require 'config'
require 'button'
require 'menu.state'

-- Menu handler
---@class Menu
---@field states MenuState[]
---@field current_state MenuStateIndex
Menu = {
    states = {
        -- Main menu
        [MenuStateIndex.start] = require 'menu.start',
        -- Pause menu
        [MenuStateIndex.pause] = require 'menu.pause',
        -- Level selector
        [MenuStateIndex.levels] = require 'menu.levels',
        -- Level completed menu
        [MenuStateIndex.completed] = require 'menu.completed',
        -- Empty state 
        [MenuStateIndex.hidden] = MenuState:new()
    },
    current_state = MenuStateIndex.start
}

-- Draw current state
function Menu:draw()
    self.states[self.current_state]:draw()
end

-- Update current state
---@param dt number
---@param point Point
---@param pressed boolean
function Menu:update( dt, point, pressed )
    self.states[self.current_state]:update( dt, point, pressed )
end

function Menu.updateCellSize()
    local width, height = love.graphics.getDimensions()
    local gridX, gridY = GameGrid.size:coords();
    local isWidthBased = (width / height) / (gridX / gridY)
    Config.cellSize = math.floor(isWidthBased and height / gridY or width / gridX)
    love.graphics.setLineWidth( Config.cellSize * Config.lineWidth )
end