let menu_start_game_button = document.getElementById("StartGameButton")
let menu_language = document.getElementById("MenuLanguage")
let menu_start_time = document.getElementById("MenuStartTime")
let menu_start_move_left = document.getElementById("MenuStartMoveLeft")
let menu_block_time = document.getElementById("MenuBlockTime")
let menu_max_increment = document.getElementById("MenuMaxIncrement")
let menu_last_block = document.getElementById("MenuLastBlock")

function clamp_number(value, fallback = 0) {
    const parsed = Number(value)
    if (Number.isNaN(parsed) || parsed < 0) return fallback
    return parsed
}

function ms_to_minutes(ms) {
    return Math.max(0, Math.round(ms / 60000))
}

function seconds_to_ms(seconds) {
    return clamp_number(seconds) * 1000
}

function minutes_to_ms(minutes) {
    return clamp_number(minutes) * 60000
}

function sync_menu_with_config() {
    menu_start_time.value = ms_to_minutes(config.StartTimeWhite)
    menu_start_move_left.value = clamp_number(config.StartMoveLeft)
    menu_block_time.value = ms_to_minutes(config.BlockTime)
    menu_max_increment.value = Math.round(clamp_number(config.MaxIncrement) / 1000)
    menu_last_block.value = String(config.last_block)
}

function apply_menu_settings_to_config() {
    config.StartTimeWhite = minutes_to_ms(menu_start_time.value)
    config.StartTimeBlack = minutes_to_ms(menu_start_time.value)
    config.StartMoveLeft = clamp_number(menu_start_move_left.value)
    config.BlockTime = minutes_to_ms(menu_block_time.value)
    config.MaxIncrement = seconds_to_ms(menu_max_increment.value)
    config.last_block = menu_last_block.value === "true"
}

function on_menu_start_game_press() {
    apply_menu_settings_to_config()
    hide_scene("Menu")
    load_Clock_scene()
}

menu_start_game_button.addEventListener("click", () => {
    on_menu_start_game_press()
})

menu_language.addEventListener("change", () => {
    apply_app_language(menu_language.value)
})

menu_language.value = localStorage.getItem("menu_language") || "fr"
apply_app_language(menu_language.value)