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

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

const loadRepresentationLoaders = (overrides = {}) => {
    const filePath = path.join(
        __dirname,
        "..",
        "..",
        "lib",
        "representation",
        "pageLoaders.js"
    );

    let source = fs.readFileSync(filePath, "utf8");
    source = source.replace(/import[\s\S]*?from\s+"[^"]+";\n?/g, "");
    source = source.replace(/export\s+const\s+/g, "const ");
    source +=
        "\nmodule.exports = { loadRepresentationBootstrap, loadRepresentationPage };\n";

    const context = {
        module: { exports: {} },
        exports: {},
        getSession: async () => ({
            user: { id: "u-1", email: "test@example.com" }
        }),
        getPortalLogin: async () => ({ value: [{ contactid: "contact-1" }] }),
        getPersonalAccount: async () => ({ emailaddress1: "test@example.com" }),
        getRepsFromBlob: async () => ({ value: [] }),
        getBasicSearch: async () => ({
            value: [
                {
                    incidentid: "i-1",
                    ticketnumber: "CAS-1",
                    title: "Case",
                    pinswg_appealcasetype: 1
                }
            ]
        }),
        getSearchDetails: async () => [{ value: [{}] }],
        getCase: async () => ({}),
        getPortalModuleDetails: async () => ({}),
        getFormCollectionByID: () => ({ LogicalCollectionName: "x" }),
        setAccountDetails: () => ({}),
        setContainerID: () => ({}),
        setCurrentReference: () => ({}),
        setCurrentView: () => ({}),
        setFilesForRepresentations: () => ({}),
        setRepresentationCapacity: () => ({}),
        setMyRepresentations: () => ({}),
        setMyRepresentationsDetails: () => ({}),
        setSearchDetails: () => ({}),
        setSearchResults: () => ({}),
        setSearch: () => ({}),
        getRepsFilesBlobs: async () => ({}),
        consoleLogger: () => {},
        ...overrides
    };

    vm.runInNewContext(source, context, { filename: filePath });
    return context.module.exports;
};

test("representation bootstrap redirects to signin when session is missing", async () => {
    const mod = loadRepresentationLoaders({ getSession: async () => null });
    const result = await mod.loadRepresentationBootstrap({
        ctx: { query: {} }
    });
    assert.strictEqual(result.redirect.destination, "/auth/signin");
});

test("representation bootstrap redirects to signin when contact is missing", async () => {
    const mod = loadRepresentationLoaders({
        getPortalLogin: async () => ({ value: [] })
    });
    const result = await mod.loadRepresentationBootstrap({
        ctx: { query: {} }
    });
    assert.strictEqual(result.redirect.destination, "/auth/signin");
});

test("representation page redirects to myportal when case query is missing", async () => {
    const mod = loadRepresentationLoaders();
    const store = { dispatch: () => {} };
    const result = await mod.loadRepresentationPage({
        store,
        ctx: { query: {} }
    });
    assert.strictEqual(result.redirect.destination, "/myportal");
});

test("representation page redirects to myportal when state exists but created is missing", async () => {
    const mod = loadRepresentationLoaders();
    const store = { dispatch: () => {} };
    const result = await mod.loadRepresentationPage({
        store,
        ctx: { query: { case: "CAS-1", state: "x" } }
    });
    assert.strictEqual(result.redirect.destination, "/myportal");
});

test("representation page redirects to myportal when existing representation search has no result", async () => {
    const mod = loadRepresentationLoaders({
        getBasicSearch: async () => ({ value: [] })
    });
    const store = { dispatch: () => {} };
    const result = await mod.loadRepresentationPage({
        store,
        ctx: { query: { case: "CAS-1", state: "x", created: "rep-1" } }
    });
    assert.strictEqual(result.redirect.destination, "/myportal");
});

const run = async () => {
    let passed = 0;
    for (const currentTest of tests) {
        await currentTest.fn();
        passed += 1;
    }
    console.log(
        `Phase 22 representation-loader-guards tests passed (${passed}/${tests.length}).`
    );
};

module.exports = run;

if (require.main === module) {
    run().catch((error) => {
        console.error(error);
        process.exit(1);
    });
}