import {
  IsArray,
  IsBoolean,
  IsEmail,
  IsIn,
  IsInt,
  IsNumber,
  IsOptional,
  IsString,
  Max,
  MaxLength,
  Min,
  MinLength,
  ValidateIf,
} from 'class-validator';
import { PRODUCT_PLAN_CODES, USER_ROLES, type ProductPlanCode, type UserRole } from '@mento/shared';

export class PlatformLoginDto {
  @IsString()
  @MinLength(8)
  @MaxLength(40)
  mobile!: string;

  @IsString()
  @MinLength(6)
  password!: string;
}

export class CreatePlatformAdminDto {
  @IsString()
  @MinLength(2)
  @MaxLength(120)
  fullName!: string;

  @IsString()
  @MinLength(8)
  @MaxLength(40)
  mobile!: string;

  @IsString()
  @MinLength(8)
  @MaxLength(120)
  password!: string;

  @IsOptional()
  @IsEmail()
  email?: string;
}

export class ResetPlatformAdminPasswordDto {
  @IsString()
  @MinLength(8)
  @MaxLength(120)
  password!: string;
}

export class UpdatePlatformAdminDto {
  @IsString()
  @MinLength(2)
  @MaxLength(120)
  fullName!: string;

  @IsString()
  @MinLength(8)
  @MaxLength(40)
  mobile!: string;

  @IsOptional()
  @ValidateIf((_, value) => value !== null && value !== '')
  @IsEmail()
  email?: string | null;
}

export class SetMasterPasswordDto {
  @ValidateIf((_, value) => value !== null)
  @IsString()
  @MinLength(8)
  @MaxLength(120)
  password!: string | null;
}

export class UpdatePlatformStatusDto {
  @IsBoolean()
  isActive!: boolean;
}

export class CreatePlatformOrganizationDto {
  @IsString()
  @MinLength(2)
  @MaxLength(120)
  name!: string;

  @IsOptional()
  @IsString()
  @MaxLength(64)
  businessField?: string;

  @IsString()
  @MinLength(2)
  @MaxLength(120)
  ownerFullName!: string;

  @IsEmail()
  ownerEmail!: string;

  @IsString()
  @MinLength(8)
  @MaxLength(120)
  ownerPassword!: string;

  @IsOptional()
  @IsString()
  @MaxLength(40)
  ownerMobile?: string;
}

export class UpdatePlatformOrganizationDto {
  @IsOptional()
  @IsString()
  @MinLength(2)
  @MaxLength(120)
  name?: string;

  @IsOptional()
  @IsString()
  @MinLength(2)
  @MaxLength(64)
  slug?: string;

  @IsOptional()
  @ValidateIf((_, v) => v !== null && v !== undefined)
  @IsString()
  @MaxLength(64)
  businessField?: string | null;

  @IsOptional()
  @IsBoolean()
  isActive?: boolean;
}

export class UpdatePlatformMembershipRoleDto {
  @IsIn(USER_ROLES)
  role!: UserRole;
}

export class ResetPlatformUserPasswordDto {
  @IsString()
  @MinLength(8)
  @MaxLength(120)
  password!: string;
}

export class ApplyBillingPlanDto {
  @IsIn(['trial', 'monthly', 'quarterly', 'semiannual', 'yearly', 'lifetime', 'custom'])
  planCode!: 'trial' | 'monthly' | 'quarterly' | 'semiannual' | 'yearly' | 'lifetime' | 'custom';

  @IsOptional()
  @IsInt()
  @Min(1)
  maxOrganizations?: number;

  @IsOptional()
  @IsString()
  expiresAt?: string;

  @IsOptional()
  @IsString()
  @MaxLength(500)
  notes?: string | null;

  @IsOptional()
  @IsIn(['active', 'expired', 'suspended'])
  status?: 'active' | 'expired' | 'suspended';
}

export class SetUserCapDto {
  @IsInt()
  @Min(1)
  @Max(100_000)
  maxUsers!: number;
}

export class SetStorageQuotaDto {
  /** گیگابایت؛ null = بدون سقف */
  @IsNumber()
  @Min(0)
  @Max(100_000)
  @ValidateIf((_, value) => value !== null)
  quotaGb!: number | null;
}

export class ApplyProductPlanDto {
  @IsIn(PRODUCT_PLAN_CODES)
  planCode!: ProductPlanCode;
}

export class UpdateOrgModulesDto {
  @IsArray()
  @IsString({ each: true })
  enabledModules!: string[];
}