// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for details.

import { SourceMapsCombinator } from "../../src/debugger/sourceMapsCombinator";
import { RawSourceMap } from "source-map";
import * as assert from "assert";
import * as sinon from "sinon";
import * as fs from "fs";
import * as path from "path";

suite("sourceMapsCombinator", function () {
    let sandbox: Sinon.SinonSandbox;

    setup(() => {
        sandbox = sinon.sandbox.create();
    });

    suiteTeardown(() => {
        sandbox.restore();
    });

    suite("#convert", function () {
        test("convert sourcemap", function () {
            const pathToJS = "d:/hello.js";
            const pathToTS = "d:/hello.ts";
            const sourcemapPath = "d:/hello.js.map";
            const codeJS = fs.readFileSync(path.resolve(__dirname, "assets/hello.js"));
            const codeTS = fs.readFileSync(path.resolve(__dirname, "assets/hello.ts"));
            const sourcemap: RawSourceMap = {
                "version": 3,
                "sources": [
                    "d:/hello.ts",
                ],
                "names": [],
                "mappings": "AAAA,MAAM,MAAM;IACR,YAAY,CAAC,OAAO,GAAG,EAAE,MAAM,CAAC;IAChC;IACA,OAAO,QAAQ,CAAC,EAAE;QACd,OAAO,OAAO,EAAE,IAAI,CAAC,IAAI,EAAE,OAAO;IACtC;AACJ;;AAEA,MAAM,MAAM,EAAE,IAAI,KAAK,CAAC,gDAAgD,CAAC;;AAEzE,OAAO,CAAC,GAAG,CAAC,KAAK,CAAC,QAAQ,CAAC,CAAC,CAAC", "file": "hello.js", "sourceRoot": "",
            };

            const expected = {
                "version": 3,
                "sources": [
                    "d:/hello.ts",
                ],
                "names": <string[]>[],
                "mappings": "AAAA,IAAA,MAAM,EAAM,CAAA,SAAA,CAAA,EAAA;IACR,SAAA,KAAa,CAAA,GAAA,EAAO;QACpB,IAAA,CAAA,IAAA,EAAA,GAAA;IACA;SACI,CAAA,SAAO,CAAA,SAAc,EAAA,SAAM,CAAA,EAAO;QACtC,OAAA,OAAA,EAAA,IAAA,CAAA,IAAA,EAAA,OAAA;IACJ,CAAA;;AAEA,CAAA,CAAA,CAAA,CAAA;;AAEA,OAAO,CAAC,GAAG,CAAC,KAAK,CAAC,QAAQ,CAAC,CAAC,CAAC",
            };

            let rawBundleSourcemap: RawSourceMap = {
                "version": 3,
                "sources": [
                    "d:/hello.js",
                ],
                "names": <string[]>[],
                "mappings": "AAAA,IAAI,MAAM,EAAE,CAAC,SAAS,CAAC,EAAE;IACrB,SAAS,KAAK,CAAC,GAAG,EAAE;QAChB,IAAI,CAAC,IAAI,EAAE,GAAG;IAClB;IACA,KAAK,CAAC,SAAS,CAAC,SAAS,EAAE,SAAS,CAAC,EAAE;QACnC,OAAO,OAAO,EAAE,IAAI,CAAC,IAAI,EAAE,OAAO;IACtC,CAAC;IACD,OAAO,KAAK;AAChB,CAAC,CAAC,CAAC,CAAC;AACJ,IAAI,MAAM,EAAE,IAAI,KAAK,CAAC,gDAAgD,CAAC;AACvE,OAAO,CAAC,GAAG,CAAC,KAAK,CAAC,QAAQ,CAAC,CAAC,CAAC", "file": "hello.js", "sourceRoot": "",
            };

            const fsReadFileStub = sandbox.stub(fs, "readFileSync");

            fsReadFileStub.withArgs(pathToJS).returns(codeJS);
            fsReadFileStub.withArgs(pathToTS).returns(codeTS);
            fsReadFileStub.withArgs(sourcemapPath).returns(JSON.stringify(sourcemap));

            let sourceMapsCombinator = new SourceMapsCombinator();
            let result = sourceMapsCombinator.convert(rawBundleSourcemap);
            result.sources = result.sources.map(p => {
                return p.replace(/\\/g, "/");
            });
            assert.deepEqual(expected, result);
        });
    });
});