#!/usr/bin/env python3
"""
Create Inventory Entries for Products

This script creates inventory entries for all products that don't have inventory.
Each product gets 100 units in stock.
"""

import sys
from pathlib import Path

# Add project root to path
sys.path.insert(0, str(Path(__file__).parent.parent))

import os
import sqlite3
from datetime import UTC, datetime

from dotenv import load_dotenv

# Load environment variables
load_dotenv()

# Get database URL
database_url = os.getenv("DATABASE_URL", "orion.db")
db_path = database_url.replace("sqlite:///", "")

print(f"📦 Creating inventory entries in {db_path}...")

conn = sqlite3.connect(db_path)
cursor = conn.cursor()

# Get products without inventory
cursor.execute(
    """
    SELECT p.id, p.store_id, p.product_id
    FROM products p
    LEFT JOIN inventory i ON p.id = i.product_id
    WHERE i.id IS NULL
"""
)
products_without_inventory = cursor.fetchall()

if not products_without_inventory:
    print("✅ All products already have inventory entries")
    conn.close()
    sys.exit(0)

print(f"📦 Creating inventory for {len(products_without_inventory)} products...")

# Create inventory entries
for product_id, store_id, _sku in products_without_inventory:
    cursor.execute(
        """
        INSERT INTO inventory (
            store_id,
            product_id,
            location,
            quantity,
            reserved_quantity,
            created_at,
            updated_at
        ) VALUES (?, ?, ?, ?, ?, ?, ?)
    """,
        (
            store_id,
            product_id,
            "Main Warehouse",
            100,  # Total quantity
            0,  # Reserved quantity
            datetime.now(UTC),
            datetime.now(UTC),
        ),
    )

conn.commit()

print(f"✅ Created inventory entries for {len(products_without_inventory)} products")

# Show stats
cursor.execute("SELECT COUNT(*) FROM inventory")
total_count = cursor.fetchone()[0]
print(f"\n📊 Total inventory entries: {total_count}")

cursor.execute(
    "SELECT product_id, location, quantity, reserved_quantity FROM inventory LIMIT 5"
)
print("\n📦 Sample inventory:")
for row in cursor.fetchall():
    available = row[2] - row[3]
    print(f"  Product ID {row[0]}: {available} available at {row[1]}")

conn.close()

print("\n✅ Done!")