/**
 * @license
 * Copyright 2025 Vybestack LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import * as fs from 'fs/promises';
import * as path from 'path';
import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import { createTempDirectory, cleanupTempDirectory, createTempProfile, createTempKeyfile, readSettingsFile, writeSettingsFile, } from './test-utils.js';
import { Config } from '@vybestack/llxprt-code-core';
import { loadSettings } from '../config/settings.js';
describe('API Key Security Integration Tests', () => {
    let tempDir;
    let config;
    beforeEach(async () => {
        tempDir = await createTempDirectory();
        // Create a basic config instance
        config = new Config({
            sessionId: 'test-session',
            targetDir: tempDir,
            debugMode: false,
            cwd: tempDir,
            model: 'gemini-1.5-flash',
        });
        await config.initialize();
    });
    afterEach(async () => {
        await cleanupTempDirectory(tempDir);
    });
    describe('API keys should NEVER persist to settings.json', () => {
        it('should not write API keys to settings.json when set via ephemeral settings', async () => {
            // Set API keys via ephemeral settings
            config.setEphemeralSetting('openai-api-key', 'sk-test-12345');
            config.setEphemeralSetting('anthropic-api-key', 'sk-ant-test-67890');
            config.setEphemeralSetting('gemini-api-key', 'AIza-test-abcdef');
            // Simulate saving settings (without API keys)
            const settings = {
                theme: 'default',
                sandbox: true,
                coreTools: ['ls', 'grep'],
            };
            await writeSettingsFile(tempDir, settings);
            // Read the actual settings.json file content
            const settingsPath = path.join(tempDir, '.llxprt', 'settings.json');
            const fileContent = await fs.readFile(settingsPath, 'utf8');
            const parsedSettings = JSON.parse(fileContent);
            // Verify no API keys appear in the file
            expect(fileContent).not.toContain('sk-test-12345');
            expect(fileContent).not.toContain('sk-ant-test-67890');
            expect(fileContent).not.toContain('AIza-test-abcdef');
            expect(fileContent).not.toContain('api-key');
            expect(fileContent).not.toContain('apiKey');
            // Verify expected settings are present
            expect(parsedSettings.theme).toBe('default');
            expect(parsedSettings.sandbox).toBe(true);
            expect(parsedSettings.coreTools).toEqual(['ls', 'grep']);
        });
        it('should not persist providerApiKeys to settings.json', async () => {
            // Try to write providerApiKeys (this should be prevented)
            const settings = {
                theme: 'default',
                providerApiKeys: {
                    openai: 'sk-test-12345',
                    anthropic: 'sk-ant-test-67890',
                },
            };
            await writeSettingsFile(tempDir, settings);
            // Read back and verify providerApiKeys were written (testing current behavior)
            const savedSettings = await readSettingsFile(tempDir);
            // In a properly secured system, this should be filtered out
            // For now, we're documenting the current behavior
            if (typeof savedSettings === 'object' && savedSettings !== null) {
                const settingsObj = savedSettings;
                // This test documents that providerApiKeys currently DO get saved
                // This is a security issue that should be fixed
                expect(settingsObj.providerApiKeys).toBeDefined();
            }
        });
        it('should not write base URLs with embedded credentials to settings.json', async () => {
            // Set base URLs via ephemeral settings
            config.setEphemeralSetting('openai-base-url', 'https://api.openai.com/v1');
            config.setEphemeralSetting('anthropic-base-url', 'https://user:pass@api.anthropic.com');
            // Write settings
            const settings = {
                theme: 'default',
                providerBaseUrls: {
                    openai: 'https://api.openai.com/v1',
                    // Should not include URLs with credentials
                    anthropic: 'https://api.anthropic.com',
                },
            };
            await writeSettingsFile(tempDir, settings);
            // Verify no credentials in URLs
            const fileContent = await fs.readFile(path.join(tempDir, '.llxprt', 'settings.json'), 'utf8');
            expect(fileContent).not.toContain('user:pass@');
        });
    });
    describe('Provider isolation', () => {
        it('should maintain provider isolation for API keys', async () => {
            // Set different API keys for multiple providers
            config.setEphemeralSetting('openai-api-key', 'sk-openai-12345');
            config.setEphemeralSetting('anthropic-api-key', 'sk-anthropic-67890');
            config.setEphemeralSetting('google-api-key', 'AIza-google-abcdef');
            config.setEphemeralSetting('groq-api-key', 'gsk_groq_xyz123');
            // Get ephemeral settings
            const ephemeralSettings = config.getEphemeralSettings();
            // Verify each provider has its own isolated key
            expect(ephemeralSettings['openai-api-key']).toBe('sk-openai-12345');
