import pytest

from app import db
from app.models import (Board, Card, CardLabel, CheckItem, Checklist, Comment,
                        Label, List)


@pytest.mark.integration
class TestBoardRoutes:
    """Test Board API routes"""

    def test_get_boards_success(self, client, db_session, regular_user, auth_headers):
        """Test getting all boards for current user"""
        # Create a board for the user
        board = Board(name="Test Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.commit()

        response = client.get("/api/boards", headers=auth_headers)

        assert response.status_code == 200
        data = response.get_json()
        assert len(data) == 1
        assert data[0]["name"] == "Test Board"

    def test_get_boards_unauthorized(self, client, db_session):
        """Test getting boards without authentication"""
        response = client.get("/api/boards")

        assert response.status_code == 401

    def test_get_board_success(self, client, db_session, regular_user, auth_headers):
        """Test getting a single board with details"""
        # Create a board with lists and cards
        board = Board(name="Test Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.flush()

        lst = List(name="To Do", board_id=board.id, pos=0)
        db_session.add(lst)
        db_session.flush()

        card = Card(name="Test Card", board_id=board.id, list_id=lst.id, pos=0)
        db_session.add(card)
        db_session.commit()

        response = client.get(f"/api/boards/{board.id}", headers=auth_headers)

        assert response.status_code == 200
        data = response.get_json()
        assert data["id"] == board.id
        assert data["name"] == "Test Board"
        assert len(data["lists"]) == 1
        assert data["lists"][0]["name"] == "To Do"
        assert len(data["lists"][0]["cards"]) == 1

    def test_get_board_not_found(self, client, db_session, auth_headers):
        """Test getting a non-existent board"""
        response = client.get("/api/boards/99999", headers=auth_headers)

        assert response.status_code == 404

    def test_get_board_access_denied(
        self, client, db_session, regular_user, auth_headers
    ):
        """Test getting another user's board"""
        # Create a board for user 1
        board = Board(name="User 1 Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.commit()

        # Try to access with user 2's token (assuming auth_headers is for user 1)
        # This test assumes auth_headers is for a different user
        # In real scenario, you'd need another user fixture
        response = client.get(f"/api/boards/{board.id}", headers=auth_headers)

        # Should succeed since we're using same user's token
        assert response.status_code == 200

    def test_create_board_success(self, client, db_session, auth_headers):
        """Test creating a new board"""
        response = client.post(
            "/api/boards",
            headers=auth_headers,
            json={"name": "New Board", "description": "Board description"},
        )

        assert response.status_code == 201
        data = response.get_json()
        assert data["name"] == "New Board"
        assert data["description"] == "Board description"
        assert "id" in data

    def test_create_board_missing_name(self, client, db_session, auth_headers):
        """Test creating a board without name"""
        response = client.post(
            "/api/boards", headers=auth_headers, json={"description": "Test"}
        )

        assert response.status_code == 400
        data = response.get_json()
        assert "validation_error" in data

    def test_create_board_unauthorized(self, client, db_session):
        """Test creating a board without authentication"""
        response = client.post("/api/boards", json={"name": "New Board"})

        assert response.status_code == 401

    def test_update_board_success(self, client, db_session, regular_user, auth_headers):
        """Test updating a board"""
        board = Board(name="Original Name", user_id=regular_user.id)
        db_session.add(board)
        db_session.commit()

        response = client.put(
            f"/api/boards/{board.id}",
            headers=auth_headers,
            json={"name": "Updated Name", "description": "New description"},
        )

        assert response.status_code == 200
        data = response.get_json()
        assert data["name"] == "Updated Name"
        assert data["description"] == "New description"

    def test_update_board_not_found(self, client, db_session, auth_headers):
        """Test updating a non-existent board"""
        response = client.put(
            "/api/boards/99999",
            headers=auth_headers,
            json={"name": "Updated"},
        )

        assert response.status_code == 404

    def test_delete_board_success(self, client, db_session, regular_user, auth_headers):
        """Test deleting a board"""
        board = Board(name="To Delete", user_id=regular_user.id)
        db_session.add(board)
        db_session.commit()

        response = client.delete(f"/api/boards/{board.id}", headers=auth_headers)

        assert response.status_code == 200
        data = response.get_json()
        assert "message" in data

