#!/usr/bin/env python3
"""
Comprehensive seed script for PMFlow/Neural Sync.
Creates users, domains, and initial data.
"""
import asyncio
import sys
from pathlib import Path

from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.future import select

BACKEND_ROOT = Path(__file__).resolve().parents[2]
sys.path.insert(0, str(BACKEND_ROOT))

from app.core.database import AsyncSessionLocal
from app.models import User, ProjectDomain, Project
from app.services.auth import AuthService


async def seed_users():
    """Create default users with known passwords."""
    # Create initial users (with simple password hashes for demo)
    # In production, these should be created with proper password hashing.

    async with AsyncSessionLocal() as session:
        # Check if users already exist
        result = await session.execute(select(User).where(User.username == "admin"))
        admin = result.scalar_one_or_none()

        if not admin:
            # Create admin user
            admin = User(
                username="admin",
                password_hash=AuthService.hash_password("admin123"),
                name="系统管理员",
                email="admin@pmflow.ai",
                role="OWNER",
                assigned_domains=[],
                workload=0,
                status="active",
                is_active=True,
                tenant_id=1,
            )
            session.add(admin)
            print("✅ Created admin user (username: admin, password: admin123)")

        # Create boss user
        result = await session.execute(select(User).where(User.username == "boss"))
        boss = result.scalar_one_or_none()
        if not boss:
            boss = User(
                username="boss",
                password_hash=AuthService.hash_password("boss123"),
                name="老板",
                email="boss@pmflow.ai",
                role="OWNER",
                assigned_domains=[],
                workload=0,
                status="active",
                is_active=True,
                tenant_id=1,
            )
            session.add(boss)
            print("✅ Created boss user (username: boss, password: boss123)")

        # Create AI engineer user
        result = await session.execute(select(User).where(User.username == "ai_engineer"))
        ai_user = result.scalar_one_or_none()
        if not ai_user:
            ai_user = User(
                username="ai_engineer",
                password_hash=AuthService.hash_password("ai123"),
                name="AI工程师",
                email="ai@pmflow.ai",
                role="BUILDER",
                assigned_domains=[],
                workload=0,
                status="active",
                is_active=True,
                tenant_id=1,
            )
            session.add(ai_user)
            print("✅ Created ai_engineer user (username: ai_engineer, password: ai123)")

        # Create backend user
        result = await session.execute(select(User).where(User.username == "backend"))
        backend_user = result.scalar_one_or_none()
        if not backend_user:
            backend_user = User(
                username="backend",
                password_hash=AuthService.hash_password("be123"),
                name="后端开发",
                email="backend@pmflow.ai",
                role="BUILDER",
                assigned_domains=[],
                workload=0,
                status="active",
                is_active=True,
                tenant_id=1,
            )
            session.add(backend_user)
            print("✅ Created backend user (username: backend, password: be123)")

        # Create frontend user
        result = await session.execute(select(User).where(User.username == "frontend"))
        frontend_user = result.scalar_one_or_none()
        if not frontend_user:
            frontend_user = User(
                username="frontend",
                password_hash=AuthService.hash_password("fe123"),
                name="前端开发",
                email="frontend@pmflow.ai",
                role="BUILDER",
                assigned_domains=[],
                workload=0,
                status="active",
                is_active=True,
                tenant_id=1,
            )
            session.add(frontend_user)
            print("✅ Created frontend user (username: frontend, password: fe123)")

        await session.commit()


async def seed_domains():
    """Create default project domains."""
    async with AsyncSessionLocal() as session:
        # Check if domains already exist
        result = await session.execute(select(ProjectDomain))
        domains = result.scalars().all()

        if not domains:
            default_domains = [
                ProjectDomain(
                    name="AI模型工程",
                    slug="ai-engineering",
                    description="AI模型训练、评估和部署相关项目",
                    is_default=True,
                    signal_count=0,
                    context_node_count=0,
                    experiment_count=0,
                    tenant_id=1,
                ),
                ProjectDomain(
                    name="后端服务",
                    slug="backend-services",
                    description="后端API、数据库、微服务等项目",
                    is_default=False,
                    signal_count=0,
                    context_node_count=0,
                    experiment_count=0,
                    tenant_id=1,
                ),
                ProjectDomain(
                    name="前端应用",
                    slug="frontend-apps",
                    description="Vue/React前端应用、UI组件等",
                    is_default=False,
                    signal_count=0,
                    context_node_count=0,
                    experiment_count=0,
                    tenant_id=1,
                ),
            ]

            for domain in default_domains:
                session.add(domain)

            await session.commit()
            print("✅ Created 3 default project domains: ai-engineering, backend-services, frontend-apps")
        else:
            print(f"ℹ️  Project domains already exist ({len(domains)} found)")


async def main():
    print("🌱 Seeding PMFlow database...")
    print("=" * 50)

    await seed_users()
    await seed_domains()

    print("=" * 50)
    print("✅ Seeding completed!")
    print()
    print("📝 Default users created:")
    print("  - admin / admin123 (OWNER)")
    print("  - boss / boss123 (OWNER)")
    print("  - ai_engineer / ai123 (BUILDER)")
    print("  - backend / be123 (BUILDER)")
    print("  - frontend / fe123 (BUILDER)")
    print()
    print("🔐 Use these credentials to login at: http://127.0.0.1:5174/login")


if __name__ == "__main__":
    asyncio.run(main())