const axios = require('axios');
var express = require('express')
var router = express.Router()
const DB = require("./../mongoDB.js");
const { getProfileId } = require("./../utils/sessionUtils.js");

const fetchAPI = async (path) => {
    baseUrl = "https://api.scripture.api.bible/v1/"
    let detailHtml = await axios.get(baseUrl + path, {headers:{'api-key':'8b43472a173a39e04cd868fd4848ed75'}}).catch(console.error);
    return detailHtml?.data;
}

const defaultBibleId = "592420522e16049f-01";

const normalizeVerseKey = (verseKey) => {
    if (!verseKey || typeof verseKey !== "string") return "";
    return verseKey.trim().toUpperCase();
};

const isValidVerseKey = (verseKey) => {
    return /^[A-Z0-9]+(\.[A-Z0-9]+)+$/.test(verseKey);
};

const getNoteText = (req) => {
    const text = req.body?.text || req.body?.note || "";
    return typeof text === "string" ? text.trim() : "";
};

//getMedia('y42zyf3').then(console.log)
DB.getDB.then((DB) => {
    /**
 * @swagger
 * tags:
 *   name: Bible
 *   description: Bible API
 */

/**
 * @swagger
 * /bible:
 *   get:
 *     summary: Get a list of available Bibles
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("", async (req, res) => {
        const bibles = await fetchAPI('bibles');
        return res.json(bibles);
    });

    /**
 * @swagger
 * /bible/mine:
 *   get:
 *     summary: Get Bible highlights and notes for the active profile
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("/mine", async (req, res) => {
        const profileid = getProfileId(req);
        const bibleData = await DB.getBibleProfileData(profileid);
        if (!bibleData) return res.status(400).json({ status: "Invalid profile" });
        return res.json({
            status: "ok",
            ...bibleData
        });
    });

    /**
 * @swagger
 * /bible/verses/{verseKey}/counters:
 *   get:
 *     summary: Get highlight and note counters for a Bible verse
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: verseKey
 *         required: true
 *         schema:
 *           type: string
 *           example: GEN.1.1
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("/verses/:verseKey/counters", async (req, res) => {
        const verseKey = normalizeVerseKey(req.params.verseKey);
        if (!isValidVerseKey(verseKey)) {
            return res.status(400).json({ status: "Invalid verse key" });
        }

        const counters = await DB.getBibleVerseCounters(verseKey);
        return res.json({
            status: "ok",
            ...counters
        });
    });

    /**
 * @swagger
 * /bible/verses/{verseKey}/activity:
 *   get:
 *     summary: Get profiles and recent notes for a Bible verse
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: verseKey
 *         required: true
 *         schema:
 *           type: string
 *           example: GEN.1.1
 *       - in: query
 *         name: limit
 *         schema:
 *           type: integer
 *           default: 10
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("/verses/:verseKey/activity", async (req, res) => {
        const verseKey = normalizeVerseKey(req.params.verseKey);
        if (!isValidVerseKey(verseKey)) {
            return res.status(400).json({ status: "Invalid verse key" });
        }

        const limit = Math.min(Math.max(parseInt(req.query.limit, 10) || 10, 1), 10);
        const activity = await DB.getBibleVerseActivity(verseKey, limit);
        return res.json({
            status: "ok",
            verseKey,
            ...activity
        });
    });

    /**
 * @swagger
 * /bible/verses/{verseKey}/highlight:
 *   post:
 *     summary: Highlight a Bible verse for the active profile
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: verseKey
 *         required: true
 *         schema:
 *           type: string
 *           example: GEN.1.1
 *     responses:
 *       200:
 *         description: OK
 */
    router.post("/verses/:verseKey/highlight", async (req, res) => {
        const profileid = getProfileId(req);
        const verseKey = normalizeVerseKey(req.params.verseKey);
        if (!isValidVerseKey(verseKey)) {
            return res.status(400).json({ status: "Invalid verse key" });
        }

        const result = await DB.addBibleHighlight(profileid, verseKey);
        if (!result) return res.status(400).json({ status: "Could not add highlight" });

        const counters = await DB.getBibleVerseCounters(verseKey);
        return res.json({
            status: "ok",
            highlighted: true,
            ...counters
        });
    });

