/**
 * ZCLAW Settings E2E Tests
 *
 * Tests for settings page functionality with mocked Gateway responses.
 * Covers model configuration, Channel management, and skill management.
 *
 * Test Categories:
 * - Model Configuration: Load, save, switch models
 * - Channel Configuration: Feishu channels, IM configuration
 * - Skill Management: Browse, install, uninstall skills
 * - General Settings: User profile, workspace, preferences
 */

import { test, expect, Page } from '@playwright/test';
import { setupMockGateway, mockResponses, mockErrorResponse } from '../fixtures/mock-gateway';
import { storeInspectors, STORE_NAMES } from '../fixtures/store-inspectors';
import { userActions, waitForAppReady, skipOnboarding, navigateToTab } from '../utils/user-actions';

// Test configuration
test.setTimeout(120000);
const BASE_URL = 'http://localhost:1420';

// ============================================
// Test Suite 1: Model Configuration Tests
// ============================================
test.describe('Settings - Model Configuration Tests', () => {

  test.describe.configure({ mode: 'parallel' });

  test.beforeEach(async ({ page }) => {
    await setupMockGateway(page);
    await skipOnboarding(page);
    await page.goto(BASE_URL);
    await waitForAppReady(page);
  });

  test('SET-MODEL-01: Models list loads correctly in settings', async ({ page }) => {
    // Navigate to settings
    await userActions.openSettings(page);
    await page.waitForTimeout(500);

    // Navigate to Models/API section
    const modelsTab = page.getByRole('tab', { name: /模型|model|api/i }).or(
      page.locator('button').filter({ hasText: /模型|API/ })
    );
    if (await modelsTab.first().isVisible()) {
      await modelsTab.first().click();
      await page.waitForTimeout(500);
    }

    // Verify models are loaded via API
    const modelsResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/models');
        return await response.json();
      } catch {
        return null;
      }
    });

    expect(Array.isArray(modelsResponse)).toBe(true);
    expect(modelsResponse.length).toBeGreaterThan(0);

    // Verify model structure
    const firstModel = modelsResponse[0];
    expect(firstModel).toHaveProperty('id');
    expect(firstModel).toHaveProperty('name');
    expect(firstModel).toHaveProperty('provider');
  });

  test('SET-MODEL-02: Switch default model saves to configuration', async ({ page }) => {
    await userActions.openSettings(page);
    await page.waitForTimeout(500);

    // Get current model from store
    const initialModel = await storeInspectors.getChatState<{
      currentModel: string;
    }>(page);

    // Find model selector in settings
    const modelSelector = page.locator('select').filter({
      has: page.locator('option'),
    }).or(
      page.locator('[role="combobox"]').filter({ hasText: /model|模型/i })
    );

    if (await modelSelector.first().isVisible()) {
      // Get available options
      const options = await modelSelector.first().locator('option').allInnerTexts();
      expect(options.length).toBeGreaterThan(0);

      // Select a different model
      const newModel = options.find(o => o !== initialModel?.currentModel) || options[0];
      await modelSelector.first().selectOption({ label: newModel });

      // Save settings
      await userActions.saveSettings(page);
      await page.waitForTimeout(1000);

      // Verify model changed
      const updatedModel = await storeInspectors.getChatState<{
        currentModel: string;
      }>(page);

      // Model should be updated
      expect(updatedModel?.currentModel).toBeDefined();
    }
  });

  test('SET-MODEL-03: Model configuration persists across reload', async ({ page }) => {
    // Set a model in chat store
    await storeInspectors.setChatState(page, {
      currentModel: 'claude-sonnet-4-20250514',
      messages: [],
      conversations: [],
      currentConversationId: null,
      currentAgent: null,
      isStreaming: false,
      sessionKey: null,
      agents: [],
    });

    // Reload page
    await page.reload();
    await waitForAppReady(page);

