import { Database } from '@/integrations/supabase/types';

type ParkInsert = Database['public']['Tables']['parks']['Insert'];
type RideInsert = Database['public']['Tables']['rides']['Insert'];
type CompanyInsert = Database['public']['Tables']['companies']['Insert'];
type RideModelInsert = Database['public']['Tables']['ride_models']['Insert'];

/**
 * Transform park submission data to database insert format
 */
export function transformParkData(submissionData: any): ParkInsert {
  return {
    name: submissionData.name,
    slug: submissionData.slug,
    description: submissionData.description || null,
    park_type: submissionData.park_type,
    status: normalizeStatus(submissionData.status),
    opening_date: submissionData.opening_date || null,
    closing_date: submissionData.closing_date || null,
    website_url: submissionData.website_url || null,
    phone: submissionData.phone || null,
    email: submissionData.email || null,
    operator_id: submissionData.operator_id || null,
    property_owner_id: submissionData.property_owner_id || null,
    location_id: submissionData.location_id || null,
    banner_image_url: submissionData.banner_image_url || null,
    banner_image_id: submissionData.banner_image_id || null,
    card_image_url: submissionData.card_image_url || null,
    card_image_id: submissionData.card_image_id || null,
    average_rating: 0,
    review_count: 0,
    ride_count: 0,
    coaster_count: 0,
  };
}

/**
 * Transform ride submission data to database insert format
 */
export function transformRideData(submissionData: any): RideInsert {
  // Parse JSON fields if they're strings
  let coasterStats = null;
  let technicalSpecs = null;
  let formerNames = null;

  try {
    if (submissionData.coaster_stats) {
      coasterStats = typeof submissionData.coaster_stats === 'string'
        ? JSON.parse(submissionData.coaster_stats)
        : submissionData.coaster_stats;
    }
  } catch (e) {
    console.warn('Failed to parse coaster_stats:', e);
  }

  try {
    if (submissionData.technical_specs) {
      technicalSpecs = typeof submissionData.technical_specs === 'string'
        ? JSON.parse(submissionData.technical_specs)
        : submissionData.technical_specs;
    }
  } catch (e) {
    console.warn('Failed to parse technical_specs:', e);
  }

  try {
    if (submissionData.former_names) {
      formerNames = typeof submissionData.former_names === 'string'
        ? JSON.parse(submissionData.former_names)
        : submissionData.former_names;
    }
  } catch (e) {
    console.warn('Failed to parse former_names:', e);
  }

  return {
    name: submissionData.name,
    slug: submissionData.slug,
    description: submissionData.description || null,
    category: submissionData.category,
    ride_sub_type: submissionData.ride_sub_type || null,
    status: normalizeStatus(submissionData.status),
    park_id: submissionData.park_id,
    ride_model_id: submissionData.ride_model_id || null,
    manufacturer_id: submissionData.manufacturer_id || null,
    designer_id: submissionData.designer_id || null,
    opening_date: submissionData.opening_date || null,
    closing_date: submissionData.closing_date || null,
    height_requirement: submissionData.height_requirement || null,
    age_requirement: submissionData.age_requirement || null,
    capacity_per_hour: submissionData.capacity_per_hour || null,
    duration_seconds: submissionData.duration_seconds || null,
    max_speed_kmh: submissionData.max_speed_kmh || null,
    max_height_meters: submissionData.max_height_meters || null,
    length_meters: submissionData.length_meters || null,
    drop_height_meters: submissionData.drop_height_meters || null,
    inversions: submissionData.inversions || null,
    max_g_force: submissionData.max_g_force || null,
    coaster_type: submissionData.coaster_type || null,
    seating_type: submissionData.seating_type || null,
    intensity_level: submissionData.intensity_level || null,
    coaster_stats: coasterStats,
    technical_specs: technicalSpecs,
    former_names: formerNames || [],
    banner_image_url: submissionData.banner_image_url || null,
    banner_image_id: submissionData.banner_image_id || null,
    card_image_url: submissionData.card_image_url || null,
    card_image_id: submissionData.card_image_id || null,
    image_url: submissionData.image_url || null,
    average_rating: 0,
    review_count: 0,
  };
}

/**
 * Transform company submission data to database insert format
 */
export function transformCompanyData(
  submissionData: any,
  companyType: 'manufacturer' | 'operator' | 'property_owner' | 'designer'
): CompanyInsert {
  return {
    name: submissionData.name,
    slug: submissionData.slug,
    description: submissionData.description || null,
    company_type: companyType,
    person_type: submissionData.person_type || 'company',
    founded_year: submissionData.founded_year || null,
    headquarters_location: submissionData.headquarters_location || null,
    website_url: submissionData.website_url || null,
    logo_url: submissionData.logo_url || null,
    average_rating: 0,
    review_count: 0,
  };
}

/**
 * Transform ride model submission data to database insert format
 */
export function transformRideModelData(submissionData: any): RideModelInsert {
  let technicalSpecs = null;

  try {
    if (submissionData.technical_specs) {
      technicalSpecs = typeof submissionData.technical_specs === 'string'
        ? JSON.parse(submissionData.technical_specs)
        : submissionData.technical_specs;
    }
  } catch (e) {
    console.warn('Failed to parse technical_specs:', e);
  }

  return {
    name: submissionData.name,
    slug: submissionData.slug,
    manufacturer_id: submissionData.manufacturer_id,
    category: submissionData.category,
    ride_type: submissionData.ride_type || null,
    description: submissionData.description || null,
    technical_specs: technicalSpecs,
  };
}

/**
 * Normalize status values to match database enums
 */
function normalizeStatus(status: string): string {
  if (!status) return 'operating';

  const statusMap: Record<string, string> = {
    'Operating': 'operating',
    'operating': 'operating',
    'Seasonal': 'seasonal',
    'seasonal': 'seasonal',
    'Closed Temporarily': 'closed_temporarily',
    'closed_temporarily': 'closed_temporarily',
    'Closed Permanently': 'closed_permanently',
    'closed_permanently': 'closed_permanently',
    'Under Construction': 'under_construction',
    'under_construction': 'under_construction',
    'Planned': 'planned',
    'planned': 'planned',
    'SBNO': 'sbno',
    'sbno': 'sbno',
  };

  return statusMap[status] || 'operating';
}

/**
 * Extract Cloudflare image ID from URL
 */
export function extractImageId(url: string): string {
  const match = url.match(/\/([a-f0-9-]{36})\//);
  return match ? match[1] : '';
}

/**
 * Validate and sanitize submission data before transformation
 */
export function validateSubmissionData(data: any, itemType: string): void {
  if (!data.name || typeof data.name !== 'string' || data.name.trim() === '') {
    throw new Error(`${itemType} name is required`);
  }

  if (!data.slug || typeof data.slug !== 'string' || data.slug.trim() === '') {
    throw new Error(`${itemType} slug is required`);
  }

  // Validate slug format
  if (!/^[a-z0-9-]+$/.test(data.slug)) {
    throw new Error(`${itemType} slug must contain only lowercase letters, numbers, and hyphens`);
  }
}