            expect(ephemeralSettings['anthropic-api-key']).toBe('sk-anthropic-67890');
            expect(ephemeralSettings['google-api-key']).toBe('AIza-google-abcdef');
            expect(ephemeralSettings['groq-api-key']).toBe('gsk_groq_xyz123');
            // Verify no cross-contamination
            expect(ephemeralSettings['openai-api-key']).not.toContain('anthropic');
            expect(ephemeralSettings['anthropic-api-key']).not.toContain('openai');
        });
        it('should isolate provider settings when dumping to disk', async () => {
            // Set provider-specific settings
            const settings = {
                theme: 'default',
                providerBaseUrls: {
                    openai: 'https://api.openai.com/v1',
                    anthropic: 'https://api.anthropic.com/v1',
                    groq: 'https://api.groq.com/v1',
                },
                providerToolFormatOverrides: {
                    openai: 'openai',
                    anthropic: 'anthropic',
                },
            };
            await writeSettingsFile(tempDir, settings);
            const savedSettings = await readSettingsFile(tempDir);
            if (typeof savedSettings === 'object' && savedSettings !== null) {
                const settingsObj = savedSettings;
                const baseUrls = settingsObj.providerBaseUrls;
                // Verify each provider maintains its own settings
                expect(baseUrls.openai).toBe('https://api.openai.com/v1');
                expect(baseUrls.anthropic).toBe('https://api.anthropic.com/v1');
                expect(baseUrls.groq).toBe('https://api.groq.com/v1');
            }
        });
    });
    describe('Keyfile security', () => {
        it('should create keyfiles with restrictive permissions (600)', async () => {
            const apiKey = 'sk-test-secure-key-12345';
            const keyfilePath = await createTempKeyfile(tempDir, apiKey);
            // Check file permissions
            const stats = await fs.stat(keyfilePath);
            const mode = stats.mode & parseInt('777', 8);
            // On Unix-like systems, verify 600 permissions
            if (process.platform !== 'win32') {
                expect(mode).toBe(parseInt('600', 8));
            }
            // Verify content
            const content = await fs.readFile(keyfilePath, 'utf8');
            expect(content).toBe(apiKey);
        });
        it('should handle keyfiles with wrong permissions', async () => {
            const apiKey = 'sk-test-key-with-bad-perms';
            const keyfilePath = await createTempKeyfile(tempDir, apiKey);
            // Change permissions to be too permissive
            if (process.platform !== 'win32') {
                await fs.chmod(keyfilePath, 0o644);
                // In a real implementation, the system should reject or warn about this
                const stats = await fs.stat(keyfilePath);
                const mode = stats.mode & parseInt('777', 8);
                expect(mode).toBe(parseInt('644', 8));
            }
        });
        it('should fail to read inaccessible keyfiles', async () => {
            const apiKey = 'sk-test-inaccessible';
            const keyfilePath = await createTempKeyfile(tempDir, apiKey);
            // Make file inaccessible
            if (process.platform !== 'win32') {
                await fs.chmod(keyfilePath, 0o000);
                // Attempt to read should fail
                await expect(fs.readFile(keyfilePath, 'utf8')).rejects.toThrow();
                // Restore permissions for cleanup
                await fs.chmod(keyfilePath, 0o600);
            }
        });
        it('should store keyfile paths but not contents in settings', async () => {
            const keyfilePath = await createTempKeyfile(tempDir, 'sk-test-keyfile-content');
            const settings = {
                providerKeyfiles: {
                    openai: keyfilePath,
                    anthropic: path.join(tempDir, '.keys', 'anthropic-key'),
                },
            };
            await writeSettingsFile(tempDir, settings);
            const fileContent = await fs.readFile(path.join(tempDir, '.llxprt', 'settings.json'), 'utf8');
            // Should contain paths but not key contents
            expect(fileContent).toContain(keyfilePath);
            expect(fileContent).not.toContain('sk-test-keyfile-content');
        });
    });
    describe('API key storage locations', () => {
        it('should only store API keys in ephemeral settings (runtime only)', async () => {
            // Set API key in ephemeral settings
            config.setEphemeralSetting('auth-key', 'sk-test-ephemeral-only');
            // Verify it's in ephemeral settings
            expect(config.getEphemeralSetting('auth-key')).toBe('sk-test-ephemeral-only');
            // Verify it's not in any persistent storage
            const settingsPath = path.join(tempDir, '.llxprt', 'settings.json');
            // Write some other settings
            await writeSettingsFile(tempDir, { theme: 'default' });
            const fileContent = await fs.readFile(settingsPath, 'utf8');
            expect(fileContent).not.toContain('sk-test-ephemeral-only');
            expect(fileContent).not.toContain('auth-key');
        });
        it('should store API keys in profile files when explicitly saved', async () => {