    // Verify model persisted
    const state = await storeInspectors.getChatState<{
      currentModel: string;
    }>(page);

    expect(state?.currentModel).toBe('claude-sonnet-4-20250514');
  });

  test('SET-MODEL-04: API configuration saves gateway URL', async ({ page }) => {
    await userActions.openSettings(page);
    await page.waitForTimeout(500);

    // Navigate to API/Gateway section
    const apiTab = page.getByRole('tab', { name: /api|gateway|连接/i }).or(
      page.locator('button').filter({ hasText: /API|Gateway/ })
    );
    if (await apiTab.first().isVisible()) {
      await apiTab.first().click();
      await page.waitForTimeout(500);
    }

    // Find gateway URL input
    const gatewayInput = page.locator('input').filter({
      has: page.locator('[placeholder*="gateway"], [placeholder*="url"]'),
    }).or(
      page.locator('input[name="gatewayUrl"]').or(
        page.locator('input').filter({ hasText: /gateway|url/i })
      )
    );

    if (await gatewayInput.first().isVisible()) {
      const testUrl = 'http://127.0.0.1:50051';
      await gatewayInput.first().fill(testUrl);

      // Save settings
      await userActions.saveSettings(page);
      await page.waitForTimeout(1000);

      // Verify URL saved
      const gatewayConfig = await storeInspectors.getGatewayConfig(page);
      expect(gatewayConfig.url).toBe(testUrl);
    }
  });

  test('SET-MODEL-05: Invalid model selection shows error', async ({ page }) => {
    // Mock error response for models
    await mockErrorResponse(page, 'models', 500, 'Failed to load models');

    await userActions.openSettings(page);
    await page.waitForTimeout(1000);

    // Verify error handling - UI should still be functional
    const settingsPanel = page.locator('[role="tabpanel"]').or(
      page.locator('.settings-content').or(page.locator('main'))
    );

    await expect(settingsPanel.first()).toBeVisible();
  });
});

// ============================================
// Test Suite 2: Channel Configuration Tests
// ============================================
test.describe('Settings - Channel Configuration Tests', () => {

  test.describe.configure({ mode: 'parallel' });

  test.beforeEach(async ({ page }) => {
    await setupMockGateway(page);
    await skipOnboarding(page);
    await page.goto(BASE_URL);
    await waitForAppReady(page);
  });

  test('SET-CHAN-01: Channels list loads correctly', async ({ page }) => {
    // Request channels list
    const channelsResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/channels');
        return await response.json();
      } catch {
        return null;
      }
    });

    // Channels should be an array
    if (channelsResponse) {
      expect(channelsResponse).toHaveProperty('channels');
      expect(Array.isArray(channelsResponse.channels)).toBe(true);
    }
  });

  test('SET-CHAN-02: Feishu channel status check', async ({ page }) => {
    // Check Feishu status
    const feishuResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/channels/feishu');
        return await response.json();
      } catch {
        return null;
      }
    });

    if (feishuResponse?.channel) {
      expect(feishuResponse.channel).toHaveProperty('id');
      expect(feishuResponse.channel).toHaveProperty('type');
      expect(feishuResponse.channel.type).toBe('feishu');
    }
  });

  test('SET-CHAN-03: Create new IM channel', async ({ page }) => {
    const newChannel = {
      type: 'feishu',
      name: 'Test Feishu Channel',
      config: {
        appId: 'test-app-id',
        appSecret: 'test-secret',
      },
      enabled: true,
    };

    const createResponse = await page.evaluate(async (channel) => {
      try {
        const response = await fetch('/api/channels', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify(channel),
        });
        return await response.json();
      } catch {
        return null;
      }
    }, newChannel);

    // Should return created channel
    if (createResponse?.channel) {
      expect(createResponse.channel).toHaveProperty('id');
      expect(createResponse.channel.name).toBe(newChannel.name);
    }
  });

  test('SET-CHAN-04: Update channel configuration', async ({ page }) => {
    const updateData = {
      name: 'Updated Channel Name',
      enabled: false,
    };

    const updateResponse = await page.evaluate(async (data) => {
      try {
        const response = await fetch('/api/channels/feishu', {
          method: 'PUT',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify(data),
        });
        return await response.json();
      } catch {
        return null;
      }
    }, updateData);

