import { afterEach, beforeEach, describe, expect, it } from 'vitest';
import fs from 'node:fs';
import os from 'node:os';
import path from 'node:path';
import {
    assertValidOneBotConfig,
    loadOneBotConfig,
    makeDefaultOneBotConfig,
    prepareOneBotConfigForRestore,
    saveOneBotConfig,
} from '../src/config';

describe.each(['enableWebSocket', 'enableSse'] as const)(
    'HTTP server %s configuration',
    (switchName) => {
        let previousCwd: string;
        let tempDir: string;

        beforeEach(() => {
            previousCwd = process.cwd();
            tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'snowluma-http-ws-config-'));
            process.chdir(tempDir);
        });

        afterEach(() => {
            process.chdir(previousCwd);
            fs.rmSync(tempDir, { recursive: true, force: true });
        });

        it('persists the opt-in switch through save and load', () => {
            const config = makeDefaultOneBotConfig();
            expect(config.networks.httpServers[0][switchName]).toBe(false);
            config.networks.httpServers[0][switchName] = true;

            saveOneBotConfig('10001', config);

            const onDisk = JSON.parse(
                fs.readFileSync(path.join(tempDir, 'config', 'onebot_10001.json'), 'utf8'),
            ) as {
                networks: {
                    httpServers: Array<{ enableWebSocket?: boolean; enableSse?: boolean }>;
                };
            };
            expect(onDisk.networks.httpServers[0][switchName]).toBe(true);
            expect(loadOneBotConfig('10001').networks.httpServers[0][switchName]).toBe(true);
        });

        it('rejects non-boolean values at public save and restore boundaries', () => {
            const config = makeDefaultOneBotConfig();
            (config.networks.httpServers[0] as unknown as Record<string, unknown>)[switchName] =
                'yes';
            expect(() => assertValidOneBotConfig(config)).toThrow(
                `${switchName} must be a boolean`,
            );

            expect(() =>
                prepareOneBotConfigForRestore(
                    {
                        networks: {
                            httpServers: [
                                {
                                    name: 'http',
                                    host: '127.0.0.1',
                                    port: 3000,
                                    path: '/',
                                    [switchName]: 'yes',
                                },
                            ],
                        },
                    },
                    'per-uin',
                ),
            ).toThrow(`${switchName} must be a boolean`);
        });

        it('fails fast when a hand-written config contains a non-boolean switch', () => {
            fs.mkdirSync(path.join(tempDir, 'config'), { recursive: true });
            fs.writeFileSync(
                path.join(tempDir, 'config', 'onebot_10002.json'),
                JSON.stringify({
                    mode: 'snapshot',
                    networks: {
                        httpServers: [
                            {
                                name: 'http',
                                host: '127.0.0.1',
                                port: 3000,
                                path: '/',
                                [switchName]: 'yes',
                            },
                        ],
                        httpClients: [],
                        wsServers: [],
                        wsClients: [],
                    },
                }),
                'utf8',
            );

            expect(() => loadOneBotConfig('10002')).toThrow(`${switchName} must be a boolean`);
        });
    },
);