import { default as axios } from "axios";
import { projectScan, contractScan, analyzeProject, ProjectScanPayload, ContractScanPayload } from "./api";
import * as utils from "./utils";

function scan(): void {
  const [, , ...args] = process.argv;

  if (args[0] === "scan") {
    const scanType = args[1];
    if (scanType === "project") {
      const provider = args[2];
      const projectUrl = args[3];
      const projectBranch = args[4];
      const projecName = args[5];
      const recurScan = args[7] ? args[7] === 'true' : false;
      const apiKey = process.env.SOLIDITYSCAN_API_KEY || args[6];

      if (!provider || !projectUrl || !projectBranch || !projecName) {
        console.error("Usage: solisityscan scan <projectUrl> <branch>");
        process.exit(1);
      }

      const payload: ProjectScanPayload = {
        provider: provider,
        project_url: projectUrl,
        project_name: projecName,
        project_branch: projectBranch,
        recur_scans: recurScan || false,
        skip_file_paths: [],
      };

      projectScan(payload, apiKey)
        .then((results) => {
          console.log("Scan results:", results);
        })
        .catch((error) => {
          console.error("Error during scan:", error);
        });
    } else if (scanType === "contract") {
      const contractAddress: string | undefined = args[2];
      const contractChain: string | undefined = args[3];
      const contractPlatform: string | undefined = args[4];
      const cliProvidedToken = args[5]; // CLI provided token

      if (!contractAddress || !contractChain || !contractPlatform) {
        console.error("Usage: solisityscan scan contract <address> <chain> <platform> [apiToken]");
        process.exit(1);
      }

      try {
        // Get API token from environment or command line
        const apiToken = process.env.SOLIDITYSCAN_API_KEY || cliProvidedToken;
        if (!apiToken) {
          console.error("No API token provided. Please set SOLIDITYSCAN_API_KEY environment variable or provide token as argument.");
          process.exit(1);
        }

        const payload: ContractScanPayload = {
          contract_address: contractAddress,
          contract_platform: contractPlatform,
          contract_chain: contractChain, 
        };

        contractScan(payload, apiToken)
          .then((results) => {
            console.log("Scan results:",JSON.stringify(results, null, 2));
          })
          .catch((error) => {
            console.error("\nError during scan:", error);
          });
      } catch (error: any) {
        console.error("\nError with API token:", error?.message || error);
        process.exit(1);
      }
    }
  } else if (args[0] === "local") {
    const projectPath: string | undefined = args[1];
    const apiKeyFromArgs = args[2] && !process.env.SOLIDITYSCAN_API_KEY;
    const apiKey: string | undefined = process.env.SOLIDITYSCAN_API_KEY || args[2];
    let projectName: string | undefined = apiKeyFromArgs ? args[3] : args[2];

    if(!projectName){
      projectName = "LocalScan";
    }

    if (!projectPath) {
      console.error("Usage: solisityscan run-tests <projectPath>");
      process.exit(1);
    }

    analyzeProject(projectPath, apiKey, projectName)
      .then((results) => {
        const r: any = results as any;
        if(r?.scan_details?.link){
        axios.get(r.scan_details.link)
          .then((response) => {
            utils.displayScanResults(response.data.scan_report);
          })
          .catch((error) => {
            console.error("Error during scan:", error);
          });
        }
      })
      .catch((error) => {
        console.error("Error during scan:", error);
      });
  } else if (args.includes("-l")) {

    const dirFlagIndex = args.indexOf("-p");
    const serveDirectory =
      dirFlagIndex !== -1 && args[dirFlagIndex + 1]
        ? args[dirFlagIndex + 1]
        : process.cwd();

  
    const portFlagIndex = args.indexOf("--port");
    const userSpecifiedPort =
      portFlagIndex !== -1 && args[portFlagIndex + 1]
        ? parseInt(args[portFlagIndex + 1], 10)
        : null;

    const idFlagIndex = args.indexOf("--id");
    const tunnelId =
      idFlagIndex !== -1 && args[idFlagIndex + 1]
        ? args[idFlagIndex + 1]
        : null;

    if (!tunnelId) {
      console.error("Missing --id <alphanumeric> argument");
      process.exit(1);
    }

    let portAttempts = 0;
    let port = userSpecifiedPort || 9462;
    let wss;

    while (portAttempts < 5) {
      try {
        wss = utils.startLocalFileServer(serveDirectory, port);
        break; // success
      } catch (err: any) {
        if (userSpecifiedPort || err?.code !== "EADDRINUSE") {
          console.error(err?.message || "Failed to start local server");
          process.exit(1);
        }
        port += 1;
        portAttempts += 1;
      }
    }

    if (!wss) {
      console.error("Could not bind to any port between 9462 and 9466");
      process.exit(1);
    }

    (async () => {
      try {
        const localtunnel = require("localtunnel");
        const tunnel = await localtunnel({ port, subdomain: tunnelId });

        const clean = () => {
          try {
            tunnel.close();
          } catch (_) {}
          try {
            if (wss) wss.close();
          } catch (_) {}
          process.exit(0);
        };
        process.on("SIGINT", clean);
        process.on("SIGTERM", clean);
      } catch (e) {
        console.error("Error during tunnel:", e);
      }
    })();

    return;
  } else {
    console.error(
      "Unknown command. Usage: solidityscan scan <projectUrl> <branch> <apiKey>"
    );
    process.exit(1);
  }
}

if (require.main === module) {
  // executed via `node src/cli.js ...` – run the CLI
  scan();
}

export {
  scan,
};