import { prepareNativeHost } from '../helpers/native-host.js';
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import { newFixture, type Fixture } from '../helpers/fixture.js';

vi.mock('../../src/lib/server/integrations/rcon.js', () => ({
    rconGetPlayerCount: vi.fn(async () => 0),
    rconPlutoniumVersion: vi.fn(async () => ({ revision: 5354, error: null })),
    rconStatusResult: vi.fn(async () => ({
        ok: true,
        endpoint: { host: 'localhost', port: 28960 },
        status: { players: 0, map: 'zombie_theater', gametype: null, roster: [] }
    }))
}));
vi.mock('../../src/lib/server/pipeline/worker.js', () => ({
    kick: vi.fn(async () => {}),
    kickProvisioning: vi.fn(async () => {})
}));

let fixture: Fixture;
const selection = { game: 't5' as const, mapSlug: 'theater' };
const input = { ...selection, gameMode: 'zombie' as const, plutoKey: 'private-pluto-key' };

beforeEach(async () => {
    vi.resetModules();
    vi.clearAllMocks();
    fixture = await newFixture([]);
    await prepareNativeHost();
    vi.stubGlobal(
        'fetch',
        vi.fn(async () =>
            Response.json({ product: 'plutonium-core-prod', revision: 5354, files: [] })
        )
    );

    vi.stubEnv('RCON_PASSWORD', 'private-rcon-password');
});
afterEach(async () => {
    await fixture.cleanup();
    vi.unstubAllEnvs();
    vi.unstubAllGlobals();
});

async function seedArtifacts() {
    const { createScript } = await import('../../src/lib/server/fleet/scripts.js');
    const { db } = await import('../../src/lib/server/db/index.js');
    const baseline = createScript({
        name: 'Classic settings',
        kind: 'baseline',
        scopeType: 'game',
        scopeValue: 't5',
        content: Buffer.from('set sv_voice "1"\n')
    });
    const script = createScript({
        name: 'Classic perks',
        kind: 'script',
        scopeType: 'game',
        scopeValue: 't5',
        targetRelPath: 'perks.gsc',
        content: Buffer.from('main(){ old_perks(); }')
    });
    for (const item of [baseline, script])
        db()
            .prepare('UPDATE scripts SET current_version_id = ? WHERE id = ?')
            .run(item.version.id, item.script.id);
    return { baseline, script };
}

describe('launch recipes and previews', () => {
    it('previews without reserving capacity, saving keys, exposing bytes, or submitting host commands', async () => {
        await seedArtifacts();
        const { previewCreation } = await import('../../src/lib/server/fleet/create.js');
        const { db } = await import('../../src/lib/server/db/index.js');
        const first = previewCreation(selection);
        const second = previewCreation(selection);
        expect(first).toMatchObject({
            name: 't5_zombie_theater_1',
            port: 28960,
            hasSavedKey: false,
            ready: true
        });
        expect(second.name).toBe(first.name);
        expect(second.port).toBe(first.port);
        expect(first.recipe.files).toHaveLength(3);
        expect(first.recipe.files[0]).not.toHaveProperty('content');
        expect(db().prepare('SELECT * FROM server_keys').all()).toEqual([]);
        expect(db().prepare('SELECT * FROM server_creation_jobs').all()).toEqual([]);
        expect(JSON.stringify(first)).not.toContain('private-');
    });

    it('returns the same operation for repeated submission, even after expiry and restart', async () => {
        const { previewCreation, queueCreateServer } =
            await import('../../src/lib/server/fleet/create.js');
        const { db, closeDb } = await import('../../src/lib/server/db/index.js');
        const { getServerKey } = await import('../../src/lib/server/fleet/server-keys.js');
        const preview = previewCreation(selection);
        const queued = queueCreateServer({ ...input, previewId: preview.id });
        expect(queued.ok).toBe(true);
        db()
            .prepare(
                "UPDATE server_launch_previews SET expires_at = '2000-01-01T00:00:00Z' WHERE id = ?"
            )
            .run(preview.id);
        closeDb();
        expect(
            queueCreateServer({ ...input, previewId: preview.id, plutoKey: 'replacement-key' })
        ).toEqual(queued);
        expect(db().prepare('SELECT * FROM server_creation_jobs').all()).toHaveLength(1);
        expect(getServerKey(preview.name!)).toBe('private-pluto-key');
    });

    it('carries preview identity through the public creation API and rejects malformed requests', async () => {
        const { POST: preview } =
            await import('../../src/routes/api/deployments/preview/+server.js');
        const { POST: launch } = await import('../../src/routes/api/servers/+server.js');
        const request = (body: unknown) => ({
            request: new Request('http://localhost/api', {
                method: 'POST',
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify(body)
            })
        });
        for (const body of [null, [], { game: 't7', mapSlug: 'theater' }])
            expect((await preview(request(body))).status).toBe(400);
        const response = await preview(request(selection));
        const plan = await response.json();
        expect(response.status).toBe(200);
        expect((await launch(request({ ...input, previewId: '' }))).status).toBe(400);
        const first = await launch(
            request({ ...input, previewId: plan.id, expectedName: plan.name })
        );
        expect(first.status).toBe(202);
        const retry = await launch(
            request({ ...input, previewId: plan.id, expectedName: plan.name })
        );
        expect(await retry.json()).toEqual(await first.json());
    });

    it('rejects expired, missing, and mismatched previews', async () => {
        const { previewCreation, queueCreateServer } =
            await import('../../src/lib/server/fleet/create.js');
        const { db } = await import('../../src/lib/server/db/index.js');
        const preview = previewCreation(selection);
        expect(
            queueCreateServer({ ...input, mapSlug: 'moon', previewId: preview.id })
        ).toMatchObject({ ok: false, kind: 'bad-request' });
        db()
            .prepare(
                "UPDATE server_launch_previews SET expires_at = '2000-01-01T00:00:00Z' WHERE id = ?"
            )
            .run(preview.id);
        expect(queueCreateServer({ ...input, previewId: preview.id })).toMatchObject({
            ok: false,
            kind: 'bad-request'
        });
        expect(queueCreateServer({ ...input, previewId: 'missing' })).toMatchObject({
            ok: false,
            kind: 'bad-request'
        });
        expect(db().prepare('SELECT * FROM server_keys').all()).toEqual([]);
    });

    it('validates blueprint names, sources, and case-insensitive duplicates', async () => {
        const { previewCreation } = await import('../../src/lib/server/fleet/create.js');
        const { saveBlueprint } = await import('../../src/lib/server/fleet/launch-recipes.js');
        const previewId = previewCreation(selection).id;
        expect(() => saveBlueprint({ name: '', previewId })).toThrow(/name/);
        expect(() => saveBlueprint({ name: 'Valid', previewId, deploymentId: 'also' })).toThrow(
            /exactly one/
        );
        expect(() => saveBlueprint({ name: 'Valid', previewId: 'missing' })).toThrow(/unavailable/);
        saveBlueprint({ name: 'Classic Night', previewId });
        expect(() => saveBlueprint({ name: ' classic night ', previewId })).toThrow(
            /already exists/
        );
    });
});