    // Should return updated channel
    if (updateResponse?.channel) {
      expect(updateResponse.channel.name).toBe(updateData.name);
    }
  });

  test('SET-CHAN-05: Delete channel', async ({ page }) => {
    const deleteResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/channels/test-channel-id', {
          method: 'DELETE',
        });
        return { status: response.status, ok: response.ok };
      } catch {
        return null;
      }
    });

    // Delete should succeed or return appropriate error
    if (deleteResponse) {
      expect([200, 204, 404, 500]).toContain(deleteResponse.status);
    }
  });
});

// ============================================
// Test Suite 3: Skill Management Tests
// ============================================
test.describe('Settings - Skill Management Tests', () => {

  test.describe.configure({ mode: 'parallel' });

  test.beforeEach(async ({ page }) => {
    await setupMockGateway(page);
    await skipOnboarding(page);
    await page.goto(BASE_URL);
    await waitForAppReady(page);
  });

  test('SET-SKILL-01: Skills catalog loads correctly', async ({ page }) => {
    // Request skills list
    const skillsResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/skills');
        return await response.json();
      } catch {
        return null;
      }
    });

    // Skills should be an array
    expect(skillsResponse).toHaveProperty('skills');
    expect(Array.isArray(skillsResponse.skills)).toBe(true);
    expect(skillsResponse.skills.length).toBeGreaterThan(0);

    // Verify skill structure
    const firstSkill = skillsResponse.skills[0];
    expect(firstSkill).toHaveProperty('id');
    expect(firstSkill).toHaveProperty('name');
  });

  test('SET-SKILL-02: Get skill details', async ({ page }) => {
    const skillResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/skills/skill-code-review');
        return await response.json();
      } catch {
        return null;
      }
    });

    if (skillResponse?.skill) {
      expect(skillResponse.skill).toHaveProperty('id');
      expect(skillResponse.skill).toHaveProperty('name');
      expect(skillResponse.skill).toHaveProperty('description');
    }
  });

  test('SET-SKILL-03: Create new skill', async ({ page }) => {
    const newSkill = {
      name: 'Test Skill',
      description: 'A test skill for E2E testing',
      triggers: [{ type: 'keyword', pattern: 'test' }],
      actions: [{ type: 'respond', params: { message: 'Test response' } }],
      enabled: true,
    };

    const createResponse = await page.evaluate(async (skill) => {
      try {
        const response = await fetch('/api/skills', {
          method: 'POST',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify(skill),
        });
        return await response.json();
      } catch {
        return null;
      }
    }, newSkill);

    // Should return created skill
    if (createResponse?.skill) {
      expect(createResponse.skill).toHaveProperty('id');
      expect(createResponse.skill.name).toBe(newSkill.name);
    }
  });

  test('SET-SKILL-04: Update skill configuration', async ({ page }) => {
    const updateData = {
      name: 'Updated Skill Name',
      enabled: false,
    };

    const updateResponse = await page.evaluate(async (data) => {
      try {
        const response = await fetch('/api/skills/skill-code-review', {
          method: 'PUT',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify(data),
        });
        return await response.json();
      } catch {
        return null;
      }
    }, updateData);

    // Should return updated skill
    if (updateResponse?.skill) {
      expect(updateResponse.skill.name).toBe(updateData.name);
    }
  });

  test('SET-SKILL-05: Delete skill', async ({ page }) => {
    const deleteResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/skills/test-skill-id', {
          method: 'DELETE',
        });
        return { status: response.status, ok: response.ok };
      } catch {
        return null;
      }
    });

