import * as fs from "fs";
import * as path from "path";
import { migrateApiListFromJsonIfNeeded } from "./src/api-list";
import { loadConfig } from "./src/config";
import { getActiveRoutes } from "./src/route-matching";
import { initDatabase } from "./src/db";
import { initMockFilesFromFsIfNeeded } from "./src/mock-files";
import {
  createProxyServer,
  getEffectiveTargetHttps,
  getEffectiveTargetPort,
} from "./src/proxy";
import { state } from "./src/state";

function startServer(): void {
  const proxyServer = createProxyServer();
  proxyServer.listen(state.config.proxyPort, "0.0.0.0", () => {
    const targetPort = getEffectiveTargetPort();
    const https = getEffectiveTargetHttps();
    const proto = https ? "https" : "http";
    const defaultPort = https ? 443 : 80;
    console.log(`========================================`);
    console.log(
      `代理服务器运行在: http://localhost:${state.config.proxyPort}`,
    );
    console.log(
      `目标服务器: ${proto}://${state.config.targetHost}${targetPort !== defaultPort ? `:${targetPort}` : ""}`,
    );
    console.log(`数据库: data/mock-mappings.sqlite3`);
    const activeRoutes = getActiveRoutes();
    console.log(
      `已配置Mock路由: ${Object.keys(activeRoutes).length} 个${state.config.mockEnabled !== false ? "" : "（当前 mockEnabled=false，未生效）"}`,
    );
    console.log(`========================================`);
    console.log(`管理接口:`);
    console.log(
      `  GET http://localhost:${state.config.proxyPort}/__config    查看当前配置`,
    );
    console.log(
      `  POST http://localhost:${state.config.proxyPort}/__reload-config 重新加载配置`,
    );
    console.log(
      `  GET http://localhost:${state.config.proxyPort}/__admin    管理面板`,
    );
    console.log(`========================================`);
    console.log(`Mock路由列表:`);

    for (const [route, file] of Object.entries(activeRoutes)) {
      const filePath = path.join(__dirname, file);
      const exists = fs.existsSync(filePath) ? "✓" : "✗";
      console.log(`  ${exists} ${route} -> ${file}`);
    }
    console.log(`========================================`);
  });
}

async function bootstrap(): Promise<void> {
  await initDatabase();
  await initMockFilesFromFsIfNeeded();
  await migrateApiListFromJsonIfNeeded();
  await loadConfig();
  startServer();
}

bootstrap().catch((error) => {
  console.error("[BOOTSTRAP] 启动失败:", error);
  process.exit(1);
});