import { AstrolabeData, PalaceData, StaticReport, StarData, RuleEvidence } from './types';

// 基础吉煞星分类
const JI_XING = ['左辅', '右弼', '文昌', '文曲', '天魁', '天钺', '禄存', '天马'];
const SHA_XING = ['擎羊', '陀罗', '火星', '铃星', '地空', '地劫'];

export class StaticAnalyzer {
  private astrolabe: AstrolabeData;
  private version = 'static-v2.0.0';

  constructor(astrolabe: AstrolabeData) {
    this.astrolabe = astrolabe;
  }

  public analyze(): StaticReport {
    return {
      starsStatus: this.analyzeStarsStatus(),
      patterns: this.analyzePatterns(),
      topics: {
        career: this.analyzeTopic('官禄宫', '事业'),
        wealth: this.analyzeTopic('财帛宫', '财富'),
        marriage: this.analyzeTopic('夫妻宫', '婚姻'),
        health: this.analyzeTopic('疾厄宫', '健康'),
        property: this.analyzeTopic('田宅宫', '资产'),
      },
      interactions: this.analyzeInteractions(),
      bodyMindLink: this.analyzeBodyMindLink(),
    };
  }

  // 1. 星曜状态统计（全盘）
  private analyzeStarsStatus() {
    let miaoWangCount = 0;
    let pingXianCount = 0;
    let jiXingCount = 0;
    let shaXingCount = 0;

    this.astrolabe.palaces.forEach((palace) => {
      palace.majorStars.forEach((star) => {
        if (['庙', '旺'].includes(star.brightness || '')) miaoWangCount++;
        if (['平', '陷', '不'].includes(star.brightness || '')) pingXianCount++;
      });
      palace.minorStars.forEach((star) => {
        if (JI_XING.includes(star.name)) jiXingCount++;
        if (SHA_XING.includes(star.name)) shaXingCount++;
      });
    });

    return { miaoWangCount, pingXianCount, jiXingCount, shaXingCount };
  }

  // 2. 深度格局识别 (带证据链)
  private analyzePatterns(): RuleEvidence[] {
    const patterns: RuleEvidence[] = [];
    const mingGong = this.getPalaceByName('命宫');
    if (!mingGong) return patterns;

    const sanFangStars = this.getSanFangSiZhengStars(mingGong);
    const starNames = sanFangStars.map(s => s.name);
    const mingGongStars = mingGong.majorStars.map(s => s.name);
    
    // 机月同梁
    if (this.containsAll(starNames, ['天机', '太阴', '天同', '天梁'])) {
      patterns.push({
        ruleId: 'ZW_STATIC_PATTERN_JIYUETONGLIANG_v1',
        title: '机月同梁格',
        type: 'static',
        description: '心思细腻，善于谋划，适合在大企业或政府机关做幕僚、参谋，不利于自己出头做老板。',
        boardEvidence: ['命宫三方四正凑齐天机、太阴、天同、天梁'],
        conflicts: this.containsAny(starNames, SHA_XING) ? ['见煞星，心思易生变，多思多虑'] : [],
        scoreImpact: 15,
        tags: ['事业', '性格'],
        version: this.version
      });
    }
    
    // 杀破狼
    if (this.containsAny(mingGongStars, ['七杀', '破军', '贪狼'])) {
      patterns.push({
        ruleId: 'ZW_STATIC_PATTERN_SHAPOLANG_v1',
        title: '杀破狼格',
        type: 'static',
        description: '主变动、开创，一生起伏较大，不甘人后，适合军警、武职或开创性极强的行业。',
        boardEvidence: [`命宫主星见${mingGongStars.filter(s => ['七杀', '破军', '贪狼'].includes(s)).join('、')}`],
        conflicts: this.containsAll(mingGongStars, ['火星']) ? ['逢火星，主横发横破，需见好就收'] : [],
        scoreImpact: 10,
        tags: ['事业', '性格'],
        version: this.version
      });
    }