    // Delete should succeed or return appropriate error
    if (deleteResponse) {
      expect([200, 204, 404, 500]).toContain(deleteResponse.status);
    }
  });

  test('SET-SKILL-06: Skill triggers configuration', async ({ page }) => {
    // Navigate to Skills tab
    await navigateToTab(page, '技能');
    await page.waitForTimeout(500);

    // Check if skill cards are visible
    const skillCards = page.locator('.border.rounded-lg').filter({
      hasText: /技能|skill/i,
    });

    // At minimum, the API should respond
    const skillsResponse = await page.evaluate(async () => {
      const response = await fetch('/api/skills');
      return response.json();
    });

    expect(skillsResponse.skills).toBeDefined();
  });
});

// ============================================
// Test Suite 4: General Settings Tests
// ============================================
test.describe('Settings - General Settings Tests', () => {

  test.describe.configure({ mode: 'parallel' });

  test.beforeEach(async ({ page }) => {
    await setupMockGateway(page);
    await skipOnboarding(page);
    await page.goto(BASE_URL);
    await waitForAppReady(page);
  });

  test('SET-GEN-01: Quick config loads correctly', async ({ page }) => {
    const configResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/config');
        return await response.json();
      } catch {
        return null;
      }
    });

    // Config should have expected fields
    expect(configResponse).not.toBeNull();
    expect(configResponse).toHaveProperty('userName');
    expect(configResponse).toHaveProperty('userRole');
    expect(configResponse).toHaveProperty('defaultModel');
  });

  test('SET-GEN-02: Save user profile settings', async ({ page }) => {
    const newConfig = {
      userName: 'Test User',
      userRole: 'Developer',
    };

    const saveResponse = await page.evaluate(async (config) => {
      try {
        const response = await fetch('/api/config', {
          method: 'PUT',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify(config),
        });
        return await response.json();
      } catch {
        return null;
      }
    }, newConfig);

    // Should return updated config
    if (saveResponse) {
      expect(saveResponse.userName).toBe(newConfig.userName);
      expect(saveResponse.userRole).toBe(newConfig.userRole);
    }
  });

  test('SET-GEN-03: Workspace info loads correctly', async ({ page }) => {
    const workspaceResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/workspace');
        return await response.json();
      } catch {
        return null;
      }
    });

    // Workspace should have path info
    expect(workspaceResponse).not.toBeNull();
    expect(workspaceResponse).toHaveProperty('path');
    expect(workspaceResponse).toHaveProperty('exists');
  });

  test('SET-GEN-04: Theme preference saves correctly', async ({ page }) => {
    // Navigate to settings
    await userActions.openSettings(page);
    await page.waitForTimeout(500);

    // Find theme toggle
    const themeToggle = page.locator('button').filter({
      hasText: /theme|主题|dark|light|深色|浅色/i,
    }).or(
      page.locator('[role="switch"]').filter({ hasText: /dark|light/i })
    );

    if (await themeToggle.first().isVisible()) {
      await themeToggle.first().click();
      await page.waitForTimeout(500);

      // Verify theme changed (check for dark class on html/body)
      const isDark = await page.evaluate(() => {
        return document.documentElement.classList.contains('dark');
      });

      // Theme toggle should work
      expect(typeof isDark).toBe('boolean');
    }
  });

  test('SET-GEN-05: Plugin status check', async ({ page }) => {
    const pluginResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/plugins/status');
        return await response.json();
      } catch {
        return null;
      }
    });

    // Plugins should be an array
    if (pluginResponse) {
      expect(Array.isArray(pluginResponse)).toBe(true);

      if (pluginResponse.length > 0) {
        const firstPlugin = pluginResponse[0];
        expect(firstPlugin).toHaveProperty('id');
        expect(firstPlugin).toHaveProperty('name');
        expect(firstPlugin).toHaveProperty('status');
      }
    }
  });

  test('SET-GEN-06: Scheduled tasks load correctly', async ({ page }) => {
    const tasksResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/scheduler/tasks');
        return await response.json();
      } catch {
        return null;
      }
    });

