import 'package:askiineverdie/src/core/model/skill.dart';

/// 게임 내 스킬 정의
///
/// 프로그래밍 테마에 맞춘 스킬 목록
class SkillData {
  SkillData._();

  // ============================================================================
  // 공격 스킬
  // ============================================================================

  /// Debug Strike - 기본 공격 스킬
  static const debugStrike = Skill(
    id: 'debug_strike',
    name: 'Debug Strike',
    type: SkillType.attack,
    mpCost: 10,
    cooldownMs: 3000, // 3초
    power: 15,
    damageMultiplier: 1.5,
  );

  /// Memory Leak - 방어력 감소 효과
  static const memoryLeak = Skill(
    id: 'memory_leak',
    name: 'Memory Leak',
    type: SkillType.attack,
    mpCost: 25,
    cooldownMs: 8000, // 8초
    power: 25,
    damageMultiplier: 2.5,
    targetDefReduction: 0.2, // 적 방어력 -20%
  );

  /// Core Dump - 강력한 공격
  static const coreDump = Skill(
    id: 'core_dump',
    name: 'Core Dump',
    type: SkillType.attack,
    mpCost: 50,
    cooldownMs: 20000, // 20초
    power: 40,
    damageMultiplier: 4.0,
  );

  /// Kernel Panic - 최강 공격 (자해 데미지)
  static const kernelPanic = Skill(
    id: 'kernel_panic',
    name: 'Kernel Panic',
    type: SkillType.attack,
    mpCost: 100,
    cooldownMs: 60000, // 60초
    power: 80,
    damageMultiplier: 8.0,
    selfDamagePercent: 0.1, // 자신 HP -10%
  );

  /// Stack Overflow - 중급 공격
  static const stackOverflow = Skill(
    id: 'stack_overflow',
    name: 'Stack Overflow',
    type: SkillType.attack,
    mpCost: 35,
    cooldownMs: 12000, // 12초
    power: 30,
    damageMultiplier: 3.0,
  );

  /// Null Pointer - 빠른 공격
  static const nullPointer = Skill(
    id: 'null_pointer',
    name: 'Null Pointer',
    type: SkillType.attack,
    mpCost: 15,
    cooldownMs: 4000, // 4초
    power: 18,
    damageMultiplier: 1.8,
  );

  // ============================================================================
  // 회복 스킬
  // ============================================================================

  /// Hot Reload - HP 회복
  static const hotReload = Skill(
    id: 'hot_reload',
    name: 'Hot Reload',
    type: SkillType.heal,
    mpCost: 20,
    cooldownMs: 10000, // 10초
    power: 0,
    healPercent: 0.3, // HP 30% 회복
  );

  /// Garbage Collection - 대량 회복
  static const garbageCollection = Skill(
    id: 'garbage_collection',
    name: 'Garbage Collection',
    type: SkillType.heal,
    mpCost: 45,
    cooldownMs: 25000, // 25초
    power: 0,
    healPercent: 0.5, // HP 50% 회복
  );

  /// Quick Fix - 빠른 소량 회복
  static const quickFix = Skill(
    id: 'quick_fix',
    name: 'Quick Fix',
    type: SkillType.heal,
    mpCost: 10,
    cooldownMs: 5000, // 5초
    power: 0,
    healAmount: 20, // 고정 20 회복
  );

  // ============================================================================
  // 버프 스킬
  // ============================================================================

  /// Safe Mode - 방어 버프
  static const safeMode = Skill(
    id: 'safe_mode',
    name: 'Safe Mode',
    type: SkillType.buff,
    mpCost: 30,
    cooldownMs: 30000, // 30초
    power: 0,
    buff: BuffEffect(
      id: 'safe_mode_buff',
      name: 'Safe Mode',
      durationMs: 10000, // 10초 지속
      defModifier: 0.5, // 방어력 +50%
    ),
  );

  /// Overclock - 공격 버프
  static const overclock = Skill(
    id: 'overclock',
    name: 'Overclock',
    type: SkillType.buff,
    mpCost: 25,
    cooldownMs: 25000, // 25초
    power: 0,
    buff: BuffEffect(
      id: 'overclock_buff',
      name: 'Overclock',
      durationMs: 8000, // 8초 지속
      atkModifier: 0.4, // 공격력 +40%
      criRateModifier: 0.1, // 크리티컬 +10%
    ),
  );

  /// Firewall - 회피 버프
  static const firewall = Skill(
    id: 'firewall',
    name: 'Firewall',
    type: SkillType.buff,
    mpCost: 20,
    cooldownMs: 20000, // 20초
    power: 0,
    buff: BuffEffect(
      id: 'firewall_buff',
      name: 'Firewall',
      durationMs: 12000, // 12초 지속
      evasionModifier: 0.15, // 회피율 +15%
      defModifier: 0.2, // 방어력 +20%
    ),
  );

  // ============================================================================
  // 스킬 목록
  // ============================================================================

  /// 모든 스킬 목록
  static const List<Skill> allSkills = [
    // 공격 스킬
    debugStrike,
    nullPointer,
    memoryLeak,
    stackOverflow,
    coreDump,
    kernelPanic,
    // 회복 스킬
    quickFix,
    hotReload,
    garbageCollection,
    // 버프 스킬
    overclock,
    safeMode,
    firewall,
  ];

  /// ID로 스킬 찾기
  static Skill? getSkillById(String id) {
    for (final skill in allSkills) {
      if (skill.id == id) return skill;
    }
    return null;
  }

  /// 타입별 스킬 목록
  static List<Skill> getSkillsByType(SkillType type) {
    return allSkills.where((s) => s.type == type).toList();
  }

  /// 공격 스킬 목록 (MP 효율순 정렬)
  static List<Skill> get attackSkillsByEfficiency {
    final attacks = getSkillsByType(SkillType.attack);
    attacks.sort((a, b) => b.mpEfficiency.compareTo(a.mpEfficiency));
    return attacks;
  }

  /// 회복 스킬 목록
  static List<Skill> get healSkills => getSkillsByType(SkillType.heal);

  /// 버프 스킬 목록
  static List<Skill> get buffSkills => getSkillsByType(SkillType.buff);

  /// 기본 스킬 세트 (새 캐릭터용)
  static List<String> get defaultSkillIds => [
    debugStrike.id,
    quickFix.id,
  ];

  /// MP 비용 이하의 사용 가능한 공격 스킬
  static List<Skill> getAffordableAttackSkills(int currentMp) {
    return getSkillsByType(SkillType.attack)
        .where((s) => s.mpCost <= currentMp)
        .toList();
  }
}