import {
  IsArray,
  IsBoolean,
  IsIn,
  IsInt,
  IsOptional,
  IsString,
  Matches,
  MaxLength,
  Min,
  MinLength,
} from 'class-validator';
import { Type } from 'class-transformer';

export const BUSINESS_STATUSES = [
  'draft',
  'pending_review',
  'published',
  'hidden',
  'rejected',
] as const;

export type BusinessStatus = (typeof BUSINESS_STATUSES)[number];

export class CreateBusinessDto {
  @IsString()
  meshkeeBusinessId!: string;

  @IsString()
  @Matches(/^[a-z0-9]+(?:-[a-z0-9]+)*$/)
  @MaxLength(100)
  slug!: string;

  /** Written to Meshkee only (not stored in marketplace DB). */
  @IsOptional()
  @IsString()
  @MaxLength(255)
  name?: string;

  /** Meshkee business_category ids — written to Meshkee only. */
  @IsOptional()
  @IsArray()
  @IsString({ each: true })
  meshkeeCategoryIds?: string[];

  @IsOptional()
  @IsIn(BUSINESS_STATUSES)
  status?: BusinessStatus;

  @IsOptional()
  @IsBoolean()
  isFeatured?: boolean;

  @IsOptional()
  @Type(() => Number)
  @IsInt()
  sortWeight?: number;
}

/** Public shop signup: creates a NEW Meshkee business + IranBay marketplace listing. */
export class RegisterShopDto {
  @IsString()
  @MaxLength(255)
  name!: string;

  @IsOptional()
  @IsString()
  @Matches(/^[a-z0-9]+(?:-[a-z0-9]+)*$/)
  @MaxLength(100)
  slug?: string;

  @IsOptional()
  @IsString()
  @MaxLength(5000)
  about?: string;

  @IsOptional()
  @IsArray()
  @IsString({ each: true })
  meshkeeCategoryIds?: string[];

  /**
   * Account password confirmation — Meshkee create-owner updates password for
   * existing cells; must match the registrant’s current password.
   */
  @IsString()
  @MinLength(8)
  ownerPassword!: string;
}

export class UpdateBusinessDto {
  @IsOptional()
  @IsString()
  @Matches(/^[a-z0-9]+(?:-[a-z0-9]+)*$/)
  @MaxLength(100)
  slug?: string;

  /** Written to Meshkee only. */
  @IsOptional()
  @IsString()
  @MaxLength(255)
  name?: string;

  /** Meshkee business_category ids — written to Meshkee only. */
  @IsOptional()
  @IsArray()
  @IsString({ each: true })
  meshkeeCategoryIds?: string[];

  @IsOptional()
  @IsIn(BUSINESS_STATUSES)
  status?: BusinessStatus;

  @IsOptional()
  @IsBoolean()
  isFeatured?: boolean;

  @IsOptional()
  @Type(() => Number)
  @IsInt()
  sortWeight?: number;
}

export class ListBusinessesDto {
  @IsOptional()
  @IsString()
  q?: string;

  @IsOptional()
  @IsIn([...BUSINESS_STATUSES, 'all'])
  status?: BusinessStatus | 'all';

  @IsOptional()
  @IsBoolean()
  @Type(() => Boolean)
  featured?: boolean;

  @IsOptional()
  @Type(() => Number)
  @IsInt()
  @Min(1)
  page?: number;

  @IsOptional()
  @Type(() => Number)
  @IsInt()
  @Min(1)
  limit?: number;
}