import pytest
import json
from sqlmodel import SQLModel, create_engine, Session
from pirats import cards
from pirats import crud
from pirats.models import Game, Player, Obstacle

# In-memory database for testing
@pytest.fixture(name="session")
def session_fixture():
    engine = create_engine("sqlite://", connect_args={"check_same_thread": False})
    SQLModel.metadata.create_all(engine)
    with Session(engine) as session:
        yield session

def test_card_parsing():
    c_10d = cards.parse_card("10D")
    assert c_10d["value"] == "10"
    assert c_10d["suit"] == "D"
    assert c_10d["color"] == "red"
    assert c_10d["numeric_value"] == 10
    assert not c_10d["is_joker"]

    c_ac = cards.parse_card("AC")
    assert c_ac["value"] == "A"
    assert c_ac["suit"] == "C"
    assert c_ac["color"] == "black"
    assert c_ac["numeric_value"] == 1
    
    c_kh = cards.parse_card("KH")
    assert c_kh["value"] == "K"
    assert c_kh["numeric_value"] == 13

    c_joker = cards.parse_card("Joker1")
    assert c_joker["is_joker"]
    assert c_joker["color"] == "black"

def test_obstacle_info():
    obs = cards.get_obstacle_info("7C")
    assert obs["title"] == "Lustful Bean Whale"
    assert "bean" in obs["description"].lower()
    assert obs["initial_value"] == 7
    assert obs["color"] == "black"

def test_game_creation(session):
    game = crud.create_game(session)
    assert game.id is not None
    assert game.phase == "lobby"
    assert len(crud.get_game_deck(game)) == 54

def test_character_creation_and_swap(session):
    game = crud.create_game(session)
    p1 = crud.add_player(session, game.id, "Carlos", is_creator=True)
    p2 = crud.add_player(session, game.id, "Barry")
    p3 = crud.add_player(session, game.id, "Jaspar")
    
    session.refresh(game)
    assert len(game.players) == 3
    
    # Fill basic details
    p1.avatar_look = "Bandana"
    p2.avatar_look = "Eyepatch"
    p3.avatar_look = "Pegleg"
    session.add_all([p1, p2, p3])
    session.commit()
    
    # Submit techniques
    crud.submit_techniques(session, p1.id, "Carlos Strike", "Hide", "Roll")
    crud.submit_techniques(session, p2.id, "Barry Leap", "Bite", "Scream")
    crud.submit_techniques(session, p3.id, "Jaspar Blast", "Shoot", "Run")
    
    session.refresh(game)
    # The swap should have automatically triggered because all 3 submitted
    assert game.phase == "swap_techniques"
    
    session.refresh(p1)
    session.refresh(p2)
    session.refresh(p3)
    
    techs_p1 = json.loads(p1.swapped_techniques)
    assert len(techs_p1) == 3
    # Check that Carlos didn't get any of his own techniques
    assert "Carlos Strike" not in techs_p1
    
    # Now assign to face cards
    crud.assign_face_card_techniques(session, p1.id, techs_p1[0], techs_p1[1], techs_p1[2])
    crud.assign_face_card_techniques(session, p2.id, "T2", "T3", "T4")
    crud.assign_face_card_techniques(session, p3.id, "T5", "T6", "T7")
    
    session.refresh(game)
    # All are ready, should transition to scene_setup and assign starting ranks!
    assert game.phase == "scene_setup"
    
    session.refresh(p1)
    session.refresh(p2)
    session.refresh(p3)
    
    ranks = [p1.rank, p2.rank, p3.rank]
    assert 3 in ranks
    assert 1 in ranks
    assert 2 in ranks
    
    roles = [p1.role, p2.role, p3.role]
    assert "deep" in roles
    assert "pirat" in roles

def test_scene_start_and_challenges(session):
    game = crud.create_game(session)
    p1 = crud.add_player(session, game.id, "P1", is_creator=True)
    p2 = crud.add_player(session, game.id, "P2")
    
    # Bypass char creation for quick scene test
    p1.rank = 3
    p1.role = "deep"
    p1.previous_role = "deep"
    
    p2.rank = 1
    p2.role = "pirat"
    p2.previous_role = "pirat"
    
    session.add_all([p1, p2])
    session.commit()
    
    # Confirm setup (1 Deep, 1 Pi-Rat)
    success, msg = crud.confirm_scene_setup(session, game.id)
    assert success
    
    session.refresh(game)
    assert game.phase == "scene"
    assert len(game.obstacles) == 2  # Deeps (1) + 1 = 2 obstacles
    
    obs_list = game.obstacles
    obs = obs_list[0]
    
    # Give p2 a known hand for testing
    p2.hand_cards = json.dumps(["10D", "2H", "JS", "Joker1"])
    session.add(p2)
    session.commit()
    
    # Play card: 10D (value 10) vs Obstacle. Let's make sure obstacle value is less than 10.
    # Set obstacle value to 5
    obs.current_value = 5
    session.add(obs)
    session.commit()
    
    # Play 10D (red) on obstacle. Let's check original obstacle color.
    # If original obstacle was red, we expect a card draw.
    orig_is_red = cards.parse_card(obs.original_card)["color"] == "red"
    deck_before = len(crud.get_game_deck(game))
    
    ok, msg, res = crud.play_card_on_obstacle(session, p2.id, obs.id, "10D")
    assert ok
    assert res["success"]
    assert "Success" in res["details"]
    
    session.refresh(p2)
    session.refresh(obs)
    # Obstacle current value should update to 10
    assert obs.current_value == 10
    
