"""
SQLite database for simplicity. Can be swapped for PostgreSQL.
"""
import aiosqlite
import os
from datetime import datetime

DB_PATH = os.getenv("DATABASE_PATH", "/data/tickethub.db")

async def get_db():
    db = await aiosqlite.connect(DB_PATH)
    db.row_factory = aiosqlite.Row
    return db

async def init_db():
    os.makedirs(os.path.dirname(DB_PATH), exist_ok=True)
    db = await get_db()
    
    await db.executescript("""
        CREATE TABLE IF NOT EXISTS projects (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            name TEXT NOT NULL,
            key TEXT UNIQUE NOT NULL,
            description TEXT,
            webhook_url TEXT,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            ticket_sequence INTEGER DEFAULT 0
        );
        
        CREATE TABLE IF NOT EXISTS tickets (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            project_id INTEGER NOT NULL,
            key TEXT UNIQUE NOT NULL,
            title TEXT NOT NULL,
            description TEXT,
            status TEXT DEFAULT 'open',
            priority TEXT DEFAULT 'medium',
            labels TEXT DEFAULT '[]',
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            FOREIGN KEY (project_id) REFERENCES projects(id)
        );
        
        CREATE TABLE IF NOT EXISTS comments (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            ticket_id INTEGER NOT NULL,
            author TEXT NOT NULL,
            content TEXT NOT NULL,
            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
            FOREIGN KEY (ticket_id) REFERENCES tickets(id)
        );
        
        CREATE TABLE IF NOT EXISTS webhooks (
            id INTEGER PRIMARY KEY AUTOINCREMENT,
            project_id INTEGER NOT NULL,
            url TEXT NOT NULL,
            events TEXT DEFAULT '["ticket.created","ticket.updated","comment.added"]',
            active INTEGER DEFAULT 1,
            FOREIGN KEY (project_id) REFERENCES projects(id)
        );
        
        CREATE INDEX IF NOT EXISTS idx_tickets_project ON tickets(project_id);
        CREATE INDEX IF NOT EXISTS idx_tickets_status ON tickets(status);
        CREATE INDEX IF NOT EXISTS idx_comments_ticket ON comments(ticket_id);
    """)
    
    await db.commit()
    await db.close()