    /**
 * @swagger
 * /bible/verses/{verseKey}/highlight:
 *   delete:
 *     summary: Remove a Bible verse highlight for the active profile
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: verseKey
 *         required: true
 *         schema:
 *           type: string
 *           example: GEN.1.1
 *     responses:
 *       200:
 *         description: OK
 */
    router.delete("/verses/:verseKey/highlight", async (req, res) => {
        const profileid = getProfileId(req);
        const verseKey = normalizeVerseKey(req.params.verseKey);
        if (!isValidVerseKey(verseKey)) {
            return res.status(400).json({ status: "Invalid verse key" });
        }

        const result = await DB.removeBibleHighlight(profileid, verseKey);
        if (!result) return res.status(400).json({ status: "Could not remove highlight" });

        const counters = await DB.getBibleVerseCounters(verseKey);
        return res.json({
            status: "ok",
            highlighted: false,
            ...counters
        });
    });

    /**
 * @swagger
 * /bible/verses/{verseKey}/notes:
 *   post:
 *     summary: Add a Bible verse note for the active profile
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: verseKey
 *         required: true
 *         schema:
 *           type: string
 *           example: GEN.1.1
 *     responses:
 *       200:
 *         description: OK
 */
    router.post("/verses/:verseKey/notes", async (req, res) => {
        const profileid = getProfileId(req);
        const verseKey = normalizeVerseKey(req.params.verseKey);
        const text = getNoteText(req);
        if (!isValidVerseKey(verseKey)) {
            return res.status(400).json({ status: "Invalid verse key" });
        }
        if (!text) return res.status(400).json({ status: "Note text is required" });

        const note = await DB.addBibleNote(profileid, verseKey, text);
        if (!note) return res.status(400).json({ status: "Could not add note" });

        const counters = await DB.getBibleVerseCounters(verseKey);
        return res.json({
            status: "ok",
            verseKey,
            note,
            counters
        });
    });

    /**
 * @swagger
 * /bible/verses/{verseKey}/notes/{noteId}:
 *   put:
 *     summary: Update a Bible verse note for the active profile
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: verseKey
 *         required: true
 *         schema:
 *           type: string
 *           example: GEN.1.1
 *       - in: path
 *         name: noteId
 *         required: true
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: OK
 */
    router.put("/verses/:verseKey/notes/:noteId", async (req, res) => {
        const profileid = getProfileId(req);
        const verseKey = normalizeVerseKey(req.params.verseKey);
        const noteId = req.params.noteId;
        const text = getNoteText(req);
        if (!isValidVerseKey(verseKey)) {
            return res.status(400).json({ status: "Invalid verse key" });
        }
        if (!text) return res.status(400).json({ status: "Note text is required" });

        const note = await DB.updateBibleNote(profileid, verseKey, noteId, text);
        if (!note) return res.status(404).json({ status: "Note not found" });

        return res.json({
            status: "ok",
            verseKey,
            note
        });
    });

    /**
 * @swagger
 * /bible/verses/{verseKey}/notes/{noteId}:
 *   delete:
 *     summary: Delete a Bible verse note for the active profile
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: verseKey
 *         required: true
 *         schema:
 *           type: string
 *           example: GEN.1.1
 *       - in: path
 *         name: noteId
 *         required: true
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: OK
 */
    router.delete("/verses/:verseKey/notes/:noteId", async (req, res) => {
        const profileid = getProfileId(req);
        const verseKey = normalizeVerseKey(req.params.verseKey);
        const noteId = req.params.noteId;
        if (!isValidVerseKey(verseKey)) {
            return res.status(400).json({ status: "Invalid verse key" });
        }

        const result = await DB.removeBibleNote(profileid, verseKey, noteId);
        if (!result) return res.status(400).json({ status: "Could not delete note" });
        if (!result.modifiedCount) return res.status(404).json({ status: "Note not found" });

        const counters = await DB.getBibleVerseCounters(verseKey);
        return res.json({
            status: "ok",
            verseKey,
            deleted: true,
            counters
        });
    });

