"""
PunimTag Test Configuration

Shared fixtures and configuration for all tests.
"""

import pytest
import sqlite3
import tempfile
import os
import sys
from pathlib import Path

# Add src to path for imports
sys.path.insert(0, str(Path(__file__).parent.parent / "src"))

from backend.app import app

@pytest.fixture
def test_db():
    """Create a temporary test database."""
    db_fd, db_path = tempfile.mkstemp()
    
    # Create test database schema
    conn = sqlite3.connect(db_path)
    cursor = conn.cursor()
    
    # Create tables
    cursor.execute('''
        CREATE TABLE images (
            id INTEGER PRIMARY KEY,
            filename TEXT NOT NULL,
            path TEXT NOT NULL,
            date_taken TEXT
        )
    ''')
    
    cursor.execute('''
        CREATE TABLE faces (
            id INTEGER PRIMARY KEY,
            image_id INTEGER,
            person_id INTEGER,
            encoding BLOB,
            left INTEGER,
            top INTEGER,
            right INTEGER,
            bottom INTEGER
        )
    ''')
    
    cursor.execute('''
        CREATE TABLE people (
            id INTEGER PRIMARY KEY,
            name TEXT NOT NULL,
            created_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP
        )
    ''')
    
    cursor.execute('''
        CREATE TABLE tags (
            id INTEGER PRIMARY KEY,
            name TEXT NOT NULL UNIQUE
        )
    ''')
    
    cursor.execute('''
        CREATE TABLE image_tags (
            image_id INTEGER,
            tag_id INTEGER,
            PRIMARY KEY (image_id, tag_id)
        )
    ''')
    
    conn.commit()
    conn.close()
    
    yield db_path
    
    # Cleanup
    os.close(db_fd)
    os.unlink(db_path)

@pytest.fixture
def client(test_db):
    """Create a test client with test database."""
    app.config['TESTING'] = True
    app.config['DATABASE_PATH'] = test_db
    
    with app.test_client() as client:
        yield client

@pytest.fixture
def sample_photos(test_db):
    """Add sample photos to the test database."""
    conn = sqlite3.connect(test_db)
    cursor = conn.cursor()
    
    photos = [
        ('photo1.jpg', '/test/path/photo1.jpg', '2023-01-01'),
        ('photo2.jpg', '/test/path/photo2.jpg', '2023-01-02'),
        ('photo3.jpg', '/test/path/photo3.jpg', '2023-01-03')
    ]
    
    cursor.executemany(
        'INSERT INTO images (filename, path, date_taken) VALUES (?, ?, ?)',
        photos
    )
    
    conn.commit()
    conn.close()
    
    return photos

@pytest.fixture
def sample_faces(test_db):
    """Add sample faces to the test database."""
    conn = sqlite3.connect(test_db)
    cursor = conn.cursor()
    
    # Add a person first
    cursor.execute('INSERT INTO people (name) VALUES (?)', ('Test Person',))
    person_id = cursor.lastrowid
    
    # Add faces
    faces = [
        (1, person_id, b'fake_encoding_1', 100, 100, 200, 200),
        (2, person_id, b'fake_encoding_2', 150, 150, 250, 250),
        (3, None, b'fake_encoding_3', 200, 200, 300, 300),  # Unidentified face
    ]
    
    cursor.executemany(
        'INSERT INTO faces (image_id, person_id, encoding, left, top, right, bottom) VALUES (?, ?, ?, ?, ?, ?, ?)',
        faces
    )
    
    conn.commit()
    conn.close()
    
    return faces