"use strict";
// wget https://ftp.ncbi.nlm.nih.gov/genomes/all/annotation_releases/9606/109.20211119/GCF_000001405.39_GRCh38.p13/GCF_000001405.39_GRCh38.p13_feature_table.txt.gz
// wget https://ftp.ncbi.nlm.nih.gov/genomes/all/annotation_releases/9606/109.20211119/GCF_000001405.39_GRCh38.p13/GCF_000001405.39_GRCh38.p13_assembly_structure/Primary_Assembly/assembled_chromosomes/chr2acc
// wget https://ftp.ncbi.nlm.nih.gov/genomes/all/annotation_releases/9606/109.20211119/GCF_000001405.39_GRCh38.p13/GCF_000001405.39_GRCh38.p13_genomic.gbff.gz
// wget ftp://ftp.ncbi.nlm.nih.gov/refseq/H_sapiens/RefSeqGene/LRG_RefSeqGene
// wget ftp://ftp.ncbi.nlm.nih.gov/refseq/H_sapiens/RefSeqGene/refseqgene.1.genomic.gbff.gz
// wget ftp://ftp.ncbi.nlm.nih.gov/refseq/H_sapiens/biological_region/human.biological_region.gbff.gz
// wget ftp://ftp.ncbi.nlm.nih.gov/refseq/H_sapiens/mRNA_Prot/human.[1-10].rna.gbff.gz
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __asyncValues = (this && this.__asyncValues) || function (o) {
    if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");
    var m = o[Symbol.asyncIterator], i;
    return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);
    function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }
    function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.getSymbol = exports.getFromAcc = void 0;
const fs_1 = __importDefault(require("fs"));
const readline_1 = __importDefault(require("readline"));
const buffer_1 = require("buffer");
const genbank_parser_1 = __importDefault(require("genbank-parser"));
const line$ = (path) => readline_1.default.createInterface({
    input: fs_1.default.createReadStream(path),
    crlfDelay: Infinity
});
const readOffset = (path, from, to) => {
    return new Promise((resolve, reject) => __awaiter(void 0, void 0, void 0, function* () {
        const size = to - from;
        const buffer = buffer_1.Buffer.alloc(size);
        let filehandle = null;
        try {
            filehandle = yield fs_1.default.promises.open(path, 'r+');
            yield filehandle.read(buffer, 0, buffer.length, from);
        }
        finally {
            if (filehandle) {
                yield filehandle.close();
                resolve(buffer.toString());
            }
        }
    }));
};
/*
 * strings -a -t d human.1.rna.gbff | grep LOCUS | awk '{print $1"\t"$3}' > human.1.rna.gbff.index
 *
 */
const makeGbffIndex = (filePath, indexPath) => __awaiter(void 0, void 0, void 0, function* () {
    var e_1, _a;
    indexPath = indexPath || filePath + '.jsi';
    let entries = [];
    let lineN = 0;
    let byteAcc = 0;
    try {
        for (var _b = __asyncValues(line$(filePath)), _c; _c = yield _b.next(), !_c.done;) {
            const line = _c.value;
            if (line.match(/^LOCUS/)) {
                entries.push({
                    filePath,
                    value: line.split(/\s+/)[1],
                    from: byteAcc
                });
                if (lineN !== 0) {
                    entries[entries.length - 2]["to"] = byteAcc;
                    yield fs_1.default.promises.appendFile(indexPath, [
                        entries[entries.length - 2]["value"],
                        entries[entries.length - 2]["from"],
                        entries[entries.length - 2]["to"]
                    ].join('\t') + '\n');
                    entries = entries.splice(1);
                }
            }
            byteAcc += (line.length + 1);
            lineN++;
        }
    }
    catch (e_1_1) { e_1 = { error: e_1_1 }; }
    finally {
        try {
            if (_c && !_c.done && (_a = _b.return)) yield _a.call(_b);
        }
        finally { if (e_1) throw e_1.error; }
    }
    entries[entries.length - 1]["to"] = byteAcc;
    yield fs_1.default.promises.appendFile(indexPath, [
        entries[entries.length - 1]["value"],
        entries[entries.length - 1]["from"],
        entries[entries.length - 1]["to"]
    ].join('\t'));
    return entries;
});
const getOffset = (indexPath, acc) => __awaiter(void 0, void 0, void 0, function* () {
    var e_2, _d;
    let res;
    try {
        for (var _e = __asyncValues(line$(indexPath)), _f; _f = yield _e.next(), !_f.done;) {
            const line = _f.value;
            const tmp = line.split('\t');
            if (tmp[0] === acc) {
                res = [indexPath.split('.jsi')[0], tmp[1], tmp[2]];
                break;
            }
        }
    }
    catch (e_2_1) { e_2 = { error: e_2_1 }; }
    finally {
        try {
            if (_f && !_f.done && (_d = _e.return)) yield _d.call(_e);