    # Check if hand size matches card draw rule
    # 10D was played (-1 card). If colors matched, drew 1 back (+1 card).
    hand = crud.get_player_hand(p2)
    if orig_is_red:
        assert len(hand) == 4
        assert res["drew_card"] is not None
    else:
        assert len(hand) == 3
        assert res["drew_card"] is None

def test_secret_technique_auto_success(session):
    game = crud.create_game(session)
    p1 = crud.add_player(session, game.id, "P1")
    p1.role = "pirat"
    p1.rank = 2
    p1.tech_jack = "Pocket Sand"
    p1.hand_cards = json.dumps(["JS"])
    session.add(p1)
    
    obs = Obstacle(
        game_id=game.id,
        original_card="10C",
        suit="C",
        title="Knights",
        current_value=10
    )
    session.add(obs)
    session.commit()
    
    # Play Jack. J is a face card -> auto success!
    ok, msg, res = crud.play_card_on_obstacle(session, p1.id, obs.id, "JS")
    assert ok
    assert res["success"]
    assert res["is_technique"]
    assert res["tech_name"] == "Pocket Sand"

def test_joker_play(session):
    game = crud.create_game(session)
    # Remove Joker1 and 10C from deck to prevent flakiness
    deck = json.loads(game.deck_cards)
    if "Joker1" in deck:
        deck.remove("Joker1")
    if "10C" in deck:
        deck.remove("10C")
    game.deck_cards = json.dumps(deck)
    session.add(game)
    
    p1 = crud.add_player(session, game.id, "P1")
    p1.role = "pirat"
    p1.hand_cards = json.dumps(["Joker1"])
    session.add(p1)
    
    obs = Obstacle(
        game_id=game.id,
        original_card="10C",
        suit="C",
        title="Knights",
        current_value=10
    )
    session.add(obs)
    session.commit()
    
    # Play Joker
    ok, msg, res = crud.play_card_on_obstacle(session, p1.id, obs.id, "Joker1")
    assert ok
    assert res["is_joker"]
    
    # Verify obstacle was deleted and replaced
    session.refresh(game)
    assert len(game.obstacles) == 1
    assert game.obstacles[0].original_card != "10C"

def test_obstacle_success_count(session):
    game = crud.create_game(session)
    obs = Obstacle(
        game_id=game.id,
        original_card="10C",
        suit="C",
        title="Knights",
        current_value=10,
        played_cards=json.dumps([
            {"card": "9H", "player_id": "p1", "player_name": "P1", "success": True},
            {"card": "8S", "player_id": "p2", "player_name": "P2", "success": False},
            {"card": "AH", "player_id": "p1", "player_name": "P1", "success": True}
        ])
    )
    session.add(obs)
    session.commit()
    
    assert obs.success_count == 2

def test_non_deep_player_treatment(session):
    game = crud.create_game(session)
    p1 = crud.add_player(session, game.id, "Captain Barnaby")
    p2 = crud.add_player(session, game.id, "Crewmate Pip")
    
    # p1 is deep, p2 is None (non-deep)
    p1.role = "deep"
    p2.role = None
    session.add_all([p1, p2])
    session.commit()
    
    # Check captain status: p2 should be captain because p2 is the only non-deep player
    assert crud.is_player_captain(p2, game.players)
    assert not crud.is_player_captain(p1, game.players)
    
    # Check hand size: p2 should participate in hand size calculations and get Captain privileges (+1)
    assert crud.calculate_max_hand_size(p2, game.players) == 4

def test_set_role_endpoint():
    from fastapi.testclient import TestClient
    from sqlalchemy.pool import StaticPool
    from sqlmodel import SQLModel, create_engine, Session
    from pirats.main import app
    from pirats import crud

    # Setup in-memory DB with StaticPool to share connection across threads
    engine = create_engine(
        "sqlite://",
        connect_args={"check_same_thread": False},
        poolclass=StaticPool,
    )
    SQLModel.metadata.create_all(engine)
    session = Session(engine)

    # Create game and player
    game = crud.create_game(session)
    player = crud.add_player(session, game.id, "TestPirate")
    game.phase = "scene_setup"
    session.add(game)
    session.commit()

    def get_session_override():
        yield session

    # Dynamically find the get_session function object used by the route
    get_session_func = None
    for route in app.routes:
        if route.path == "/game/{game_id}/player/{player_id}/set-role":
            for dep in route.dependant.dependencies:
                if dep.name == "db":
                    get_session_func = dep.call
                    break
            if get_session_func:
                break

    assert get_session_func is not None, "Could not find get_session dependency in route"
    app.dependency_overrides[get_session_func] = get_session_override
    client = TestClient(app)

    try:
        response = client.post(f"/game/{game.id}/player/{player.id}/set-role?role=pirat")
        assert response.status_code == 200
        # The response should contain the rendered scene setup template
        assert "Play Pi-Rat" in response.text
        # The database should be updated
        session.refresh(player)
        assert player.role == "pirat"
    finally:
        app.dependency_overrides.clear()