# All files / config models-validator.ts

0% Statements 0/221
0% Branches 0/1
0% Functions 0/1
0% Lines 0/221

Press n or j to go to the next uncovered block, b, p or k for the previous block.

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86
    87
    88
    89
    90
    91
    92
    93
    94
    95
    96
    97
    98
    99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110
    111
    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126
    127
    128
    129
    130
    131
    132
    133
    134
    135
    136
    137
    138
    139
    140
    141
    142
    143
    144
    145
    146
    147
    148
    149
    150
    151
    152
    153
    154
    155
    156
    157
    158
    159
    160
    161
    162
    163
    164
    165
    166
    167
    168
    169
    170
    171
    172
    173
    174
    175
    176
    177
    178
    179
    180
    181
    182
    183
    184
    185
    186
    187
    188
    189
    190
    191
    192
    193
    194
    195
    196
    197
    198
    199
    200
    201
    202
    203
    204
    205
    206
    207
    208
    209
    210
    211
    212
    213
    214
    215
    216
    217
    218
    219
    220
    221
    222
    223
    224
    225
    226
    227
    228
    229
    230
    231
    232
    233
    234
    235
    236
    237
    238
    239
    240
    241
    242
    243
    244
    245
    246
    247
    248
    249
    250
    251
    252
    253
    254
    255
    256
    257
    258
    259
    260
    261
    262
    263
    264
    265
    266
    267
    268
    269
    270
    271
    272
    273
    274
    275
    276
    277
    278
    279
    280
    281
    282
    283
    284
    285
    286
    287
    288
    289
    290
    291
    292
    293
    294
    295
    296
    297
    298
    299
    300
    301
    302
    303
    304
    305
    306
    307
    308
    309
    310
    311
    312
    313
    314
    315
    316
    317
    318
    319
    320
    321
    322
    323
    324
    325
    326
    327
    328
    329
    330
    331
    332
    333
    334
    335
    336
    337
    338
    339
    340
    341
    342
    343
    344
    345
    346
    347
    348
    349
    350
    351
    352
    353
    354

     /**
     * 模型配置校验工具
     *
     * 两层校验：
     * 1. 结构校验（JSON Schema）- 检查必填字段、枚举值、格式
     * 2. 可用性校验（API 测试）- 检查模型是否真正可用
     */

    import { ChatOpenAI } from '@langchain/openai';
    import { config } from './index';
    import fs from 'fs';
    import path from 'path';
    import { log } from '../services/logger.service';

    // ============ 结构校验（无需外部依赖）============

    const ALLOWED_INPUTS = ['text', 'tts', 'image', 'video'];
    const ALLOWED_API_TYPES = ['openai-chat'];

    interface ValidationIssue {
      severity: 'error' | 'warn';
      path: string;       // JSON path, e.g. "vendors.minimax.models[0]"
      message: string;
      fix?: string;
    }

    /**
     * 校验 models.json 结构（启动时调用，不依赖外部 API）
     * 返回 issues 列表，error=必须修复，warn=建议修复
     */
    function validateModelsJsonStructure(): ValidationIssue[] {
      const issues: ValidationIssue[] = [];
      const models = config.models as any;

      if (!models?.vendors) {
        issues.push({ severity: 'error', path: 'vendors', message: '缺少 vendors 配置' });
        return issues;
      }

      for (const [vendorKey, vendorData] of Object.entries(models.vendors) as [string, any][]) {
        // 检查必填字段
        if (!vendorData.name) {
          issues.push({ severity: 'warn', path: `vendors.${vendorKey}`, message: '缺少 name 字段' });
        }
        if (!vendorData.apiKey) {
          issues.push({ severity: 'error', path: `vendors.${vendorKey}.apiKey`, message: '缺少 apiKey 字段' });
        }
        if (!vendorData.baseUrl) {
          issues.push({ severity: 'warn', path: `vendors.${vendorKey}.baseUrl`, message: '缺少 baseUrl 字段' });
        }

        // 检查 models 数组
        const modelsArr = vendorData.models || [];
        if (!Array.isArray(modelsArr)) {
          issues.push({ severity: 'error', path: `vendors.${vendorKey}.models`, message: 'models 必须是数组' });
          continue;
        }

        const seenIds = new Set<string>();
        for (let i = 0; i < modelsArr.length; i++) {
          const model = modelsArr[i];
          const modelPath = `vendors.${vendorKey}.models[${i}]`;

