extends Node

signal achievement_unlocked(ach: Dictionary)

const ACHIEVEMENTS: Array = [
	{"id": "first_break", "name": "Premier éclat", "desc": "Casser ton premier bloc", "xp": 10, "icon": "⛏"},
	{"id": "ten_breaks", "name": "Mineur apprenti", "desc": "Casser 10 blocs", "xp": 20, "icon": "⛏"},
	{"id": "hundred_breaks", "name": "Mineur confirmé", "desc": "Casser 100 blocs", "xp": 80, "icon": "⛏"},
	{"id": "first_pearl", "name": "Lueur nacrée", "desc": "Collecter ta première perle", "xp": 20, "icon": "◉"},
	{"id": "ten_pearls", "name": "Chasseur de perles", "desc": "Collecter 10 perles", "xp": 120, "icon": "◉"},
	{"id": "first_craft", "name": "Artisan", "desc": "Crafter ton premier objet", "xp": 15, "icon": "✦"},
	{"id": "first_wreck", "name": "Fouilleur d'épaves", "desc": "Piller une épave", "xp": 30, "icon": "⚓"},
	{"id": "depth_50", "name": "Plongée profonde", "desc": "Atteindre -50 m", "xp": 60, "icon": "▼"},
	{"id": "depth_100", "name": "Abysses", "desc": "Atteindre -100 m", "xp": 200, "icon": "▼"},
	{"id": "level_5", "name": "Dauphin aguerri", "desc": "Atteindre le niveau 5", "xp": 50, "icon": "★"},
	{"id": "level_10", "name": "Légende des océans", "desc": "Atteindre le niveau 10", "xp": 150, "icon": "★"},
	{"id": "echo_first", "name": "Sonar aiguisé", "desc": "Utiliser l'écholocation", "xp": 10, "icon": "))"},
]

var unlocked: Dictionary = {}  # id -> true

var _break_count: int = 0
var _pearl_count: int = 0


func _ready() -> void:
	var pp: Node = get_node_or_null("/root/PlayerProgress")
	if pp != null:
		pp.level_up.connect(_on_level_up)


func note_block_break(block_id: int) -> void:
	_break_count += 1
	if _break_count >= 1:
		_unlock("first_break")
	if _break_count >= 10:
		_unlock("ten_breaks")
	if _break_count >= 100:
		_unlock("hundred_breaks")
	if block_id == 7:
		_unlock("first_wreck")


func note_pearl_collected() -> void:
	_pearl_count += 1
	if _pearl_count >= 1:
		_unlock("first_pearl")
	if _pearl_count >= 10:
		_unlock("ten_pearls")


func note_craft() -> void:
	_unlock("first_craft")


func note_depth(depth_m: int) -> void:
	if depth_m >= 50:
		_unlock("depth_50")
	if depth_m >= 100:
		_unlock("depth_100")


func note_echolocation() -> void:
	_unlock("echo_first")


func _on_level_up(new_level: int) -> void:
	if new_level >= 5:
		_unlock("level_5")
	if new_level >= 10:
		_unlock("level_10")


func _unlock(id: String) -> void:
	if unlocked.has(id):
		return
	var ach: Dictionary = _find(id)
	if ach.is_empty():
		return
	unlocked[id] = true
	achievement_unlocked.emit(ach)
	var pp: Node = get_node_or_null("/root/PlayerProgress")
	if pp != null:
		pp.award(ach["xp"], "succès: %s" % ach["name"], Vector3.ZERO)


func _find(id: String) -> Dictionary:
	for a: Dictionary in ACHIEVEMENTS:
		if a["id"] == id:
			return a
	return {}