extends Node

### SISETMARE SU RAILS IL FATTORE DI CONVERSIONE DA UNITA' A KM!!!
### ORA HO LASCIATO 1:1 PER TEST

#Achievements and stats must be published on Steam even if game is not yet released
#if you have an error setting achievements or stats in debug mode remember to open your steam client
#with jmp games account or another account who bought this game. If error persist try to clos and reopen steam client.
const KNOWN := [
	"stat_time_played",
	"stat_distance_km",
	"stat_stop_number",
	"stat_photo_number",
	"stat_toottoot_number",
]
const TIME_PLAYED_STAT: String = "stat_time_played"
const DISTANCE_KM_STAT: String = "stat_distance_km"
const STATS_STORE_INTERVAL_SECONDS: int = 60

var _pending_time_played_seconds: float = 0.0
var _pending_distance_km: float = 0.0
var _stats_store_timer: float = 0.0

#how it works:
#func _on_match_finished(score: int) -> void:
#    StatsManager.add_int("stat_time_played", 1)
#    StatsManager.set_int("stat_total_score", StatsManager.get_int("stat_total_score") + score)
#    StatsManager.store()                       #only one push at the end of the game
#    if StatsManager.get_int("stat_time_played") >= 10:
#        AchievementManager.unlock("ACH_PLAY_10_HOURS")   #it call storeStats()


func _ready() -> void:
	if not SteamManager.is_on_steam:
		set_process(false)
		return

	Steam.user_stats_stored.connect(_on_stats_stored)

func _process(delta: float) -> void:
	_pending_time_played_seconds += delta
	_stats_store_timer += delta
	if _stats_store_timer >= STATS_STORE_INTERVAL_SECONDS:
		_flush_periodic_stats(false)

func _exit_tree() -> void:
	_flush_periodic_stats(true)

func get_int(stat: String) -> int:
	if not SteamManager.is_on_steam:
		return 0
	return Steam.getStatInt(stat)

func get_float(stat: String) -> float:
	if not SteamManager.is_on_steam:
		return 0.0
	return Steam.getStatFloat(stat)

func set_int(stat: String, value: int) -> void:
	if not KNOWN.has(stat):
		push_warning("Stat not found: %s" % stat)
		return
	if not SteamManager.is_on_steam:
		return

	if not Steam.setStatInt(stat, value):
		push_error("setStatInt failed (incremental with value less than current value? is published on steam?): %s" % stat)
		
func set_float(stat: String, value: float) -> void:
	if not KNOWN.has(stat):
		push_warning("Stat not found: %s" % stat)
		return
	
	if not Steam.setStatFloat(stat, value):
		push_error("setStatFloat failed: %s" % stat)

func add_int(stat: String, amount: int = 1) -> void:
	if not SteamManager.is_on_steam:
		return
	set_int(stat, get_int(stat) + amount)

func add_distance_km(distance_km: float) -> void:
	if not SteamManager.is_on_steam:
		return
	if distance_km <= 0.0:
		return

	_pending_distance_km += distance_km

func update_avg_rate(stat: String, count_this_session: float, session_length: float) -> void:
	if not SteamManager.is_on_steam:
		return
	Steam.updateAvgRateStat(stat, count_this_session, session_length)

#Send all data to server; call it at the end of the game of when exit
func store() -> void:
	if not SteamManager.is_on_steam:
		return
	if not Steam.storeStats():
		push_error("storeStats failed; data saved locally")

#periodic stats incrementation; store data every 60 secs
func _flush_periodic_stats(force_store: bool) -> void:
	if not SteamManager.is_on_steam:
		_pending_time_played_seconds = 0.0
		_pending_distance_km = 0.0
		_stats_store_timer = 0.0
		return

	var has_changes: bool = false

	var whole_seconds: int = int(floor(_pending_time_played_seconds))
	if whole_seconds > 0:
		_pending_time_played_seconds -= float(whole_seconds)
		add_int(TIME_PLAYED_STAT, whole_seconds)
		has_changes = true

	var whole_km: int = int(floor(_pending_distance_km))
	if whole_km > 0:
		_pending_distance_km -= float(whole_km)
		add_int(DISTANCE_KM_STAT, whole_km)
		has_changes = true

	_stats_store_timer = 0.0
	if has_changes and (force_store or whole_seconds > 0 or whole_km > 0):
		store()

#Development only: reset stats
func reset_all(include_achievements: bool = false) -> void:
	if not SteamManager.is_on_steam:
		return
	if !Steam.resetAllStats(include_achievements):
		push_error("resetAllStats failed")

func _on_stats_stored(_game: int, result: int) -> void:
	if !result:
		print("stats not ready: (result %d)" % [result])