# quest class, impleeenting all quest functionality
# TODO: implement zone quests
class_name Quest
extends PanelContainer


@export var goalType := WorldArea.GoalType.KILL
@export var faction := Globals.World.Faction.CREATURE

@export var goalTotal := 1
var goalCurrent := 0

var questComplete := false

func _ready() -> void:
    SignalBus.enemy_died.connect(_on_enemy_died)
    #_generate_random_quest()
    _set_goal_text()
    _set_goal_val()


func _process(_delta: float) -> void:
    if questComplete:
        _quest_progress_hide()
        _quest_complete_show()


func _set_goal_text() -> void:
    var goalStr = WorldArea.GoalType.keys()[self.goalType].capitalize()
    var factionStr = Globals.World.Faction.keys()[self.faction].capitalize()
    # TODO: use better string formatting methods
    $QuestProgress/GoalTypeVal.text = goalStr + " " + factionStr + "s"


func _set_goal_val() -> void:
    $QuestProgress/GoalVal.text = str(self.goalTotal)


func _quest_goal_check(enemyKillType: Globals.World.Faction) -> void:
    if enemyKillType == self.faction:
        self.goalCurrent += 1
        $QuestProgress/CompletedVal.text = str(self.goalCurrent)
        if self.goalCurrent == self.goalTotal:
            SignalBus.quest_completed.emit()
            questComplete = true


func _quest_progress_hide() -> void:
    $QuestProgress.modulate.a -= 0.05
        
        
func _quest_complete_show() -> void:
    $QuestComplete.modulate.a += 0.05


func _generate_random_quest() -> void:
    # TODO: generate acutally random quest
    self.goalType = WorldArea.GoalType.KILL
    self.faction = Globals.World.Faction.CREATURE
    self.goalTotal = randi_range(20, 50)
    # match self.goalType:
    #     GoalTypes.KILLMANY:
    #         self.faction = KillTypes.NATURAL
    

func _on_enemy_died(
    _enemyDifficulty: NPC.NPCDifficulty,
    _enemyTier: NPC.NPCTier,
    enemyFaction: Globals.World.Faction,
):
    _quest_goal_check(enemyFaction)