#!/usr/bin/env node
/**
 * Anthropic Setup Command
 *
 * Simple setup for Anthropic Claude integration:
 * - ANTHROPIC_API_KEY (required)
 * - ANTHROPIC_MODEL (optional, with Claude model choices)
 *
 * Follows the same UX patterns as setup-openai and setup-google-ai
 */
import fs from "fs";
import path from "path";
import inquirer from "inquirer";
import chalk from "chalk";
import ora from "ora";
import { logger } from "../../lib/utils/logger.js";
import { getTopModelChoices } from "../../lib/utils/modelChoices.js";
import { AIProviderName, } from "../../lib/types/index.js";
import { maskCredential } from "../utils/maskCredential.js";
export async function handleAnthropicSetup(argv) {
    try {
        const options = {
            checkOnly: argv.check || false,
            interactive: !argv.nonInteractive,
        };
        logger.always(chalk.blue("🔍 Checking Anthropic configuration..."));
        // Step 1: Check for existing configuration
        const hasApiKey = !!process.env.ANTHROPIC_API_KEY;
        const hasModel = !!process.env.ANTHROPIC_MODEL;
        // Display current status
        displayCurrentStatus(hasApiKey, hasModel);
        // Check-only mode - show status and exit
        if (options.checkOnly) {
            if (hasApiKey) {
                logger.always(chalk.green("✅ Anthropic setup complete"));
                const apiKey = process.env.ANTHROPIC_API_KEY;
                if (apiKey) {
                    logger.always(`   API Key: ${maskCredential(apiKey)}`);
                }
                if (hasModel) {
                    logger.always(`   Model: ${process.env.ANTHROPIC_MODEL}`);
                }
                else {
                    logger.always("   Model: claude-3-5-sonnet-20241022 (default)");
                }
            }
            else {
                logger.always(chalk.yellow("⚠️  Anthropic setup incomplete"));
            }
            return;
        }
        const config = {};
        // Step 2: Handle existing configuration
        if (hasApiKey) {
            logger.always(chalk.green("✅ Anthropic API key found in environment"));
            const apiKey = process.env.ANTHROPIC_API_KEY;
            if (apiKey) {
                logger.always(`   API Key: ${maskCredential(apiKey)}`);
            }
            if (hasModel) {
                logger.always(`   Model: ${process.env.ANTHROPIC_MODEL}`);
            }
            else {
                logger.always("   Model: claude-3-5-sonnet-20241022 (default)");
            }
            if (options.interactive) {
                const { reconfigure } = await inquirer.prompt([
                    {
                        type: "confirm",
                        name: "reconfigure",
                        message: "Anthropic is already configured. Do you want to reconfigure?",
                        default: false,
                    },
                ]);
                if (!reconfigure) {
                    // Still offer model selection if no model is set
                    if (!hasModel) {
                        const { wantsCustomModel } = await inquirer.prompt([
                            {
                                type: "confirm",
                                name: "wantsCustomModel",
                                message: "Do you want to specify an Anthropic model? (optional)",
                                default: false,
                            },
                        ]);
                        if (wantsCustomModel) {
                            config.model = await promptForModel();
                        }
                    }
                    else {
                        // Offer to change existing model
                        const { wantsChangeModel } = await inquirer.prompt([
                            {
                                type: "confirm",
                                name: "wantsChangeModel",
                                message: `Do you want to change the Anthropic model? (current: ${process.env.ANTHROPIC_MODEL})`,
                                default: false,
                            },
                        ]);
                        if (wantsChangeModel) {
                            config.model = await promptForModel();
                        }
                    }
                    if (config.model) {
                        await updateEnvFile(config);
                        logger.always(chalk.green("✅ Model configuration updated!"));
                        logger.always(`   ANTHROPIC_MODEL=${config.model}`);
                    }
                    else {
                        logger.always(chalk.blue("👍 Keeping existing configuration."));
                    }
                    // Show usage example
                    showUsageExample();
                    return;
                }
                else {
                    // User chose to reconfigure - mark this for proper handling
                    logger.always(chalk.blue("📝 Reconfiguring Anthropic setup..."));
                    config.isReconfiguring = true;
                }
            }
            else {
