import {
  IsArray,
  IsBoolean,
  IsIn,
  IsNumber,
  IsOptional,
  IsString,
  MinLength,
} from 'class-validator';

export class CreateLeadDto {
  @IsString()
  @MinLength(1)
  title!: string;

  @IsString()
  @MinLength(5)
  mobile!: string;

  @IsOptional() @IsString() contactName?: string;
  @IsOptional() @IsString() phone?: string;
  @IsOptional() @IsString() city?: string;
  @IsOptional() @IsString() region?: string;
  @IsOptional() @IsString() instagram?: string;
  @IsOptional() @IsString() birthDate?: string | null;
  @IsOptional() @IsArray() @IsString({ each: true }) addresses?: string[];
  @IsOptional() @IsString() trade?: string;
  @IsOptional() @IsString() source?: string;
  @IsOptional() @IsString() notes?: string;
  @IsOptional() @IsNumber() estimatedValue?: number;
  @IsOptional() @IsString() stageId?: string;
  @IsOptional() @IsString() assigneeId?: string | null;
  @IsOptional() @IsString() nextFollowUpAt?: string | null;
  /** فقط برای ایمپورت اکسل — تاریخ ثبت مبدأ */
  @IsOptional() @IsString() registeredAt?: string | null;
}

export class UpdateLeadDto {
  @IsOptional() @IsString() @MinLength(1) title?: string;
  @IsOptional() @IsString() @MinLength(5) mobile?: string;
  @IsOptional() @IsString() contactName?: string | null;
  @IsOptional() @IsString() phone?: string | null;
  @IsOptional() @IsString() city?: string | null;
  @IsOptional() @IsString() region?: string | null;
  @IsOptional() @IsString() instagram?: string | null;
  @IsOptional() @IsString() birthDate?: string | null;
  @IsOptional() @IsArray() @IsString({ each: true }) addresses?: string[];
  @IsOptional() @IsString() trade?: string | null;
  @IsOptional() @IsString() source?: string | null;
  @IsOptional() @IsString() notes?: string | null;
  @IsOptional() @IsNumber() estimatedValue?: number | null;
  @IsOptional() @IsString() stageId?: string;
  @IsOptional() @IsString() assigneeId?: string | null;
  @IsOptional() @IsString() nextFollowUpAt?: string | null;
  @IsOptional() @IsString() lastContactAt?: string | null;
}

export class MoveLeadDto {
  @IsString() stageId!: string;
  @IsOptional() @IsNumber() position?: number;
}

export class AssignLeadsDto {
  @IsArray() @IsString({ each: true }) leadIds!: string[];
  @IsString() assigneeId!: string;
}

export class BulkLeadStageDto {
  @IsArray() @IsString({ each: true }) leadIds!: string[];
  @IsString() stageId!: string;
}

export class AutoAssignLeadsDto {
  @IsOptional() @IsIn(['round_robin', 'equal_split']) rule?: string;
  @IsOptional() @IsArray() @IsString({ each: true }) leadIds?: string[];
  @IsOptional() @IsArray() @IsString({ each: true }) assigneeIds?: string[];
  @IsOptional() @IsBoolean() onlyUnassigned?: boolean;
}

export class LeadCallLogDto {
  @IsOptional() @IsString() outcome?: string;
  @IsOptional() @IsString() body?: string;
  @IsOptional() @IsString() nextFollowUpAt?: string | null;
  @IsOptional() @IsString() stageId?: string;
}

export class LeadNoteDto {
  @IsString() @MinLength(1) body!: string;
}

export class LeadFollowUpDto {
  @IsString() nextFollowUpAt!: string;
  @IsOptional() @IsString() body?: string;
}

export class ConvertLeadDto {
  @IsOptional() @IsString() firstName?: string;
  @IsOptional() @IsString() lastName?: string;
}

export class CreateLeadStageDto {
  @IsString() @MinLength(1) name!: string;
  @IsOptional() @IsString() color?: string;
  @IsOptional() @IsBoolean() showOnBoard?: boolean;
  @IsOptional() @IsBoolean() isConverted?: boolean;
  @IsOptional() @IsBoolean() isLost?: boolean;
  @IsOptional() @IsBoolean() isUnqualified?: boolean;
}

export class UpdateLeadStageDto {
  @IsOptional() @IsString() @MinLength(1) name?: string;
  @IsOptional() @IsString() color?: string;
  @IsOptional() @IsBoolean() showOnBoard?: boolean;
  @IsOptional() @IsBoolean() isConverted?: boolean;
  @IsOptional() @IsBoolean() isLost?: boolean;
  @IsOptional() @IsBoolean() isUnqualified?: boolean;
  @IsOptional() @IsNumber() position?: number;
}

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

export class ImportLeadsDto {
  @IsArray() rows!: Array<Record<string, unknown>>;
  @IsOptional() @IsString() fileName?: string;
}