import { describe, expect, it } from 'vitest';

import {
  NOTIFICATION_CHANNEL_SPECS,
  NotificationChannelConfigError,
  isNotificationChannelType,
  notificationChannelDefaults,
  notificationChannelFields,
  notificationChannelLabel,
  notificationChannelSecretKeys,
  notificationChannelSpec,
  parseKeyValueField,
  splitNotificationChannelConfig,
} from './notifications.js';

describe('notification channel specs', () => {
  it('describes every Hub channel type exactly once', () => {
    const types = NOTIFICATION_CHANNEL_SPECS.map((spec) => spec.type);
    expect(new Set(types).size).toBe(types.length);
    expect(types).toEqual([
      'webhook',
      'bark',
      'pushplus',
      'wecom_app',
      'wecom_robot',
      'dingtalk_robot',
      'dingtalk_app',
      'feishu_robot',
      'telegram',
      'email',
      'serverchan',
    ]);
    expect(NOTIFICATION_CHANNEL_SPECS.every((spec) => spec.summary.length > 0)).toBe(true);
  });

  it('keeps field keys unique and every field kind renderable', () => {
    for (const spec of NOTIFICATION_CHANNEL_SPECS) {
      const keys = spec.fields.map((field) => field.key);
      expect(new Set(keys).size).toBe(keys.length);
      for (const field of spec.fields) {
        expect([
          'text',
          'url',
          'secret',
          'number',
          'select',
          'toggle',
          'key-values',
        ] as const).toContain(field.kind);
        expect(field.label.length).toBeGreaterThan(0);
        if (field.kind === 'select') expect((field.options ?? []).length).toBeGreaterThan(0);
      }
    }
  });

  it('looks specs up by type and tolerates unknown input', () => {
    expect(notificationChannelSpec('telegram')?.label).toBe('Telegram');
    expect(notificationChannelSpec('nope')).toBeUndefined();
    expect(isNotificationChannelType('bark')).toBe(true);
    expect(isNotificationChannelType('Bark')).toBe(false);
    expect(notificationChannelLabel('nope')).toBe('nope');
    expect(notificationChannelFields('nope')).toEqual([]);
  });
});

describe('splitNotificationChannelConfig', () => {
  it('fills defaults and separates secrets from plain config', () => {
    const { config, secrets } = splitNotificationChannelConfig('bark', {
      server_url: 'https://bark.example.test',
      device_key: '  key-1  ',
      group: 'Island',
    });
    expect(config).toEqual({
      server_url: 'https://bark.example.test',
      group: 'Island',
      sound: '',
      level: '',
      icon: '',
      auto_copy: true,
      save_history: true,
    });
    expect(secrets).toEqual({ device_key: 'key-1' });
    expect(notificationChannelSecretKeys('bark')).toEqual(['device_key']);
  });

  it('carries a stored secret forward when the editor leaves it blank', () => {
    const { config, secrets } = splitNotificationChannelConfig(
      'telegram',
      { bot_token: '', chat_id: '42' },
      { bot_token: 'stored-token' },
    );
    expect(secrets).toEqual({ bot_token: 'stored-token' });
    expect(config['chat_id']).toBe('42');
  });

  it('names the missing required fields in the local language', () => {
    expect(() => splitNotificationChannelConfig('serverchan', {})).toThrowError(
      NotificationChannelConfigError,
    );
    try {
      splitNotificationChannelConfig('serverchan', {});
    } catch (error) {
      const failure = error as NotificationChannelConfigError;
      expect(failure.fields).toEqual(['send_key']);
      expect(failure.message).toContain('SendKey');
    }
  });

  it('validates numeric ranges and select membership', () => {
    const relay = {
      smtp_host: 'smtp.example.test',
      sender_address: 'a@example.test',
      receiver_addresses: 'b@example.test',
    };
    expect(() => splitNotificationChannelConfig('email', { ...relay, smtp_port: 99_999 })).toThrow(
      /SMTP 端口/u,
    );
    expect(() =>
      splitNotificationChannelConfig('bark', { device_key: 'k', level: 'loud' }),
    ).toThrow(/推送级别/u);
    expect(
      splitNotificationChannelConfig('email', {
        ...relay,
        smtp_port: '587',
        smtp_security: 'starttls',
      }).config['smtp_port'],
    ).toBe(587);
  });

  it('rejects unknown channel types instead of guessing a schema', () => {
    expect(() => splitNotificationChannelConfig('sms' as never, {} as never)).toThrowError(
      NotificationChannelConfigError,
    );
  });

  it('keeps declared defaults for untouched fields', () => {
    expect(notificationChannelDefaults('webhook')).toEqual({
      url: '',
      http_method: 'POST',
      headers: '',
    });
    expect(notificationChannelFields('webhook').map((field) => field.kind)).toEqual([
      'url',
      'select',
      'secret',
      'key-values',
    ]);
  });
});

describe('parseKeyValueField', () => {
  it('reads colon lines and ignores anything malformed', () => {
    expect(parseKeyValueField('X-A: 1\n\nno-separator\nX-B:  a/b \n:c-empty')).toEqual({
      'X-A': '1',
      'X-B': 'a/b',
    });
  });

  it('returns nothing for non-text input', () => {
    expect(parseKeyValueField(undefined)).toEqual({});
    expect(parseKeyValueField({})).toEqual({});
  });
});