import json

from engine_rust import PyCardDatabase, PyGameState

from engine.models.ability import Ability, Effect, EffectType, TargetType, TriggerType
from engine.models.opcodes import Opcode


def create_mock_db_json(cards):
    """Create a JSON string for PyCardDatabase."""
    db_data = {"members": {}, "lives": {}}
    for card in cards:
        card_data = {
            "card_id": card["card_id"],
            "card_no": card.get("card_no", "TEST-001"),
            "name": card.get("name", "Test Card"),
            "cost": card.get("cost", 1),
            "hearts": card.get("hearts", [0] * 7),
            "blade_hearts": card.get("blade_hearts", [0] * 7),
            "blades": card.get("blades", 0),
            "groups": card.get("groups", []),
            "units": card.get("units", []),
            "abilities": card.get("abilities", []),
            "volume_icons": card.get("volume_icons", 0),
            "draw_icons": card.get("draw_icons", 0),
            "img_path": "",
            "ability_text": "",
        }
        db_data["members"][str(card["card_id"])] = card_data
    return json.dumps(db_data)


def test_on_reveal_trigger():
    """Verify that OnReveal triggers when a card is yelled."""
    ab = Ability(
        raw_text="OnReveal: Draw 1",
        trigger=TriggerType.ON_REVEAL,
        effects=[Effect(EffectType.DRAW, value=1, target=TargetType.SELF)],
    )
    bytecode = ab.compile()

    cards = [
        {
            "card_id": 101,
            "abilities": [
                {
                    "trigger": int(TriggerType.ON_REVEAL),
                    "bytecode": bytecode,
                    "conditions": [],
                    "raw_text": "OnReveal: Draw 1",
                }
            ],
        }
    ]

    db = PyCardDatabase(create_mock_db_json(cards))
    gs = PyGameState(db)

    # Setup Deck using PyGameState setter
    # PyGameState.initialize_game(p0_deck, p1_deck, p0_energy, p1_energy, p0_lives, p1_lives)
    gs.initialize_game(
        [302, 301, 101],  # p0 deck (101 on top)
        [],
        [],
        [],
        [],
        [],
    )

    # Action 1 = Yell
    gs.set_phase(4)  # Main Phase
    p0 = gs.get_player(0)
    p0.set_blade_buffs([1, 0, 0])
    gs.set_player(0, p0)

    gs.step(1)

    p0_after = gs.get_player(0)
    assert 301 in p0_after.hand


def test_on_leaves_trigger():
    """Verify that OnLeaves triggers when a card is replaced on stage."""
    ab_leaves = Ability(
        raw_text="OnLeaves: Draw 1",
        trigger=TriggerType.ON_LEAVES,
        effects=[Effect(EffectType.DRAW, value=1, target=TargetType.SELF)],
    )

    cards = [
        {
            "card_id": 101,
            "abilities": [
                {
                    "trigger": int(TriggerType.ON_LEAVES),
                    "bytecode": ab_leaves.compile(),
                    "conditions": [],
                    "raw_text": "OnLeaves: Draw 1",
                }
            ],
        },
        {"card_id": 102, "abilities": []},
    ]

    db = PyCardDatabase(create_mock_db_json(cards))
    gs = PyGameState(db)

    gs.initialize_game(
        [301, 302],  # p0 deck
        [],
        [],
        [],
        [],
        [],
    )

    # Set stage and hand via PyGameState
    gs.set_stage_card(0, 0, 101)
    gs.set_hand_cards(0, [102])

    # O_PLAY_MEMBER_FROM_HAND (57)
    bytecode = [Opcode.PLAY_MEMBER_FROM_HAND, 0, 0, 0, Opcode.RETURN, 0, 0, 0]

    gs.debug_execute_bytecode(bytecode, 0, 0, -1, 0, 0, 0)

    p0_after = gs.get_player(0)

    if p0_after.stage[0] != 102 or 301 not in p0_after.hand:
        raise Exception(
            f"DEBUG OnLeaves FAILED.\nStage: {p0_after.stage}\nHand: {p0_after.hand}\nDiscard: {p0_after.discard}\nLog: {gs.rule_log}"
        )


def test_on_position_change_trigger():
    """Verify that OnPositionChange triggers when a card moves slots."""
    ab_pos = Ability(
        raw_text="OnPosition: Draw 1",
        trigger=TriggerType.ON_POSITION_CHANGE,
        effects=[Effect(EffectType.DRAW, value=1, target=TargetType.SELF)],
    )

    cards = [
        {
            "card_id": 101,
            "abilities": [
                {
                    "trigger": int(TriggerType.ON_POSITION_CHANGE),
                    "bytecode": ab_pos.compile(),
                    "conditions": [],
                    "raw_text": "OnPosition: Draw 1",
                }
            ],
        }
    ]

    db = PyCardDatabase(create_mock_db_json(cards))
    gs = PyGameState(db)

    gs.initialize_game(
        [301, 302],  # p0 deck
        [],
        [],
        [],
        [],
        [],
    )

    gs.set_stage_card(0, 0, 101)

    # O_MOVE_MEMBER (20)
    bytecode = [Opcode.MOVE_MEMBER, 0, 0, 2, Opcode.RETURN, 0, 0, 0]

    gs.debug_execute_bytecode(bytecode, 0, 0, -1, 2, 0, 0)

    p0_after = gs.get_player(0)

    if p0_after.stage[2] != 101 or 301 not in p0_after.hand:
        raise Exception(f"DEBUG OnPosition FAILED.\nStage: {p0_after.stage}\nHand: {p0_after.hand}\nLog: {gs.rule_log}")