import { ApiProperty } from "@nestjs/swagger";
import { Type } from "class-transformer";
import {
    ArrayNotEmpty,
    ArrayUnique,
    IsArray,
    IsEmail,
    IsISO8601,
    IsNumber,
    IsOptional,
    IsString,
    Max,
    Min,
} from "class-validator";

export class UpsertVacationDto {
    @ApiProperty({ example: "jane.doe@example.com" })
    @IsEmail()
    email!: string;

    @ApiProperty({
        type: [String],
        example: ["2025-07-14", "2025-07-15"],
        description: "ISO dates that represent the vacation request.",
    })
    @IsArray()
    @ArrayNotEmpty()
    @ArrayUnique()
    @IsISO8601({}, { each: true })
    dates!: string[];

    @ApiProperty({
        required: false,
        example: "Summer break",
        description: "Optional comment applied to every date.",
    })
    @IsOptional()
    @IsString()
    comment?: string;

    @ApiProperty({
        required: false,
        example: 8,
        description: "Hours requested per day. Used as default when creating shifts.",
    })
    @IsOptional()
    @Type(() => Number)
    @IsNumber({ maxDecimalPlaces: 2 })
    @Min(0)
    @Max(24)
    requested_hours?: number;
}