                // Non-interactive mode - just use existing credentials
                logger.always(chalk.green("✅ Setup complete! Using existing Anthropic configuration."));
                return;
            }
        }
        // Step 3: Interactive setup for missing or reconfiguring credentials
        if (options.interactive) {
            const isReconfiguring = config.isReconfiguring === true;
            // Handle API key setup/reconfiguration
            if (!hasApiKey) {
                // No API key exists - prompt for it
                logger.always("");
                logger.always(chalk.yellow("📋 To get your Anthropic API key:"));
                logger.always("1. Visit: https://console.anthropic.com/");
                logger.always("2. Sign in to your Anthropic account");
                logger.always("3. Go to 'API Keys' section");
                logger.always("4. Click 'Create Key' and copy the API key (starts with sk-ant-)");
                logger.always("");
                const { apiKey } = await inquirer.prompt([
                    {
                        type: "password",
                        name: "apiKey",
                        message: "Enter your Anthropic API key:",
                        validate: validateApiKey,
                    },
                ]);
                config.apiKey = apiKey.trim();
            }
            else if (isReconfiguring) {
                // API key exists and user is reconfiguring - ask if they want to change it
                const apiKey = process.env.ANTHROPIC_API_KEY;
                const { wantsChangeApiKey } = await inquirer.prompt([
                    {
                        type: "confirm",
                        name: "wantsChangeApiKey",
                        message: `Do you want to change the Anthropic API key? (current: ${apiKey ? maskCredential(apiKey) : "****"})`,
                        default: false,
                    },
                ]);
                if (wantsChangeApiKey) {
                    logger.always("");
                    logger.always(chalk.yellow("📋 To get your Anthropic API key:"));
                    logger.always("1. Visit: https://console.anthropic.com/");
                    logger.always("2. Sign in to your Anthropic account");
                    logger.always("3. Go to 'API Keys' section");
                    logger.always("4. Click 'Create Key' and copy the API key (starts with sk-ant-)");
                    logger.always("");
                    const { apiKey } = await inquirer.prompt([
                        {
                            type: "password",
                            name: "apiKey",
                            message: "Enter your new Anthropic API key (replacing existing):",
                            validate: validateApiKey,
                        },
                    ]);
                    config.apiKey = apiKey.trim();
                }
            }
            // Prompt for model selection
            const { wantsCustomModel } = await inquirer.prompt([
                {
                    type: "confirm",
                    name: "wantsCustomModel",
                    message: hasModel
                        ? `Do you want to change the Anthropic model? (current: ${process.env.ANTHROPIC_MODEL})`
                        : "Do you want to specify an Anthropic model? (optional)",
                    default: false,
                },
            ]);
            if (wantsCustomModel) {
                config.model = await promptForModel();
            }
        }
        else {
            // Non-interactive mode
            logger.always(chalk.yellow("⚠️  Non-interactive mode: setup incomplete"));
            logger.always(chalk.yellow("💡 Run without --non-interactive to configure Anthropic"));
            return;
        }
        // Step 4: Update .env file
        if (config.apiKey || config.model) {
            await updateEnvFile(config);
            logger.always(chalk.green("✅ Anthropic setup complete!"));
            if (config.apiKey) {
                logger.always(`   API Key: ${maskCredential(config.apiKey)}`);
            }
            if (config.model) {
                logger.always(`   Model: ${config.model}`);
            }
            // Show usage example
            showUsageExample();
        }
        else if (options.interactive && !options.checkOnly) {
            logger.always(chalk.green("✅ Setup complete!"));
            showUsageExample();
        }
    }
    catch (error) {
        logger.error(chalk.red("❌ Anthropic setup failed:"));
        logger.error(chalk.red(error instanceof Error ? error.message : "Unknown error"));
        process.exit(1);
    }
}
/**
 * Display current configuration status
 */
function displayCurrentStatus(hasApiKey, hasModel) {
    if (hasApiKey) {
        logger.always(chalk.green("✔ ANTHROPIC_API_KEY found in environment"));
    }
    else {
        logger.always(chalk.red("✘ ANTHROPIC_API_KEY not found"));
    }
    if (hasModel) {
        logger.always(chalk.green(`✔ ANTHROPIC_MODEL found: ${process.env.ANTHROPIC_MODEL}`));
    }
    else {
