# player class
class_name Player
extends VBoxContainer


var area_exp := 0.0


func _ready() -> void:
    SignalBus.enemy_died.connect(_on_enemy_died)
    SignalBus.quest_completed.connect(_on_quest_completed)
    SignalBus.enemy_damaged_player.connect(_on_enemy_damaged_player)
    _set_player_display()
    $PlayerExpBar.value = _get_level_progress_percent()
    $PlayerLabel/PlayerLevel.text = str(floor(PlayerState.player_level))


func _on_enemy_died(enemyDifficulty, enemyTier, _enemyFaction) -> void:
    var kill_exp = pow(pow(enemyTier + 1, 3), enemyDifficulty)
    area_exp += kill_exp
    # Globals.debug_print("T: " + str(enemyTier) + " D: " + str(enemyDifficulty))
    # Globals.debug_print("K: " + str(kill_exp))
    # Globals.debug_print("A: " + str(area_exp))
    # TODO: maybe show earned exp on bar, separate from current
    # use xp to next level and current level, subtract, figure out percentage per point exp, add to display?


func _get_player_current_health() -> void:
    var playerCurrHeath = PlayerState.player_currenthealth
    $PlayerHealthBar/PlayerHealthCurrent.text = str(playerCurrHeath)
    $PlayerHealthBar.value = playerCurrHeath
    if playerCurrHeath <= 0:
        %PlayerInfo/PlayerHealthBar.value = 0
        Engine.time_scale = 0.0001
    

func _set_player_display() -> void:
    var playerMaxHeath = PlayerState.player_maxhealth
    var playerCurrHeath = PlayerState.player_currenthealth
    $PlayerHealthBar/PlayerHealthMax.text = str(playerMaxHeath)
    $PlayerHealthBar/PlayerHealthCurrent.text = str(playerCurrHeath)
    $PlayerHealthBar.value = playerCurrHeath
    
    
func _on_enemy_damaged_player() -> void:
    _get_player_current_health()


func _calculate_player_level() -> float:
    var current_exp = PlayerState.player_exp
    return log((0.2 * current_exp + 5) / 5.0) + 1


func _get_level_progress_percent() -> float:
    var current_level = _calculate_player_level()
    return fmod(current_level, 1) * 100.0
       

func _on_quest_completed() -> void:
    PlayerState.player_exp += area_exp
    PlayerState.player_level = _calculate_player_level()
    $PlayerExpBar.value = _get_level_progress_percent()
    $PlayerLabel/PlayerLevel.text = str(floor(PlayerState.player_level))
    # if Globals.debug:
    #     print("FA: ", area_exp)
    #     print("L: ", PlayerState.player_level)
    #     print("XP: ", PlayerState.player_exp)
    #     print("CL: ", _calculate_player_level())
    #     print("LP: ", _get_level_progress_percent())