          // 检查 id
          if (!model.id) {
            issues.push({ severity: 'error', path: modelPath, message: '缺少 id 字段' });
            continue;
          }

          // 检查 id 重复
          if (seenIds.has(model.id)) {
            issues.push({ severity: 'error', path: modelPath, message: `id 重复: ${model.id}` });
          }
          seenIds.add(model.id);

          // 检查 input 字段
          if (!model.input) {
            issues.push({ severity: 'error', path: modelPath, message: '缺少 input 字段' });
          } else if (!Array.isArray(model.input)) {
            issues.push({ severity: 'error', path: modelPath, message: `input 必须是数组，当前为 ${typeof model.input}` });
          } else {
            for (const inputVal of model.input) {
              if (!ALLOWED_INPUTS.includes(inputVal)) {
                issues.push({
                  severity: 'warn',
                  path: `${modelPath}.input`,
                  message: `input 包含未知值 "${inputVal}"，可选值: ${ALLOWED_INPUTS.join(', ')}`,
                  fix: `移除 "${inputVal}" 或使用允许的值`,
                });
              }
            }
          }

          // TTS 模型必须检查
          if (model.input?.includes('tts')) {
            if (!model.enabled) {
              issues.push({ severity: 'warn', path: modelPath, message: `TTS 模型 ${model.id} 已禁用` });
            }
            if (!model.maxTextLength) {
              issues.push({ severity: 'warn', path: modelPath, message: `TTS 模型 ${model.id} 缺少 maxTextLength，将使用默认值 1000` });
            }
          }

          // text 模型必须检查
          if (model.input?.includes('text')) {
            if (model.enabled && !vendorData.apiKey) {
              issues.push({ severity: 'error', path: modelPath, message: `文本模型 ${model.id} 启用但 vendor 缺少 apiKey` });
            }
          }
        }
      }

      // 检查顶层配置
      if (!models.textGeneration?.defaultModel) {
        issues.push({ severity: 'warn', path: 'textGeneration.defaultModel', message: '缺少默认文本模型配置' });
      }
      if (!models.tts?.defaultModel) {
        issues.push({ severity: 'warn', path: 'tts.defaultModel', message: '缺少默认 TTS 模型配置' });
      }

      return issues;
    }

    /**
     * 打印校验结果（友好格式）
     */
    function printValidationReport(issues: ValidationIssue[]): void {
      if (issues.length === 0) {
        log.info('✅ models.json 结构校验通过');
        return;
      }

      const errors = issues.filter(i => i.severity === 'error');
      const warnings = issues.filter(i => i.severity === 'warn');

      if (errors.length > 0) {
        log.error(`❌ models.json 结构校验失败 (${errors.length} 个错误):`);
        for (const issue of errors) {
          log.error(`   [${issue.path}] ${issue.message}`);
          if (issue.fix) log.error(`      修复: ${issue.fix}`);
        }
      }

      if (warnings.length > 0) {
        log.warn(`⚠️  models.json 结构校验警告 (${warnings.length} 个):`);
        for (const issue of warnings) {
          log.warn(`   [${issue.path}] ${issue.message}`);
          if (issue.fix) log.warn(`      修复: ${issue.fix}`);
        }
      }
    }

    // ============ 可用性校验（需要外部 API）============

    // ============ 可用性校验（需要外部 API）============

    interface ModelValidationResult {
      id: string;
      name: string;
      input: string[];
      vendor: string;
      available: boolean;
      error?: string;
      responseTime?: number; // 毫秒
    }

    interface ValidationReport {
      timestamp: string;
      totalModels: number;
      availableModels: number;
      unavailableModels: number;
      results: ModelValidationResult[];
    }

    /**
     * 验证单个模型是否可用
     */
    async function validateModel(model: any): Promise<ModelValidationResult> {
      const result: ModelValidationResult = {
        id: model.id,
        name: model.name,
        input: model.input,
        vendor: model.vendorName || model.vendor,
        available: false,
      };