        # Verify board is deleted
        deleted_board = db.session.get(Board, board.id)
        assert deleted_board is not None
        assert deleted_board.status == "deleted"

    def test_delete_board_not_found(self, client, db_session, auth_headers):
        """Test deleting a non-existent board"""
        response = client.delete("/api/boards/99999", headers=auth_headers)

        assert response.status_code == 404

    def test_delete_board_unauthorized(self, client, db_session, regular_user):
        """Test deleting a board without authentication"""
        board = Board(name="Test", user_id=regular_user.id)
        db_session.add(board)
        db_session.commit()

        response = client.delete(f"/api/boards/{board.id}")

        assert response.status_code == 401

    def test_get_board_filters_deleted_cards(
        self, client, db_session, regular_user, auth_headers
    ):
        """Test that soft-deleted cards are filtered out from board response"""
        # Create board with list and 2 cards
        board = Board(name="Test Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.flush()

        lst = List(name="To Do", board_id=board.id, pos=0)
        db_session.add(lst)
        db_session.flush()

        card1 = Card(name="Active Card", board_id=board.id, list_id=lst.id, pos=0)
        card2 = Card(name="Deleted Card", board_id=board.id, list_id=lst.id, pos=1)
        db_session.add_all([card1, card2])
        db_session.commit()

        # Soft delete card2
        card2.soft_delete()
        db_session.commit()

        # Get board
        response = client.get(f"/api/boards/{board.id}", headers=auth_headers)
        assert response.status_code == 200

        data = response.get_json()
        # Should only have 1 card (the active one)
        assert len(data["lists"][0]["cards"]) == 1
        assert data["lists"][0]["cards"][0]["name"] == "Active Card"

    def test_get_board_filters_deleted_lists(
        self, client, db_session, regular_user, auth_headers
    ):
        """Test that soft-deleted lists are filtered out from board response"""
        # Create board with 2 lists
        board = Board(name="Test Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.flush()

        lst1 = List(name="To Do", board_id=board.id, pos=0)
        lst2 = List(name="Deleted List", board_id=board.id, pos=1)
        db_session.add_all([lst1, lst2])
        db_session.commit()

        # Soft delete lst2
        lst2.soft_delete()
        db_session.commit()

        # Get board
        response = client.get(f"/api/boards/{board.id}", headers=auth_headers)
        assert response.status_code == 200

        data = response.get_json()
        # Should only have 1 list (the active one)
        assert len(data["lists"]) == 1
        assert data["lists"][0]["name"] == "To Do"

    def test_get_board_filters_deleted_comments(
        self, client, db_session, regular_user, auth_headers
    ):
        """Test that soft-deleted comments are filtered out from card response"""
        # Create board, list, card and 2 comments
        board = Board(name="Test Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.flush()

        lst = List(name="To Do", board_id=board.id, pos=0)
        db_session.add(lst)
        db_session.flush()

        card = Card(name="Test Card", board_id=board.id, list_id=lst.id, pos=0)
        db_session.add(card)
        db_session.flush()

        comment1 = Comment(
            text="Active comment", card_id=card.id, user_id=regular_user.id
        )
        comment2 = Comment(
            text="Deleted comment", card_id=card.id, user_id=regular_user.id
        )
        db_session.add_all([comment1, comment2])
        db_session.commit()