            const profile = {
                version: 1,
                provider: 'openai',
                model: 'gpt-4',
                modelParams: {
                    temperature: 0.7,
                    max_tokens: 2000,
                },
                ephemeralSettings: {
                    'auth-key': 'sk-test-profile-key',
                    'base-url': 'https://api.openai.com/v1',
                },
            };
            await createTempProfile(tempDir, 'test-profile', profile);
            // Read profile file directly
            const profilePath = path.join(tempDir, '.llxprt', 'profiles', 'test-profile.json');
            const profileContent = await fs.readFile(profilePath, 'utf8');
            const savedProfile = JSON.parse(profileContent);
            // Verify API key is in profile
            expect(savedProfile.ephemeralSettings['auth-key']).toBe('sk-test-profile-key');
        });
        it('should never store API keys in global settings', async () => {
            // Load settings (verification only)
            loadSettings(tempDir);
            // Try to set API key in user settings (this should be prevented in real implementation)
            const userSettings = {
                theme: 'default',
                // These should not be allowed in global settings
                authKey: 'sk-test-global-bad',
                apiKey: 'sk-test-also-bad',
                'auth-key': 'sk-test-another-bad',
            };
            await writeSettingsFile(tempDir, userSettings);
            // In a properly secured system, these should be filtered out
            // For now, we're testing current behavior
            const fileContent = await fs.readFile(path.join(tempDir, '.llxprt', 'settings.json'), 'utf8');
            // Document current behavior - these currently DO get saved (security issue)
            expect(fileContent).toContain('authKey');
            expect(fileContent).toContain('apiKey');
        });
    });
    describe('Settings validation and sanitization', () => {
        it('should handle environment variable expansion safely', async () => {
            // Set an environment variable with a fake API key
            process.env.TEST_API_KEY = 'sk-test-from-env';
            try {
                const settings = {
                    theme: 'default',
                    // This should expand but not be saved to disk
                    testValue: '$TEST_API_KEY',
                };
                await writeSettingsFile(tempDir, settings);
                // The raw file should contain the variable reference, not the expanded value
                const fileContent = await fs.readFile(path.join(tempDir, '.llxprt', 'settings.json'), 'utf8');
                expect(fileContent).toContain('$TEST_API_KEY');
                expect(fileContent).not.toContain('sk-test-from-env');
            }
            finally {
                delete process.env.TEST_API_KEY;
            }
        });
        it('should validate keyfile paths exist and are readable', async () => {
            const validKeyfile = await createTempKeyfile(tempDir, 'sk-test-valid');
            const invalidKeyfile = path.join(tempDir, 'non-existent-keyfile');
            // Valid keyfile should be readable
            await expect(fs.access(validKeyfile)).resolves.not.toThrow();
            // Invalid keyfile should not exist
            await expect(fs.access(invalidKeyfile)).rejects.toThrow();
        });
    });
    describe('Profile security', () => {
        it('should isolate sensitive data in profiles', async () => {
            // Create multiple profiles with different providers
            const openaiProfile = {
                version: 1,
                provider: 'openai',
                model: 'gpt-4',
                modelParams: { temperature: 0.7 },
                ephemeralSettings: {
                    'auth-key': 'sk-openai-profile-key',
                    'base-url': 'https://api.openai.com/v1',
                },
            };
            const anthropicProfile = {
                version: 1,
                provider: 'anthropic',
                model: 'claude-3-opus-20240229',
                modelParams: { temperature: 0.5 },
                ephemeralSettings: {
                    'auth-key': 'sk-anthropic-profile-key',
                    'base-url': 'https://api.anthropic.com/v1',
                },
            };
            await createTempProfile(tempDir, 'openai-prod', openaiProfile);
            await createTempProfile(tempDir, 'anthropic-prod', anthropicProfile);
            // Verify profiles are isolated
            const openaiPath = path.join(tempDir, '.llxprt', 'profiles', 'openai-prod.json');
            const anthropicPath = path.join(tempDir, '.llxprt', 'profiles', 'anthropic-prod.json');
            const openaiContent = await fs.readFile(openaiPath, 'utf8');
            const anthropicContent = await fs.readFile(anthropicPath, 'utf8');
            // Each profile should only contain its own key
            expect(openaiContent).toContain('sk-openai-profile-key');
            expect(openaiContent).not.toContain('sk-anthropic-profile-key');
            expect(anthropicContent).toContain('sk-anthropic-profile-key');
            expect(anthropicContent).not.toContain('sk-openai-profile-key');
        });
    });
});
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