import Database from 'better-sqlite3';
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import schema from '../../src/lib/server/db/schema.sql?raw';
import { newFixture, type Fixture } from '../helpers/fixture.js';
import type { LaunchRecipe } from '../../src/lib/server/fleet/launch-recipes.js';

let fixture: Fixture;
beforeEach(async () => { vi.resetModules(); fixture = await newFixture([]); });
afterEach(async () => { vi.restoreAllMocks(); await fixture.cleanup(); });

describe('persisted launch recipe summaries', () => {
    it('lazily upgrades legacy snapshots once without changing fingerprints or retained bytes', async () => {
        const recipe: LaunchRecipe = {
            format: 1, game: 't5', mapSlug: 'theater', mapName: 'Kino der Toten', expectedMap: 'zombie_theater',
            capturedAt: '2025-01-01T00:00:00.000Z', image: 'plutainer:test', configFile: 'dedicated_sp.cfg', configSource: 'Defaults',
            files: [{ name: 'Old plugin', kind: 'plugin', path: 'legacy.dll', versionId: 1, version: 1,
                sha256: 'a'.repeat(64), size: 2 * 1024 ** 2, content: Buffer.alloc(2 * 1024 ** 2, 42).toString('base64') }]
        };
        const legacy = new Database(fixture.dbPath);
        const encoded = JSON.stringify(recipe, null, 2);
        try {
            legacy.exec(schema.replace('    recipe_summary TEXT,\n', ''));
            legacy.exec(`INSERT INTO server_deployments(id,server,action,state,stage,started_at,triggered_by)
                VALUES('legacy','retired-server','create','done','Complete','2025-01-01','fixture');`);
            legacy.prepare('INSERT INTO server_launch_recipes(deployment_id,recipe,blueprint_name) VALUES(?,?,?)')
                .run('legacy', encoded, 'Old collection');
        } finally { legacy.close(); }
        const { db, closeDb } = await import('../../src/lib/server/db/index.js');
        const { recipeSummaryForDeployment, recipeForDeployment, summarizeRecipe } = await import('../../src/lib/server/fleet/launch-recipes.js');
        const expected = { recipe: summarizeRecipe(recipe), blueprintName: 'Old collection' };
        expect(db().prepare('SELECT recipe_summary FROM server_launch_recipes').get()).toEqual({ recipe_summary: null });
        expect(recipeSummaryForDeployment('legacy')).toEqual(expected);
        closeDb();
        const parse = JSON.parse;
        const parsing = vi.spyOn(JSON, 'parse').mockImplementation((value, reviver) => {
            if (value.length > 1024 * 1024) throw new Error('Legacy recipe was decoded again.');
            return parse(value, reviver);
        });
        try {
            expect(recipeSummaryForDeployment('legacy')).toEqual(expected);
            expect(recipeSummaryForDeployment('missing')).toBeNull();
        } finally { parsing.mockRestore(); }
        expect(recipeForDeployment('legacy')).toEqual({ recipe, blueprintName: 'Old collection' });
        expect(db().prepare('SELECT recipe FROM server_launch_recipes').get()).toEqual({ recipe: encoded });
    });
});