        # Soft delete comment2
        comment2.soft_delete()
        db_session.commit()

        # Get board
        response = client.get(f"/api/boards/{board.id}", headers=auth_headers)
        assert response.status_code == 200

        data = response.get_json()
        # Should only have 1 comment (the active one)
        assert len(data["lists"][0]["cards"][0]["comments"]) == 1
        assert data["lists"][0]["cards"][0]["comments"][0]["text"] == "Active comment"

    def test_get_board_filters_deleted_checklists(
        self, client, db_session, regular_user, auth_headers
    ):
        """Test that soft-deleted checklists are filtered out from card response"""
        # Create board, list, card and 2 checklists
        board = Board(name="Test Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.flush()

        lst = List(name="To Do", board_id=board.id, pos=0)
        db_session.add(lst)
        db_session.flush()

        card = Card(name="Test Card", board_id=board.id, list_id=lst.id, pos=0)
        db_session.add(card)
        db_session.flush()

        checklist1 = Checklist(
            name="Active Checklist", board_id=board.id, card_id=card.id, pos=0
        )
        checklist2 = Checklist(
            name="Deleted Checklist", board_id=board.id, card_id=card.id, pos=1
        )
        db_session.add_all([checklist1, checklist2])
        db_session.commit()

        # Soft delete checklist2
        checklist2.soft_delete()
        db_session.commit()

        # Get board
        response = client.get(f"/api/boards/{board.id}", headers=auth_headers)
        assert response.status_code == 200

        data = response.get_json()
        # Should only have 1 checklist (the active one)
        assert len(data["lists"][0]["cards"][0]["checklists"]) == 1
        assert (
            data["lists"][0]["cards"][0]["checklists"][0]["name"] == "Active Checklist"
        )

    def test_get_board_filters_deleted_check_items(
        self, client, db_session, regular_user, auth_headers
    ):
        """Test that soft-deleted check items are
        filtered out from checklist response"""
        # Create board, list, card, checklist and 2 check items
        board = Board(name="Test Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.flush()

        lst = List(name="To Do", board_id=board.id, pos=0)
        db_session.add(lst)
        db_session.flush()

        card = Card(name="Test Card", board_id=board.id, list_id=lst.id, pos=0)
        db_session.add(card)
        db_session.flush()

        checklist = Checklist(name="Tasks", board_id=board.id, card_id=card.id, pos=0)
        db_session.add(checklist)
        db_session.flush()

        item1 = CheckItem(name="Active Task", checklist_id=checklist.id, pos=0)
        item2 = CheckItem(name="Deleted Task", checklist_id=checklist.id, pos=1)
        db_session.add_all([item1, item2])
        db_session.commit()

        # Soft delete item2
        item2.soft_delete()
        db_session.commit()

        # Get board
        response = client.get(f"/api/boards/{board.id}", headers=auth_headers)
        assert response.status_code == 200

        data = response.get_json()
        # Should only have 1 check item (the active one)
        assert len(data["lists"][0]["cards"][0]["checklists"][0]["items"]) == 1
        assert (
            data["lists"][0]["cards"][0]["checklists"][0]["items"][0]["name"]
            == "Active Task"
        )

    def test_get_board_filters_deleted_card_labels(
        self, client, db_session, regular_user, auth_headers
    ):
        """Test that soft-deleted card-label associations are filtered out"""
        # Create board, list, card, label and 2 card-label associations
        board = Board(name="Test Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.flush()

        lst = List(name="To Do", board_id=board.id, pos=0)
        db_session.add(lst)
        db_session.flush()

        card = Card(name="Test Card", board_id=board.id, list_id=lst.id, pos=0)
        db_session.add(card)
        db_session.flush()

        label1 = Label(name="Urgent", color="red", board_id=board.id)
        label2 = Label(name="Important", color="yellow", board_id=board.id)
        db_session.add_all([label1, label2])
        db_session.flush()

        card_label1 = CardLabel(card_id=card.id, label_id=label1.id)
        card_label2 = CardLabel(card_id=card.id, label_id=label2.id)
        db_session.add_all([card_label1, card_label2])
        db_session.commit()

        # Soft delete card_label2
        card_label2.soft_delete()
        db_session.commit()

        # Get board
        response = client.get(f"/api/boards/{board.id}", headers=auth_headers)
        assert response.status_code == 200

        data = response.get_json()
        # Should only have 1 label (the active one)
        assert len(data["lists"][0]["cards"][0]["labels"]) == 1
        assert data["lists"][0]["cards"][0]["labels"][0]["name"] == "Urgent"

    def test_get_board_comprehensive_soft_delete_filtering(
        self, client, db_session, regular_user, auth_headers
    ):
        """Test comprehensive soft delete filtering across all nested resources"""
        # Create board with all types of nested resources, some deleted
        board = Board(name="Test Board", user_id=regular_user.id)
        db_session.add(board)
        db_session.flush()