    // Tasks should be an array
    if (tasksResponse) {
      expect(tasksResponse).toHaveProperty('tasks');
      expect(Array.isArray(tasksResponse.tasks)).toBe(true);
    }
  });

  test('SET-GEN-07: Security status check', async ({ page }) => {
    const securityResponse = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/security/status');
        return await response.json();
      } catch {
        return null;
      }
    });

    // Security should have status
    if (securityResponse) {
      expect(securityResponse).toHaveProperty('status');
    }
  });
});

// ============================================
// Test Suite 5: Settings Integration Tests
// ============================================
test.describe('Settings - Integration Tests', () => {

  test('SET-INT-01: Full settings save and reload cycle', async ({ page }) => {
    await setupMockGateway(page);
    await skipOnboarding(page);
    await page.goto(BASE_URL);
    await waitForAppReady(page);

    // Open settings
    await userActions.openSettings(page);
    await page.waitForTimeout(500);

    // Get initial config
    const initialConfig = await page.evaluate(async () => {
      const response = await fetch('/api/config');
      return response.json();
    });

    // Update config
    const updatedConfig = {
      ...initialConfig,
      userName: 'E2E Test User',
      userRole: 'Tester',
    };

    await page.evaluate(async (config) => {
      await fetch('/api/config', {
        method: 'PUT',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(config),
      });
    }, updatedConfig);

    // Reload page
    await page.reload();
    await waitForAppReady(page);

    // Verify config persisted
    const reloadedConfig = await page.evaluate(async () => {
      const response = await fetch('/api/config');
      return response.json();
    });

    expect(reloadedConfig.userName).toBe(updatedConfig.userName);
    expect(reloadedConfig.userRole).toBe(updatedConfig.userRole);
  });

  test('SET-INT-02: Settings navigation between tabs', async ({ page }) => {
    await setupMockGateway(page);
    await skipOnboarding(page);
    await page.goto(BASE_URL);
    await waitForAppReady(page);

    await userActions.openSettings(page);
    await page.waitForTimeout(500);

    // Find all navigation buttons in settings sidebar
    const navButtons = page.locator('aside nav button').or(
      page.locator('[role="tab"]')
    );

    const buttonCount = await navButtons.count();
    expect(buttonCount).toBeGreaterThan(0);

    // Click through each navigation button
    for (let i = 0; i < Math.min(buttonCount, 5); i++) {
      const btn = navButtons.nth(i);
      if (await btn.isVisible()) {
        await btn.click();
        await page.waitForTimeout(300);
      }
    }

    // Settings main content should still be visible
    const mainContent = page.locator('main').filter({
      has: page.locator('h1, h2, .text-xl'),
    });
    await expect(mainContent.first()).toBeVisible();
  });

  test('SET-INT-03: Error handling for failed config save', async ({ page }) => {
    // Mock error response for config
    await mockErrorResponse(page, 'config', 500, 'Failed to save config');

    await skipOnboarding(page);
    await page.goto(BASE_URL);
    await waitForAppReady(page);

    // Try to save config
    const saveResult = await page.evaluate(async () => {
      try {
        const response = await fetch('/api/config', {
          method: 'PUT',
          headers: { 'Content-Type': 'application/json' },
          body: JSON.stringify({ userName: 'Test' }),
        });
        return { status: response.status, ok: response.ok };
      } catch {
        return { error: true };
      }
    });

    // Should handle error gracefully
    expect(saveResult.status).toBe(500);
    expect(saveResult.ok).toBe(false);
  });
});

// ============================================
// Test Report
// ============================================
test.afterAll(async ({}, testInfo) => {
  console.log('\n========================================');
  console.log('ZCLAW Settings E2E Tests Complete');
  console.log('========================================');
  console.log(`Test Time: ${new Date().toISOString()}`);
  console.log('========================================\n');
});