/**
 * @swagger
 * /bible/books:
 *   get:
 *     summary: Get the books of a Bible
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: query
 *         name: bibleId
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("/books", async (req, res) => {
        const bibleId = req.query.bibleId || defaultBibleId;
        const bibles = await fetchAPI('bibles/' + bibleId +"/books");
        return res.json(bibles);
    });

    router.get("/books", async (req, res) => {
        const bibleId = req.query.bibleId || defaultBibleId;
        const bibles = await fetchAPI('bibles/' + bibleId +"/books");
        return res.json(bibles);
    });

    /**
 * @swagger
 * /bible/books/{bookId}:
 *   get:
 *     summary: Get details for a specific book
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: bookId
 *         required: true
 *         schema:
 *           type: string
 *       - in: query
 *         name: bibleId
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("/books/:bookId", async (req, res) => {
        const bookId = req.params.bookId;
        const bibles = await fetchAPI('bibles/' + bibleId +"/books/" + bookId);
        return res.json(bibles);
    });

    /**
 * @swagger
 * /bible/books/{bookId}/chapters:
 *   get:
 *     summary: Get the chapters of a book
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: bookId
 *         required: true
 *         schema:
 *           type: string
 *       - in: query
 *         name: bibleId
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("/books/:bookId/chapters", async (req, res) => {
        const bookId = req.params.bookId;
        const bibleId = req.query.bibleId || defaultBibleId;
        const bibles = await fetchAPI('bibles/' + bibleId +"/books/" + bookId + "/chapters");
        return res.json(bibles);
    });

    /**
 * @swagger
 * /bible/chapters/{chapterId}:
 *   get:
 *     summary: Get the content of a chapter
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: chapterId
 *         required: true
 *         schema:
 *           type: string
 *       - in: query
 *         name: bibleId
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("/chapters/:chapterId", async (req, res) => {
        const chapterId = req.params.chapterId;
        const bibleId = req.query.bibleId || defaultBibleId;
        const contentType = req.query['content-type'] ? `?content-type=${req.query['content-type']}` : '';
        const bibles = await fetchAPI('bibles/' + bibleId + "/chapters/" + chapterId + contentType);
        return res.json(bibles);
    });

    /**
 * @swagger
 * /bible/chapters/{chapterId}/verses:
 *   get:
 *     summary: Get the verses of a chapter
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: path
 *         name: chapterId
 *         required: true
 *         schema:
 *           type: string
 *       - in: query
 *         name: bibleId
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("/chapters/:chapterId/verses", async (req, res) => {
        const chapterId = req.params.chapterId;
        const bibleId = req.query.bibleId || defaultBibleId;
        const bibles = await fetchAPI('bibles/' + bibleId + "/chapters/" + chapterId + "/verses");
        return res.json(bibles);
    });

    /**
 * @swagger
 * /bible/search:
 *   get:
 *     summary: Search the Bible
 *     tags: [Bible]
 *     security:
 *       - cookieAuth: []
 *     parameters:
 *       - in: query
 *         name: query
 *         required: true
 *         schema:
 *           type: string
 *       - in: query
 *         name: limit
 *         schema:
 *           type: integer
 *           default: 10
 *       - in: query
 *         name: bibleId
 *         schema:
 *           type: string
 *     responses:
 *       200:
 *         description: OK
 */
    router.get("/search", async (req, res) => {
        const query = req.query.query;
        const limit = req.query.limit || 10;
        const bibleId = req.query.bibleId || defaultBibleId;
        const bibles = await fetchAPI('bibles/' + bibleId + "/search?query=" + query + "&limit=" + limit);
        return res.json(bibles);
    });

});

module.exports = router