMenu = true

    love.graphics.setLineStyle( Config.lineStyle )
end

function love.update( dt )
    InMenu = Menu.current_state ~= MenuStateIndex.hidden
    Mouse:update()
    Input:update()

    local exit = Input:actionReleased( 'exit' )

    if InMenu then
        Menu:update( dt, Point:new( Mouse.x, Mouse.y ), Mouse.pressed )
    else
        if Input:actionReleased( 'nextlevel' ) then
            if GameGrid:isCompleted() then
                GameGrid = LevelHandler:next()
                Menu.updateCellSize()
            end
        end
    end
    -- Switch menu state or exit
    if exit then
        if not InMenu then
            Menu.current_state = MenuStateIndex.pause
        elseif Menu.current_state == MenuStateIndex.start then
            love.event.quit()
        elseif Menu.current_state == MenuStateIndex.pause then
            Menu.current_state = MenuStateIndex.hidden
        elseif Menu.current_state == MenuStateIndex.levels then
            Menu.current_state = MenuStateIndex.start
        end
    end
end

function love.draw()
    if InMenu then
        love.graphics.setLineWidth( Config.menuLineWidth )
        Menu:draw()
    else
        love.graphics.setLineWidth( Config.cellSize * Config.lineWidth )
        GameGrid:draw()

        local text = string.format( "%d:%d global\n%d:%d local\n%d:%d from start", Mouse.x, Mouse.y, Mouse.point.x, Mouse.point.y, Mouse.startX - Mouse.x, Mouse.startY - Mouse.y )
        love.graphics.print( text, 64, 256 )

        if Mouse.dragged then
            love.graphics.print( "drag", 64, 300 )
        end
        if Mouse.lastLine ~= nil then
            love.graphics.print( tostring( Mouse.lastLine ), 128, 300 )
        end

        if GameGrid:isCompleted() then
            love.graphics.print( "Grid completed. Press space to proceed to next", 64, 320 )
        end
    end
end