// 환경별 배경 패턴 데이터
// ASCII Patrol 스타일 - 패럴렉스 스크롤링 배경

import 'package:asciineverdie/src/core/animation/background_layer.dart';

/// 환경별 배경 레이어 반환
List<BackgroundLayer> getBackgroundLayers(EnvironmentType environment) {
  return switch (environment) {
    EnvironmentType.town => _townLayers,
    EnvironmentType.forest => _forestLayers,
    EnvironmentType.cave => _caveLayers,
    EnvironmentType.dungeon => _dungeonLayers,
    EnvironmentType.tech => _techLayers,
    EnvironmentType.void_ => _voidLayers,
  };
}

// ============================================================================
// 마을 (Town) - 건물 실루엣
// ============================================================================
const _townLayers = [
  // 원경 - 하늘/별
  BackgroundLayer(
    lines: [r'. *  .   *  . *  .   *  . *  .   *  '],
    scrollSpeed: 0.05,
    yStart: 0,
  ),
  // 중경 - 건물 실루엣
  BackgroundLayer(
    lines: [
      r'   _|__|_      _|__|_      _|__|_   ',
      r'  |      |    |      |    |      |  ',
    ],
    scrollSpeed: 0.15,
    yStart: 1,
  ),
  // 전경 - 바닥
  BackgroundLayer(
    lines: [r'====[]====[]====[]====[]====[]====[]'],
    scrollSpeed: 0.3,
    yStart: 7,
  ),
];

// ============================================================================
// 숲 (Forest) - 나무
// ============================================================================
const _forestLayers = [
  // 원경 - 하늘/별
  BackgroundLayer(
    lines: [r'.  *  .    *   .  *  .    *   .  *  '],
    scrollSpeed: 0.05,
    yStart: 0,
  ),
  // 중경 - 나무 실루엣
  BackgroundLayer(
    lines: [
      r'   ,@@@,          ,@@,           ,@@@',
      r'  @@   @@        @@  @@         @@   ',
    ],
    scrollSpeed: 0.15,
    yStart: 1,
  ),
  // 전경 - 바닥
  BackgroundLayer(
    lines: [r'______________________________________'],
    scrollSpeed: 0.3,
    yStart: 7,
  ),
];

// ============================================================================
// 동굴 (Cave) - 바위
// ============================================================================
const _caveLayers = [
  // 천장
  BackgroundLayer(
    lines: [r'vvVVvvVVvvVVvvVVvvVVvvVVvvVVvvVVvvVV'],
    scrollSpeed: 0.1,
    yStart: 0,
  ),
  // 종유석
  BackgroundLayer(
    lines: [
      r'  |       V      |       V      |   ',
      r'  V              V              V   ',
    ],
    scrollSpeed: 0.15,
    yStart: 1,
  ),
  // 바닥 - 석순
  BackgroundLayer(
    lines: [r'^__/\__^__/\__^__/\__^__/\__^__/\__^'],
    scrollSpeed: 0.25,
    yStart: 7,
  ),
];

// ============================================================================
// 던전 (Dungeon) - 벽돌
// ============================================================================
const _dungeonLayers = [
  // 천장 - 벽돌
  BackgroundLayer(
    lines: [r'####|####|####|####|####|####|####|#'],
    scrollSpeed: 0.1,
    yStart: 0,
  ),
  // 횃불
  BackgroundLayer(
    lines: [
      r'      *           *           *     ',
      r'     )|          )|          )|     ',
    ],
    scrollSpeed: 0.15,
    yStart: 1,
  ),
  // 바닥 - 타일
  BackgroundLayer(
    lines: [r'====[]====[]====[]====[]====[]====[]'],
    scrollSpeed: 0.25,
    yStart: 7,
  ),
];

// ============================================================================
// 기술 (Tech) - 회로
// ============================================================================
const _techLayers = [
  // 상단 - 회로
  BackgroundLayer(
    lines: [r'-+-+-+-||-+-+-+-||-+-+-+-||-+-+-+-||'],
    scrollSpeed: 0.1,
    yStart: 0,
  ),
  // 데이터 스트림
  BackgroundLayer(
    lines: [
      r' 10110   01101   10110   01101   101',
      r'    01      10      01      10     ',
    ],
    scrollSpeed: 0.2,
    yStart: 2,
  ),
  // 바닥 - 패널
  BackgroundLayer(
    lines: [r'[====][====][====][====][====][====]'],
    scrollSpeed: 0.3,
    yStart: 7,
  ),
];

// ============================================================================
// 보이드 (Void) - 별/공허
// ============================================================================
const _voidLayers = [
  // 별
  BackgroundLayer(
    lines: [r'  *    .    *  .  *    .    *  .  * '],
    scrollSpeed: 0.03,
    yStart: 0,
  ),
  // 은하
  BackgroundLayer(
    lines: [
      r'     ~*~          ~*~          ~*~  ',
      r'   *~   ~*      *~   ~*      *~   ~*',
    ],
    scrollSpeed: 0.08,
    yStart: 2,
  ),
  // 심연
  BackgroundLayer(
    lines: [r'~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.'],
    scrollSpeed: 0.15,
    yStart: 7,
  ),
];