        logger.always(chalk.yellow("⚠ ANTHROPIC_MODEL not set (will use claude-3-5-sonnet-20241022 default)"));
    }
}
/**
 * Validate Anthropic API key format
 */
function validateApiKey(input) {
    if (!input.trim()) {
        return "Anthropic API key is required";
    }
    const trimmed = input.trim();
    if (!trimmed.startsWith("sk-ant-")) {
        return "Anthropic API key should start with 'sk-ant-'";
    }
    if (trimmed.length < 20) {
        return "Anthropic API key seems too short";
    }
    // Basic format check: sk-ant-[random string]
    if (!/^sk-ant-[a-zA-Z0-9_-]{20,}$/.test(trimmed)) {
        return "Invalid Anthropic API key format";
    }
    return true;
}
/**
 * Prompt user for model selection
 */
async function promptForModel() {
    const { modelChoice } = await inquirer.prompt([
        {
            type: "select",
            name: "modelChoice",
            message: "Select an Anthropic Claude model:",
            choices: getTopModelChoices(AIProviderName.ANTHROPIC, 5),
        },
    ]);
    if (modelChoice === "custom") {
        const { customModel } = await inquirer.prompt([
            {
                type: "input",
                name: "customModel",
                message: "Enter your custom Anthropic model name:",
                validate: (input) => {
                    if (!input.trim()) {
                        return "Model name is required";
                    }
                    // Basic validation - Anthropic models typically follow certain patterns
                    const trimmed = input.trim();
                    if (!/^[a-z0-9-._]+$/i.test(trimmed)) {
                        return "Model name should contain only letters, numbers, hyphens, dots, and underscores";
                    }
                    return true;
                },
            },
        ]);
        return customModel.trim();
    }
    return modelChoice;
}
/**
 * Update .env file with Anthropic configuration
 */
async function updateEnvFile(config) {
    const envPath = path.join(process.cwd(), ".env");
    const spinner = ora("💾 Updating .env file...").start();
    try {
        let envContent = "";
        // Read existing .env file if it exists
        if (fs.existsSync(envPath)) {
            envContent = fs.readFileSync(envPath, "utf8");
        }
        // Parse existing environment variables
        const envLines = envContent.split("\n");
        const existingVars = new Map();
        const otherLines = [];
        for (const line of envLines) {
            const trimmed = line.trim();
            if (trimmed && !trimmed.startsWith("#")) {
                const equalsIndex = trimmed.indexOf("=");
                if (equalsIndex > 0) {
                    const key = trimmed.substring(0, equalsIndex);
                    const value = trimmed.substring(equalsIndex + 1);
                    existingVars.set(key, value);
                }
                else {
                    otherLines.push(line);
                }
            }
            else {
                otherLines.push(line);
            }
        }
        // Update Anthropic variables
        if (config.apiKey) {
            existingVars.set("ANTHROPIC_API_KEY", config.apiKey);
        }
        if (config.model) {
            existingVars.set("ANTHROPIC_MODEL", config.model);
        }
        // Reconstruct .env content preserving structure
        const newEnvLines = [];
        // Add non-variable lines first (comments, empty lines)
        for (const line of otherLines) {
            newEnvLines.push(line);
        }
        // Add separator comment for Anthropic if needed
        if ((config.apiKey || config.model) &&
            !envContent.includes("ANTHROPIC CONFIGURATION") &&
            !envContent.includes("# Anthropic")) {
            if (newEnvLines.length > 0 &&
                newEnvLines[newEnvLines.length - 1].trim()) {
                newEnvLines.push("");
            }
            newEnvLines.push("# Anthropic Configuration");
        }
        // Add all environment variables
        for (const [key, value] of existingVars.entries()) {
            newEnvLines.push(`${key}=${value}`);
        }
        // Write updated content
        const finalContent = newEnvLines.join("\n") + (newEnvLines.length > 0 ? "\n" : "");
        fs.writeFileSync(envPath, finalContent, "utf8");
        spinner.succeed(chalk.green("✔ .env file updated successfully"));
    }
    catch (error) {
        spinner.fail(chalk.red("❌ Failed to update .env file"));
        logger.error(chalk.red(`Error: ${error instanceof Error ? error.message : "Unknown error"}`));
        throw error;
    }
}
/**
 * Show usage example
 */
function showUsageExample() {
    logger.always("");
    logger.always(chalk.green("🚀 You can now use Anthropic Claude with the NeuroLink CLI:"));
    logger.always(chalk.cyan("   pnpm cli generate 'Hello from Claude!' --provider anthropic"));
    logger.always(chalk.cyan("   pnpm cli generate 'Explain quantum computing' --provider anthropic"));
    logger.always(chalk.cyan("   pnpm cli generate 'Analyze this data' --provider anthropic --enable-analytics"));
}
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