      // 检查 baseUrl 和 apiKey（现在在 vendor 级别，通过 config 注入到 model）
      if (!model.apiKey || !model.baseUrl) {
        result.error = '缺少 apiKey 或 baseUrl';
        return result;
      }

      const startTime = Date.now();

      try {
        // 只有 text 类型用 LangChain 测试
        if (model.input?.includes('text')) {
          const llm = new ChatOpenAI({
            model: model.id,
            apiKey: model.apiKey,
            configuration: { baseURL: model.baseUrl },
            temperature: 0.7,
            timeout: 15000,
          });
          await llm.invoke('你好');
        } else {
          // TTS/Image/Video 暂时标记为待验证（需要不同的 SDK）
          result.available = false;
          result.responseTime = Date.now() - startTime;
          result.error = '需要手动验证';
          return result;
        }

        result.available = true;
        result.responseTime = Date.now() - startTime;
      } catch (error: any) {
        result.responseTime = Date.now() - startTime;
        const errorMsg = error.response?.data?.message || error.message || '未知错误';
        result.error = errorMsg;

        // 检查是否是认证错误（key 无效）
        if (error.response?.status === 401 || errorMsg.includes('invalid')) {
          result.error = `认证失败: ${errorMsg}`;
        } else if (error.response?.status === 403) {
          result.error = `权限不足: ${errorMsg}`;
        } else if (error.response?.status === 429) {
          result.error = `限流: ${errorMsg}`;
        }
      }

      return result;
    }

    /**
     * 批量验证所有模型
     */
    async function validateAllModels(): Promise<ValidationReport> {
      const models = config.models.list.filter((m: any) => m.enabled !== false);
      const results: ModelValidationResult[] = [];

      console.log('\n========== 模型验证开始 ==========\n');

      for (const model of models) {
        process.stdout.write(`验证 ${model.id}... `);
        const result = await validateModel(model);
        results.push(result);

        if (result.available) {
          console.log(`✅ 可用 (${result.responseTime}ms)`);
        } else {
          console.log(`❌ 不可用 - ${result.error}`);
        }
      }

      const availableCount = results.filter(r => r.available).length;
      const unavailableCount = results.filter(r => !r.available).length;

      console.log('\n========== 验证结果 ==========');
      console.log(`总计: ${models.length} | 可用: ${availableCount} | 不可用: ${unavailableCount}`);

      const report: ValidationReport = {
        timestamp: new Date().toISOString(),
        totalModels: models.length,
        availableModels: availableCount,
        unavailableModels: unavailableCount,
        results,
      };

      // 保存报告到文件
      const reportPath = path.join(process.cwd(), 'model-validation-report.json');
      fs.writeFileSync(reportPath, JSON.stringify(report, null, 2));
      console.log(`\n详细报告已保存: ${reportPath}`);

      return report;
    }

    /**
     * 仅验证特定类型的模型
     */
    async function validateModelsByType(type: 'text' | 'tts' | 'image' | 'video'): Promise<ValidationReport> {
      const models = config.models.getModelsByType(type);
      const results: ModelValidationResult[] = [];

      console.log(`\n========== 验证 ${type} 模型 ==========\n`);

      for (const model of models) {
        process.stdout.write(`验证 ${model.id}... `);
        const result = await validateModel(model);
        results.push(result);

        if (result.available) {
          console.log(`✅ 可用 (${result.responseTime}ms)`);
        } else {
          console.log(`❌ 不可用 - ${result.error}`);
        }
      }

      const report: ValidationReport = {
        timestamp: new Date().toISOString(),
        totalModels: models.length,
        availableModels: results.filter(r => r.available).length,
        unavailableModels: results.filter(r => !r.available).length,
        results,
      };

      return report;
    }

    // 如果直接运行此文件，执行校验
    if (require.main === module) {
      const args = process.argv.slice(2);
      const type = args[0] as 'text' | 'tts' | 'image' | 'video' | undefined;
      const onlyStructure = args.includes('--check');

      (async () => {
        console.log('\n========== 模型配置校验 ==========\n');

        // 1. 结构校验（无需 API 调用）
        const structureIssues = validateModelsJsonStructure();
        printValidationReport(structureIssues);

        const hasErrors = structureIssues.some(i => i.severity === 'error');
        if (hasErrors) {
          console.log('\n❌ 结构校验失败，跳过可用性校验');
          process.exit(1);
        }

        if (onlyStructure) {
          console.log('\n✅ 结构校验通过（--check 模式，仅做结构检查）');
          process.exit(0);
        }

        // 2. 可用性校验
        if (type) {
          await validateModelsByType(type);
        } else {
          await validateAllModels();
        }

        process.exit(0);
      })();
    }

    export {
      validateModelsJsonStructure,
      printValidationReport,
      validateAllModels,
      validateModelsByType,
      validateModel,
      type ModelValidationResult,
      type ValidationReport,
      type ValidationIssue,
    };