        }
        finally { if (e_2) throw e_2.error; }
    }
    return res;
});
const getFromAcc = (accession, dbPath, indexPath) => __awaiter(void 0, void 0, void 0, function* () {
    dbPath = Array.isArray(dbPath) ? dbPath : [dbPath];
    if (!indexPath) {
        indexPath = [];
        for (const p of dbPath) {
            const iP = p + '.jsi';
            if (!fs_1.default.existsSync(iP)) {
                console.log('Writing index: ' + iP);
                yield makeGbffIndex(p);
            }
            indexPath.push(iP);
        }
    }
    else {
        indexPath = Array.isArray(indexPath) ? indexPath : [indexPath];
        if (indexPath.length !== dbPath.length)
            throw 'Error';
    }
    for (const iP of indexPath) {
        const [filePath, from, to] = (yield getOffset(iP, accession)) || [undefined, undefined, undefined];
        if (filePath) {
            const txt = yield readOffset(filePath, Number(from), Number(to));
            return (0, genbank_parser_1.default)(txt)[0];
        }
    }
    return undefined;
});
exports.getFromAcc = getFromAcc;
const getPos = (selector, tablePath, headerTablePath) => __awaiter(void 0, void 0, void 0, function* () {
    const results = [];
    (yield fs_1.default.promises.readFile(tablePath)).toString().split('\n')
        .map((line) => {
        const lineObj = line.split('\t').reduce((p, c, i) => (Object.assign(Object.assign({}, p), { [headerTablePath[i]]: isFinite(Number(c)) ? Number(c) : c })), {});
        if (lineObj[Object.keys(selector)[0]] === selector[Object.keys(selector)[0]])
            results.push(lineObj);
    });
    return results;
});
const getIndex = (symbol, LRGPath) => __awaiter(void 0, void 0, void 0, function* () {
    return (yield fs_1.default.promises.readFile(LRGPath)).toString()
        .split('\n')
        .filter((line) => line.match(new RegExp(symbol, 'g')))
        .reduce((p, c) => {
        const [TaxID, GeneID, GeneName, GeneAcc, TranscriptsAcc, ProteinAcc, _] = c.split('\t').filter((e) => e !== '');
        return { GeneID, GeneAcc, TranscriptsAcc: [...(new Set([...p.TranscriptsAcc, TranscriptsAcc]))], ProteinAcc: [...(new Set([...p.ProteinAcc, ProteinAcc]))] };
    }, { GeneID: '', GeneAcc: '', TranscriptsAcc: [], ProteinAcc: [] });
});
const getSymbol = (symbol, LRGPath, // wget ftp://ftp.ncbi.nlm.nih.gov/refseq/H_sapiens/RefSeqGene/LRG_RefSeqGene
tablePath, // wget https://ftp.ncbi.nlm.nih.gov/genomes/all/annotation_releases/9606/109.20211119/GCF_000001405.39_GRCh38.p13/GCF_000001405.39_GRCh38.p13_feature_table.txt.gz
// regionDBPath: string | string[], // wget ftp://ftp.ncbi.nlm.nih.gov/refseq/H_sapiens/biological_region/human.biological_region.gbff.gz
geneDBPath, // wget ftp://ftp.ncbi.nlm.nih.gov/refseq/H_sapiens/RefSeqGene/refseqgene.[1-7].genomic.gbff.gz
rnaDBPath // wget ftp://ftp.ncbi.nlm.nih.gov/refseq/H_sapiens/mRNA_Prot/human.[1-10].rna.gbff.gz
) => __awaiter(void 0, void 0, void 0, function* () {
    const geneIndex = yield getIndex(symbol, LRGPath);
    // const regionData = await getFromAcc(geneIndex.GeneAcc.split('.')[0], regionDBPath)
    // if (regionData) await fs.promises.writeFile('test-region.json', JSON.stringify(regionData, null, 4))
    const headerTablePath = [
        'feature', 'class', 'assembly', 'assembly_unit', 'seq_type', 'chromosome',
        'genomic_accession', 'start', 'end', 'strand', 'product_accession', 'non_redundant_refseq',
        'related_accession', 'name', 'symbol', 'GeneID', 'locus_tag', 'feature_interval_length',
        'product_length', 'attributes'
    ];
    const allFeatures = yield getPos({ symbol }, tablePath, headerTablePath);
    for (let index = 0; index < allFeatures.length; index++) {
        const { feature, product_accession } = allFeatures[index];
        let tmp;
        switch (feature) {
            case 'gene':
                allFeatures[index].product_accession = geneIndex.GeneAcc;
                tmp = yield getFromAcc(geneIndex.GeneAcc.split('.')[0], geneDBPath);
                yield fs_1.default.promises.writeFile('test/test-gene.json', JSON.stringify(tmp, null, 4));
                allFeatures[index].data = tmp;
                break;
            case 'mRNA':
                tmp = yield getFromAcc(product_accession.split('.')[0], rnaDBPath);
                yield fs_1.default.promises.writeFile('test/test-rna-' + index + '.json', JSON.stringify(tmp, null, 4));
                allFeatures[index].data = tmp;
                break;
            default:
                break;
        }
    }
    return allFeatures;
});
exports.getSymbol = getSymbol;