    // 紫府同宫
    if (this.containsAll(mingGongStars, ['紫微', '天府'])) {
      patterns.push({
        ruleId: 'ZW_STATIC_PATTERN_ZIFUTONGGONG_v1',
        title: '紫府同宫格',
        type: 'static',
        description: '为人清高保守，好面子。主孤高，容易曲高和寡。',
        boardEvidence: ['命宫同见紫微、天府两大主星'],
        conflicts: [],
        scoreImpact: 15,
        tags: ['性格'],
        version: this.version
      });
    }

    // 铃贪/火贪
    if (this.containsAll(starNames, ['贪狼', '火星'])) {
      patterns.push({
        ruleId: 'ZW_STATIC_PATTERN_HUOTAN_v1',
        title: '火贪格',
        type: 'static',
        description: '主横发爆发。发家之后需守成置产，切勿持续冒险。',
        boardEvidence: ['命宫三方四正见贪狼与火星交会'],
        conflicts: this.containsAny(starNames, ['地空', '地劫']) ? ['遇空劫，爆发力大减'] : [],
        scoreImpact: 20,
        tags: ['财富', '事业'],
        version: this.version
      });
    } else if (this.containsAll(starNames, ['贪狼', '铃星'])) {
      patterns.push({
        ruleId: 'ZW_STATIC_PATTERN_LINGTAN_v1',
        title: '铃贪格',
        type: 'static',
        description: '主暗发，闷声发大财。需保持低调，不可炫耀。',
        boardEvidence: ['命宫三方四正见贪狼与铃星交会'],
        conflicts: this.containsAny(starNames, ['地空', '地劫']) ? ['遇空劫，横发变虚花'] : [],
        scoreImpact: 20,
        tags: ['财富'],
        version: this.version
      });
    }

    return patterns;
  }

  // 3. 专题宫位深度拆解
  private analyzeTopic(palaceName: string, tag: string): RuleEvidence[] {
    const evidences: RuleEvidence[] = [];
    const palace = this.getPalaceByName(palaceName);
    if (!palace) return evidences;

    const stars = this.getSanFangSiZhengStars(palace);
    const starNames = stars.map(s => s.name);
    
    const jiCount = stars.filter(s => JI_XING.includes(s.name)).length;
    const shaCount = stars.filter(s => SHA_XING.includes(s.name)).length;

    if (jiCount >= 3) {
      evidences.push({
        ruleId: `ZW_STATIC_TOPIC_JI_${tag.toUpperCase()}_v1`,
        title: `${tag}得力 (三方吉星云集)`,
        type: 'static',
        description: `在${tag}领域能获得极大外界助力，事半功倍。`,
        boardEvidence: [`${palaceName}三方四正汇聚${jiCount}颗吉星`],
        scoreImpact: 10,
        tags: [tag],
        version: this.version
      });
    }

    if (shaCount >= 3) {
      evidences.push({
        ruleId: `ZW_STATIC_TOPIC_SHA_${tag.toUpperCase()}_v1`,
        title: `${tag}波折 (三方煞星交冲)`,
        type: 'static',
        description: `在${tag}领域阻碍颇多，需付出数倍努力方能有成。`,
        boardEvidence: [`${palaceName}三方四正逢${shaCount}颗煞星冲破`],
        scoreImpact: -15,
        tags: [tag],
        version: this.version
      });
    }

    // 特定星曜组合 (举例)
    if (tag === '财富' && this.containsAll(starNames, ['武曲', '贪狼'])) {
       evidences.push({
        ruleId: `ZW_STATIC_TOPIC_WU_TAN_CAI_v1`,
        title: `武贪照财帛`,
        type: 'static',
        description: `武曲贪狼临财，主晚发，三十岁后财运渐入佳境。`,
        boardEvidence: [`财帛宫三方见武曲、贪狼`],
        scoreImpact: 10,
        tags: [tag],
        version: this.version
      });
    }

    return evidences;
  }

  // 4. 夹拱对拱特征
  private analyzeInteractions(): RuleEvidence[] {
    const interactions: RuleEvidence[] = [];
    const mingGong = this.getPalaceByName('命宫');
    if (!mingGong) return interactions;

    const prevIndex = (mingGong.index + 11) % 12;
    const nextIndex = (mingGong.index + 1) % 12;
    const prevPalace = this.astrolabe.palaces.find(p => p.index === prevIndex);
    const nextPalace = this.astrolabe.palaces.find(p => p.index === nextIndex);

    if (prevPalace && nextPalace) {
      const prevStars = [...prevPalace.majorStars, ...prevPalace.minorStars].map(s => s.name);
      const nextStars = [...nextPalace.majorStars, ...nextPalace.minorStars].map(s => s.name);

