package models

import "gorm.io/gorm"

// AllModels returns all models for auto-migration
func AllModels() []interface{} {
	return []interface{}{
		&User{},
		&Category{},
		&LotMetadata{},
		&Configuration{},
		&PriceOverride{},
		&PricingAlert{},
		&ComponentUsageStats{},
	}
}

// Migrate runs auto-migration for all QuoteForge tables
func Migrate(db *gorm.DB) error {
	return db.AutoMigrate(AllModels()...)
}

// SeedCategories inserts default categories if not exist
func SeedCategories(db *gorm.DB) error {
	for _, cat := range DefaultCategories {
		result := db.Where("code = ?", cat.Code).FirstOrCreate(&cat)
		if result.Error != nil {
			return result.Error
		}
	}
	return nil
}

// SeedAdminUser creates default admin user if not exists
// Default credentials: admin / admin123
func SeedAdminUser(db *gorm.DB, passwordHash string) error {
	var count int64
	db.Model(&User{}).Where("username = ?", "admin").Count(&count)
	if count > 0 {
		return nil
	}

	admin := &User{
		Username:     "admin",
		Email:        "admin@example.com",
		PasswordHash: passwordHash,
		Role:         RoleAdmin,
		IsActive:     true,
	}
	return db.Create(admin).Error
}