/**
 * @swagger
 * /api/file/getrepsblob:
 *   get:
 *     tags: [Azure Storage]
 *     summary: Phase 2
 *     description: get reps blobs
 *     parameters:
 *       - name: container
 *         in: query
 *         required: true
 *         example: cl761h97h0008h11ycmu2qyfo
 *         schema:
 *           type: string
 *       - name: casefolderID
 *         in: query
 *         required: true
 *         example: TMP-AYJHX-SNW1H5
 *         schema:
 *           type: string
 *       - name: hash
 *         in: query
 *         required: true
 *         example: 372c59f86d62b57cc2a7981eeee7737c944d407c6a7f2ea9d85797bbfe9852c5
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: Success
 */

import {
    downloadAllRepsFiles,
    getRepsBlobs
} from "../../../actions/azurestorage";
import nextConnect from "next-connect";
import middleware from "../middleware/middleware";
import { hashAPIPath } from "../../../actions/core/hash";
import { consoleLogger } from "../../../actions/core/logger";
import { respondError, respondSuccess } from "../middleware/apiResponse";

const ApiProxy = nextConnect();
ApiProxy.use(middleware);

ApiProxy.get(async (req, res) => {
    const containerName = req.query.container;
    const checkHash = req.query.hash;

    if (
        typeof containerName === "undefined" ||
        containerName.length === 0 ||
        typeof checkHash === "undefined" ||
        checkHash.length === 0
    ) {
        return respondError(res, {
            status: 400,
            code: "MISSING_REQUIRED_QUERY",
            message: "container and hash are required"
        });
    }

    const hashCandidatePaths = [
        "/api/file/getrepsblob?container=" + containerName,
        "/api/file/getrepsblob?container=" + encodeURIComponent(containerName)
    ];

    const isHashValid = hashCandidatePaths.some(
        (candidatePath) => hashAPIPath(candidatePath) == "&hash=" + checkHash
    );

    if (!isHashValid) {
        return respondError(res, {
            status: 400,
            code: "INVALID_HASH",
            message: "Invalid hash"
        });
    }

    try {
        const repsBlobs = await getRepsBlobs(containerName);
        const result = await downloadAllRepsFiles(containerName, repsBlobs);
        res.setHeader("Cache-Control", "no-store");
        return respondSuccess(res, result);
    } catch (error) {
        consoleLogger(error);
        return respondError(res, {
            status: 400,
            code: "GET_REPS_BLOB_FAILED",
            message: "Failed to retrieve representation blobs"
        });
    }
});

export default ApiProxy;