extends CanvasLayer
class_name GameGui

const SCORE_ICON : Texture = preload("res://common/icons/growth.svg")

var score_by_plant : Dictionary[String, int] = {}

var score_mirror :
    set(v):
        score_mirror = v
        score_update(true)

func _ready():
    GameInfo.game_data.current_region_data.updated.connect(_on_region_updated)
    GameInfo.game_data.player_data.updated.connect(_on_player_updated)
    GameInfo.game_data.current_region_data.pass_day_ended.connect(_on_region_pass_day_ended)

    
    %ObjectiveProgressBar.visible = not "tutorial" in GameInfo.game_data.current_region_data.flags
    %SimplePlantPointScore.visible = "tutorial" in GameInfo.game_data.current_region_data.flags

    charge_update(GameInfo.game_data.current_region_data)
    player_update(GameInfo.game_data.player_data, false)
    %EnergyInfo.reset_size()
    %GiveUpButton.pressed.connect(_on_give_up_pressed)

    score_mirror = GameInfo.game_data.current_region_data.get_score()
    for p : PlantData in GameInfo.game_data.current_region_data.plants:
        score_by_plant[str(p.random_seed)] = p.get_score()

func _on_player_updated(player_data : PlayerData):
    player_update(player_data)

func player_update(player_data : PlayerData, with_animation = true):
    %EnergyInfo.update(
        player_data.energy,
        player_data.max_energy,
        with_animation
    )

func _on_region_updated(region_data : RegionData):
    await get_tree().create_timer(0.1).timeout
    if score_mirror != region_data.get_score():
        for p in region_data.plants:
            var score = p.get_score()
            if not str(p.random_seed) in score_by_plant:
                score_by_plant[str(p.random_seed)] = 0
            if score > score_by_plant[str(p.random_seed)]:
                plant_changing_score(p, score - score_by_plant[str(p.random_seed)])
            elif score < score_by_plant[str(p.random_seed)]:
                score_mirror -= score_by_plant[str(p.random_seed)] - score
            score_by_plant[str(p.random_seed)] = score
        # Check for removed plants
        for key in score_by_plant:
            if region_data.plants.find_custom(
                func (p): return str(p.random_seed) == key
            ) == -1:
                score_mirror -= score_by_plant[key]
                score_by_plant.erase(key)

    charge_update(region_data)

func _on_give_up_pressed():
    GameInfo.game_data.give_up()
    SceneManager.change_to_scene_id('ASTRA')

func charge_update(region_data : RegionData):
    %RechargesLeftLabel.text = tr("%d_CHARGE_LEFT") % (region_data.charges)
    if region_data.charges == 0 and region_data.state != RegionData.State.SUCCEEDED:
        if not %GiveUpButton.visible:
            %NoRechargeAnimationPlayer.play("NoRechargeAppear")
    else :
        if %GiveUpButton.visible:
            %NoRechargeAnimationPlayer.play_backward("NoRechargeAppear")

func score_update(with_animation = true):
    var objective_progression : float
    if GameInfo.game_data.current_region_data.state == RegionData.State.SUCCEEDED:
        objective_progression = 1.
        %ObjectiveProgressBar.text = tr("FULL")
    else:
        var objective = GameInfo.game_data.current_region_data.objective
        objective_progression = (float(score_mirror) / max(float(objective), 1))
        %ObjectiveProgressBar.text = "%d/%d" % [score_mirror, objective]

    if with_animation:
        get_tree().create_tween().tween_property(
            %ObjectiveProgressBar, 
            "progress", 
            objective_progression,
            0.5,
        )
    else:
        %ObjectiveProgressBar.set_progress(objective_progression)
    
    if score_mirror > 1:
        %SimplePlantPointScoreLabel.text = tr("%d_PLANT_POINTS") % score_mirror
    else :
        %SimplePlantPointScoreLabel.text = tr("%d_PLANT_POINT") % score_mirror

func plant_changing_score(plant_data: PlantData, amount : int):
    if GameInfo.game_data.current_region_data.in_passing_day_animation:
        await GameInfo.game_data.current_region_data.pass_day_ended
    if amount <= 0:
        score_mirror += amount
    else :
        for i in range(amount):
            var camera = get_viewport().get_camera_2d()
            var screen_size = get_viewport().get_visible_rect().size

            spawn_score_particle(
                plant_data.position - camera.global_position + screen_size / 2,
                %ObjectiveProgressBar.global_position + %ObjectiveProgressBar.size / 2,
                0.8
            )

            await get_tree().create_timer(0.5 / max(1.,i)).timeout

func spawn_score_particle(
    from_position,
    to_position,
    duration
):
    var sprite_particle = Sprite2D.new()
    sprite_particle.texture = SCORE_ICON
    %ScoreParticles.add_child(sprite_particle)
    sprite_particle.position = from_position

    var tween = get_tree().create_tween()
    
    tween.set_trans(Tween.TransitionType.TRANS_SPRING)
    
    tween.tween_property(
        sprite_particle,
        "position",
        to_position,
        duration
    )


    await tween.finished
    score_mirror += 1
    AudioManager.play_sfx("PlantPoint")

    sprite_particle.queue_free()


func _on_player_action_tried_without_energy():
    $AnimationPlayer.play("no_energy_left")

func _on_player_upgraded():
    $EffectAnimation.play("upgrade")

func _on_region_pass_day_ended(region:Region):
    if region.data.charges == 1:
        %Announce.announce(
            tr("LAST_RECHARGE"),
            tr("%d_GARDEN_SCORE_LEFT") % [region.data.objective - region.garden.get_score()],
            Announce.RED_COLOR
        )