class_name WorkshopScreen
extends Control
## Werkstatt (nach Kapitel 5): eigene Karten aus Staub bauen. Links Elemente (beliebig viele),
## Angriff, Leben, Eigenschaften (beliebig viele) und der Name; rechts die Vorschau mit Kosten
## (Cards.cost_with), Wert und Preis (Profile.build_price). „Bauen“ legt die Karte als Common in
## Sammlung und Stapel.

var app
var elements: Array = []
var keywords: Array = []
var attack_slider: HSlider
var health_slider: HSlider
var attack_label: Label
var health_label: Label
var element_buttons := {}
var keyword_boxes := {}
var name_box: LineEdit
var info_label: Label
var msg_label: Label
var dust_label: Label
var preview_holder: Control
var built := 0  # für den Vorschlagsnamen


func _ready() -> void:
    Style.header(self, "Werkstatt", func(): app.show_screen(MenuScreen.new()))
    dust_label = Style.chip(self, "", Rect2(860, 26, 240, 38), Style.BLUE)
    Style.panel(self, Rect2(40, 86, 700, 696))
    Style.label(self, "Baue eigene Karten aus Staub: so viele Elemente und Eigenschaften du willst, jede kostet Mana.", 14, Style.MUTED, Rect2(60, 98, 660, 22), "left")
    Style.label(self, "Elemente", 16, Style.TEXT, Rect2(60, 134, 140, 30), "left", true)
    var all_elements: Array = Cards.ELEMENTS + [Cards.NEUTRAL]
    for i in all_elements.size():
        var e: String = all_elements[i]
        var b := DeckScreen.ElementButton.new(e)
        b.position = Vector2(200 + i * 48, 130)
        b.size = Vector2(40, 40)
        b.pressed.connect(toggle_element.bind(e))
        Style.juice(b)
        add_child(b)
        element_buttons[e] = b
    Style.label(self, "Angriff", 16, Style.TEXT, Rect2(60, 194, 140, 30), "left", true)
    attack_slider = _slider(Rect2(200, 198, 400, 24), 0, 10, 3)
    attack_label = Style.label(self, "", 18, Style.AMBER, Rect2(620, 192, 60, 30), "center", true)
    Style.label(self, "Leben", 16, Style.TEXT, Rect2(60, 244, 140, 30), "left", true)
    health_slider = _slider(Rect2(200, 248, 400, 24), 1, 10, 3)
    health_label = Style.label(self, "", 18, Style.LIFE, Rect2(620, 242, 60, 30), "center", true)
    Style.label(self, "Eigenschaften", 16, Style.TEXT, Rect2(60, 300, 200, 30), "left", true)
    for k in Cards.KEYWORDS.size():
        var kw: String = Cards.KEYWORDS[k]
        var cb := CheckButton.new()
        cb.text = tr(kw)
        cb.position = Vector2(200, 300 + k * 44)
        cb.size = Vector2(220, 36)
        cb.toggled.connect(func(on: bool): toggle_keyword(kw, on))
        add_child(cb)
        keyword_boxes[kw] = cb
        Style.label(self, tr(Cards.KEYWORD_TEXT[kw]), 13, Style.MUTED, Rect2(430, 306 + k * 44, 300, 24), "left")
    Style.label(self, "Name", 16, Style.TEXT, Rect2(60, 490, 140, 30), "left", true)
    name_box = LineEdit.new()
    name_box.position = Vector2(200, 486)
    name_box.size = Vector2(400, 36)
    name_box.max_length = 24
    name_box.text_changed.connect(func(_t: String): refresh())
    add_child(name_box)
    info_label = Style.label(self, "", 16, Style.GOLD, Rect2(60, 546, 660, 30), "left", true)
    Style.button(self, "Bauen", Rect2(60, 600, 300, 50), build, Style.PRIMARY)
    msg_label = Style.label(self, "", 15, Style.RED, Rect2(60, 666, 660, 48), "left")
    msg_label.autowrap_mode = TextServer.AUTOWRAP_WORD
    Style.panel(self, Rect2(760, 86, 480, 696))
    preview_holder = Control.new()
    preview_holder.mouse_filter = Control.MOUSE_FILTER_IGNORE
    add_child(preview_holder)
    _suggest_name()
    refresh()


func _slider(rect: Rect2, lo: int, hi: int, value: int) -> HSlider:
    var s := HSlider.new()
    s.position = rect.position
    s.size = rect.size
    s.min_value = lo
    s.max_value = hi
    s.step = 1
    s.value = value
    s.value_changed.connect(func(_v: float): refresh())
    add_child(s)
    return s


func _input(event: InputEvent) -> void:
    if event.is_action_pressed("ui_cancel") and not name_box.has_focus():
        app.show_screen(MenuScreen.new())


func _suggest_name() -> void:
    name_box.text = tr("Eigenbau %d") % (app.profile.customs.size() + 1)


## Ein Element an- oder abwählen.
func toggle_element(e: String) -> void:
    if e in elements:
        elements.erase(e)
    else:
        elements.append(e)
    say("")
    refresh()


func toggle_keyword(kw: String, on: bool) -> void:
    if on and not (kw in keywords):
        keywords.append(kw)
    elif not on:
        keywords.erase(kw)
    keywords = Cards.KEYWORDS.filter(func(k): return k in keywords)
    refresh()


func say(m: String, ok: bool = false) -> void:
    msg_label.text = m
    msg_label.add_theme_color_override("font_color", Style.GREEN if ok else Style.RED)


## Die Karte, wie sie gebaut würde (für die Vorschau ohne Element neutral).
func preview_card() -> Cards.Card:
    var els := elements if not elements.is_empty() else [Cards.NEUTRAL]
    return Cards.custom("c_vorschau", name_box.text.strip_edges(), els, int(attack_slider.value), int(health_slider.value), keywords)


func build() -> void:
    var p: Profile = app.profile
    var err: String = p.build_card(name_box.text, elements, int(attack_slider.value), int(health_slider.value), keywords)
    if err != "":
        say(tr(err))
        return
    app.save()
    app.sfx.play("combo")
    say(tr("Gebaut: %s") % name_box.text.strip_edges(), true)
    _suggest_name()
    refresh()


func refresh() -> void:
    var p: Profile = app.profile
    dust_label.text = "Staub: %d" % p.dust
    attack_label.text = str(int(attack_slider.value))
    health_label.text = str(int(health_slider.value))
    for e in element_buttons:
        var active: bool = e in elements
        var base: Color = Style.darker(Cards.ELEMENT_COLORS[e], 0.8)
        element_buttons[e].add_theme_stylebox_override("normal", Style.box(Style.lighter(base) if active else base, 8, Style.GOLD if active else Style.MUTED, 2 if active else 1))
    var c := preview_card()
    info_label.text = tr("Kosten %d Mana · Wert %d · Preis %d Staub") % [c.cost, c.value(), p.build_price(c)]
    Style.clear(preview_holder)
    var v := CardView.new(c, Vector2(240, 336), false, "Common")
    v.position = Vector2(880, 160)
    v.mouse_filter = Control.MOUSE_FILTER_IGNORE
    preview_holder.add_child(v)
    Style.label(preview_holder, c.text(), 15, Style.MUTED, Rect2(780, 520, 440, 30), "center")