import { ApiProperty, PartialType } from '@nestjs/swagger';
import { IsArray, IsBoolean, IsDateString, IsEnum, IsInt, IsNotEmpty, IsOptional, IsString, IsUUID, Min, Max } from 'class-validator';
import { WorkoutItemType, WorkoutExerciseStatus } from '../models/workout-exercise.model';

export class CreateWorkoutExerciseDto {
  @ApiProperty({ description: '关联的动作key（仅exercise类型需要）', required: false })
  @IsString()
  @IsOptional()
  exerciseKey?: string;

  @ApiProperty({ description: '项目名称' })
  @IsString()
  @IsNotEmpty()
  name: string;

  @ApiProperty({ description: '计划组数', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  plannedSets?: number;

  @ApiProperty({ description: '计划重复次数', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  plannedReps?: number;

  @ApiProperty({ description: '计划持续时长(秒)', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  plannedDurationSec?: number;

  @ApiProperty({ description: '休息时长(秒)', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  restSec?: number;

  @ApiProperty({ description: '备注', required: false })
  @IsString()
  @IsOptional()
  note?: string;

  @ApiProperty({
    enum: ['exercise', 'rest', 'note'],
    description: '项目类型',
    default: 'exercise',
    required: false
  })
  @IsEnum(['exercise', 'rest', 'note'])
  @IsOptional()
  itemType?: WorkoutItemType;
}

export class UpdateWorkoutExerciseDto extends PartialType(CreateWorkoutExerciseDto) {
  @ApiProperty({ description: '实际完成组数', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  completedSets?: number;

  @ApiProperty({ description: '实际完成重复次数', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  completedReps?: number;

  @ApiProperty({ description: '实际持续时长(秒)', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  actualDurationSec?: number;

  @ApiProperty({ enum: ['pending', 'in_progress', 'completed', 'skipped'], required: false })
  @IsEnum(['pending', 'in_progress', 'completed', 'skipped'])
  @IsOptional()
  status?: WorkoutExerciseStatus;
}

export class StartWorkoutExerciseDto {
  @ApiProperty({ description: '开始时间', required: false })
  @IsDateString()
  @IsOptional()
  startedAt?: string;
}

export class CompleteWorkoutExerciseDto {
  @ApiProperty({ description: '实际完成组数', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  completedSets?: number;

  @ApiProperty({ description: '实际完成重复次数', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  completedReps?: number;

  @ApiProperty({ description: '实际持续时长(秒)', required: false })
  @IsInt()
  @Min(0)
  @IsOptional()
  actualDurationSec?: number;

  @ApiProperty({ description: '完成时间', required: false })
  @IsDateString()
  @IsOptional()
  completedAt?: string;

  @ApiProperty({ description: '详细执行数据', required: false })
  @IsOptional()
  performanceData?: {
    sets?: Array<{
      reps?: number;
      weight?: number;
      duration?: number;
      restTime?: number;
      difficulty?: number;
      notes?: string;
    }>;
    heartRate?: {
      avg?: number;
      max?: number;
    };
    perceivedExertion?: number;
  };
}

export class UpdateWorkoutExerciseOrderDto {
  @ApiProperty({ description: '动作ID列表，按新的顺序排列' })
  @IsArray()
  @IsString({ each: true })
  exerciseIds: string[];
}

export class WorkoutExerciseResponseDto {
  @ApiProperty() id: string;
  @ApiProperty() workoutSessionId: string;
  @ApiProperty() userId: string;
  @ApiProperty({ required: false }) exerciseKey?: string;
  @ApiProperty() name: string;
  @ApiProperty({ required: false }) plannedSets?: number;
  @ApiProperty({ required: false }) completedSets?: number;
  @ApiProperty({ required: false }) plannedReps?: number;
  @ApiProperty({ required: false }) completedReps?: number;
  @ApiProperty({ required: false }) plannedDurationSec?: number;
  @ApiProperty({ required: false }) actualDurationSec?: number;
  @ApiProperty({ required: false }) restSec?: number;
  @ApiProperty({ required: false }) note?: string;
  @ApiProperty({ enum: ['exercise', 'rest', 'note'] }) itemType: WorkoutItemType;
  @ApiProperty({ enum: ['pending', 'in_progress', 'completed', 'skipped'] }) status: WorkoutExerciseStatus;
  @ApiProperty() sortOrder: number;
  @ApiProperty({ required: false }) startedAt?: Date;
  @ApiProperty({ required: false }) completedAt?: Date;
  @ApiProperty({ required: false }) performanceData?: any;
  @ApiProperty() createdAt: Date;
  @ApiProperty() updatedAt: Date;

  // 关联的动作信息（仅exercise类型时存在）
  @ApiProperty({ required: false })
  exercise?: {
    key: string;
    name: string;
    description: string;
    categoryKey: string;
    categoryName: string;
  };
}