const assert = require("assert");
const fs = require("fs");
const path = require("path");

const { loadModule, createRes } = require("../phase21/_shared.cjs");

const rootDir = path.resolve(__dirname, "..", "..");

const tests = [];
const test = (name, fn) => tests.push({ name, fn });

const read = (relativePath) =>
    fs.readFileSync(path.join(rootDir, relativePath), "utf8");

test("documents get-search-document-details facade delegates to legacy handler", async () => {
    const calls = [];
    const mod = loadModule(
        "pages/api/documents/get-search-document-details.js",
        {
            legacyGetSearchDocumentDetailsHandler: async (req, res) => {
                calls.push({ req, res });
                return res.status(200).json({ ok: true, route: "details" });
            }
        }
    );

    const req = { method: "GET", query: { incidentid: "inc-1" } };
    const res = createRes();
    await mod.default(req, res);

    assert.strictEqual(calls.length, 1);
    assert.strictEqual(calls[0].req, req);
    assert.strictEqual(calls[0].res, res);
    assert.strictEqual(res.state.statusCode, 200);
    assert.deepStrictEqual(JSON.parse(JSON.stringify(res.state.jsonBody)), {
        ok: true,
        route: "details"
    });
});

test("documents get-search-document-details-paged facade delegates to legacy handler", async () => {
    const calls = [];
    const mod = loadModule(
        "pages/api/documents/get-search-document-details-paged.js",
        {
            legacyGetSearchDocumentDetailsPagedHandler: async (req, res) => {
                calls.push({ req, res });
                return res
                    .status(200)
                    .json({ ok: true, route: "details-paged" });
            }
        }
    );

    const req = {
        method: "GET",
        query: {
            incidentid: "inc-2",
            pageNumber: "1",
            orderby: "createdon",
            fieldSort: "asc",
            showNumberOfRecords: "10",
            documentType: "all"
        }
    };
    const res = createRes();
    await mod.default(req, res);

    assert.strictEqual(calls.length, 1);
    assert.strictEqual(calls[0].req, req);
    assert.strictEqual(calls[0].res, res);
    assert.strictEqual(res.state.statusCode, 200);
    assert.deepStrictEqual(JSON.parse(JSON.stringify(res.state.jsonBody)), {
        ok: true,
        route: "details-paged"
    });
});

test("documents get-search-document-types facade delegates to legacy handler", async () => {
    const calls = [];
    const mod = loadModule("pages/api/documents/get-search-document-types.js", {
        legacyGetSearchDocumentTypesHandler: async (req, res) => {
            calls.push({ req, res });
            return res
                .status(200)
                .json([{ pinswg_isharedocumentlocations: 1, count: 2 }]);
        }
    });

    const req = { method: "GET", query: { incidentid: "inc-3" } };
    const res = createRes();
    await mod.default(req, res);

    assert.strictEqual(calls.length, 1);
    assert.strictEqual(calls[0].req, req);
    assert.strictEqual(calls[0].res, res);
    assert.strictEqual(res.state.statusCode, 200);
    assert.deepStrictEqual(JSON.parse(JSON.stringify(res.state.jsonBody)), [
        { pinswg_isharedocumentlocations: 1, count: 2 }
    ]);
});

test("legacy document metadata endpoint files remain present", async () => {
    const legacyFiles = [
        "pages/api/endpoint/getsearchdocumentdetails_api.js",
        "pages/api/endpoint/getsearchdocumentdetailspaged_api.js",
        "pages/api/endpoint/getsearchdocumentTypes_api.js",
        "pages/api/endpoint/getsearchdocumenthistory_api.js",
        "pages/api/endpoint/getsearchdocumenthistorypaged_api.js",
        "pages/api/documents/download/[id].js"
    ];

    legacyFiles.forEach((filePath) => {
        assert.strictEqual(
            fs.existsSync(path.join(rootDir, filePath)),
            true,
            filePath
        );
    });
});

test("searchDirectService document journey methods now target grouped documents facade routes", async () => {
    const source = read("actions/services/searchDirectService.js");

    assert.match(source, /\/api\/documents\/get-search-document-details\?/);
    assert.match(
        source,
        /\/api\/documents\/get-search-document-details-paged\?/
    );
    assert.match(source, /\/api\/documents\/get-search-document-types\?/);
});

test("searchDirectService no longer targets legacy document metadata routes for adopted methods", async () => {
    const source = read("actions/services/searchDirectService.js");

    assert.doesNotMatch(
        source,
        /\/api\/endpoint\/getsearchdocumentdetails_api/
    );
    assert.doesNotMatch(
        source,
        /\/api\/endpoint\/getsearchdocumentdetailspaged_api/
    );
    assert.doesNotMatch(source, /\/api\/endpoint\/getsearchdocumentTypes_api/);
});

test("document runtime contract cues remain unchanged in searchDirectService", async () => {
    const source = read("actions/services/searchDirectService.js");

    assert.match(source, /incidentid=/);
    assert.match(source, /pageNumber=/);
    assert.match(source, /orderby=/);
    assert.match(source, /fieldSort=/);
    assert.match(source, /showNumberOfRecords=/);
    assert.match(source, /documentType=/);
});

test("document download route remains the runtime download path", async () => {
    const metadataDetailsSource = read(
        "pages/api/endpoint/getsearchdocumentdetails_api.js"
    );
    const metadataPagedSource = read(
        "pages/api/endpoint/getsearchdocumentdetailspaged_api.js"
    );

    assert.match(metadataDetailsSource, /\/api\/documents\/download\//);
    assert.match(metadataPagedSource, /\/api\/documents\/download\//);
});

async function run() {
    let failures = 0;

    for (const { name, fn } of tests) {
        try {
            await fn();
            console.log(`✓ ${name}`);
        } catch (error) {
            failures += 1;
            console.error(`✗ ${name}`);
            console.error(error);
        }
    }

    if (failures > 0) {
        process.exit(1);
    }
}

run();