      // 双禄夹命
      if (
        (prevStars.includes('禄存') && nextStars.some(s => this.hasMutagen(nextPalace, '禄'))) ||
        (nextStars.includes('禄存') && prevStars.some(s => this.hasMutagen(prevPalace, '禄')))
      ) {
        interactions.push({
          ruleId: 'ZW_STATIC_JIA_SHUANGLU_v1',
          title: '双禄夹命',
          type: 'static',
          description: '生来带有极好的财运与资源背景，左右逢源。',
          boardEvidence: [`${prevPalace.name}与${nextPalace.name}见禄存与化禄夹命`],
          scoreImpact: 20,
          tags: ['财富', '事业'],
          version: this.version
        });
      }

      // 羊陀夹命
      if ((prevStars.includes('擎羊') && nextStars.includes('陀罗')) || (prevStars.includes('陀罗') && nextStars.includes('擎羊'))) {
        interactions.push({
          ruleId: 'ZW_STATIC_JIA_YANGTUO_v1',
          title: '羊陀夹命',
          type: 'static',
          description: '命局易受环境或他人掣肘，发展常感受限。',
          boardEvidence: [`${prevPalace.name}与${nextPalace.name}见擎羊与陀罗夹命`],
          scoreImpact: -10,
          tags: ['事业', '性格'],
          version: this.version
        });
      }
    }

    return interactions;
  }

  // 5. 身命联动
  private analyzeBodyMindLink(): RuleEvidence[] {
    const evidences: RuleEvidence[] = [];
    const shenGong = this.astrolabe.palaces.find(p => p.name.includes('身宫')); 
    
    if (shenGong) {
      const isMingShenSame = shenGong.name.includes('命宫');
      
      if (isMingShenSame) {
        evidences.push({
          ruleId: 'ZW_STATIC_LINK_MINGSHEN_SAME_v1',
          title: '命身同宫',
          type: 'static',
          description: '先天禀赋与后天追求高度一致，性格执着，不易受外界改变。',
          boardEvidence: ['身宫与命宫同度'],
          scoreImpact: 0,
          tags: ['性格'],
          version: this.version
        });
      } else {
        const baseName = shenGong.name.replace('(身宫)', '').trim();
        evidences.push({
          ruleId: `ZW_STATIC_LINK_SHEN_${baseName}_v1`,
          title: `身入${baseName}`,
          type: 'static',
          description: `后天（三十岁后）的发展重心与价值观强烈倾向于${baseName}相关的领域。`,
          boardEvidence: [`身宫落在${baseName}`],
          scoreImpact: 0,
          tags: ['性格', '事业'],
          version: this.version
        });
      }
    }

    return evidences;
  }

  // Helper 方法
  private getPalaceByName(name: string): PalaceData | undefined {
    return this.astrolabe.palaces.find(p => p.name.startsWith(name));
  }

  private getSanFangSiZhengStars(palace: PalaceData): StarData[] {
    const idx = palace.index;
    const indices = [
      idx,
      (idx + 4) % 12, // 三合1
      (idx + 8) % 12, // 三合2
      (idx + 6) % 12, // 对宫
    ];

    const stars: StarData[] = [];
    indices.forEach(i => {
      const p = this.astrolabe.palaces.find(p => p.index === i);
      if (p) {
        stars.push(...p.majorStars, ...p.minorStars);
      }
    });
    return stars;
  }

  private containsAll(arr: string[], targets: string[]): boolean {
    return targets.every(t => arr.includes(t));
  }

  private containsAny(arr: string[], targets: string[]): boolean {
    return targets.some(t => arr.includes(t));
  }

  private hasMutagen(palace: PalaceData, mutagen: string): boolean {
    return [...palace.majorStars, ...palace.minorStars].some(s => s.mutagen === mutagen);
  }
}