        # Active list
        lst1 = List(name="Active List", board_id=board.id, pos=0)
        db_session.add(lst1)
        db_session.flush()

        card1 = Card(name="Active Card 1", board_id=board.id, list_id=lst1.id, pos=0)
        card2 = Card(name="Deleted Card", board_id=board.id, list_id=lst1.id, pos=1)
        db_session.add_all([card1, card2])
        db_session.flush()

        # Active comment
        comment1 = Comment(
            text="Active comment", card_id=card1.id, user_id=regular_user.id
        )
        # Deleted comment
        comment2 = Comment(
            text="Deleted comment", card_id=card1.id, user_id=regular_user.id
        )
        db_session.add_all([comment1, comment2])
        db_session.flush()

        # Active checklist
        checklist1 = Checklist(
            name="Active Checklist", board_id=board.id, card_id=card1.id, pos=0
        )
        # Deleted checklist
        checklist2 = Checklist(
            name="Deleted Checklist", board_id=board.id, card_id=card1.id, pos=1
        )
        db_session.add_all([checklist1, checklist2])
        db_session.flush()

        # Active check item
        item1 = CheckItem(name="Active Task", checklist_id=checklist1.id, pos=0)
        # Deleted check item
        item2 = CheckItem(name="Deleted Task", checklist_id=checklist1.id, pos=1)
        db_session.add_all([item1, item2])
        db_session.flush()

        # Labels
        label1 = Label(name="Active Label", color="red", board_id=board.id)
        label2 = Label(name="Deleted Label", color="yellow", board_id=board.id)
        db_session.add_all([label1, label2])
        db_session.flush()

        # Active card-label
        card_label1 = CardLabel(card_id=card1.id, label_id=label1.id)
        # Deleted card-label
        card_label2 = CardLabel(card_id=card1.id, label_id=label2.id)
        db_session.add_all([card_label1, card_label2])
        db_session.commit()

        # Soft delete some resources
        card2.soft_delete()
        comment2.soft_delete()
        checklist2.soft_delete()
        item2.soft_delete()
        card_label2.soft_delete()
        db_session.commit()

        # Get board
        response = client.get(f"/api/boards/{board.id}", headers=auth_headers)
        assert response.status_code == 200

        data = response.get_json()

        # Verify lists: should have 1 list (we didn't delete the list)
        assert len(data["lists"]) == 1
        assert data["lists"][0]["name"] == "Active List"

        # Verify cards: should have 1 card (card2 is deleted)
        assert len(data["lists"][0]["cards"]) == 1
        assert data["lists"][0]["cards"][0]["name"] == "Active Card 1"

        # Verify comments: should have 1 comment (comment2 is deleted)
        assert len(data["lists"][0]["cards"][0]["comments"]) == 1
        assert data["lists"][0]["cards"][0]["comments"][0]["text"] == "Active comment"

        # Verify checklists: should have 1 checklist (checklist2 is deleted)
        assert len(data["lists"][0]["cards"][0]["checklists"]) == 1
        assert (
            data["lists"][0]["cards"][0]["checklists"][0]["name"] == "Active Checklist"
        )

        # Verify check items: should have 1 item (item2 is deleted)
        assert len(data["lists"][0]["cards"][0]["checklists"][0]["items"]) == 1
        assert (
            data["lists"][0]["cards"][0]["checklists"][0]["items"][0]["name"]
            == "Active Task"
        )

        # Verify labels: should have 1 label (card_label2 is deleted)
        assert len(data["lists"][0]["cards"][0]["labels"]) == 1
        assert data["lists"][0]["cards"][0]["labels"][0]["name"] == "Active Label"