/**
 * WDS Installer UI - Banner, prompts, and success message.
 */

const chalk = require('chalk');
const figlet = require('figlet');
const inquirer = require('inquirer').default || require('inquirer');
const path = require('node:path');

class UI {
  /**
   * Display the WDS ASCII banner
   */
  displayBanner() {
    try {
      const banner = figlet.textSync('WDS', { font: 'Standard' });
      console.log(chalk.cyan(banner));
    } catch {
      console.log(chalk.cyan.bold('\n  W D S'));
    }
    console.log(chalk.white.bold('  Whiteport Design Studio'));
    console.log(chalk.dim('  Strategic design methodology for AI-powered workflows\n'));
  }

  /**
   * Run the full prompt flow and return config
   */
  async promptInstall() {
    this.displayBanner();

    const projectDir = process.cwd();
    const defaultProjectName = path.basename(projectDir);

    console.log(chalk.white(`  Target: ${chalk.cyan(projectDir)}`));
    console.log(chalk.dim(`  Agents and workflows will be installed in ${chalk.white('_wds/')}\n`));

    // Minimal 2-question installer
    const answers = await inquirer.prompt([
      {
        type: 'input',
        name: 'project_name',
        message: 'Project name:',
        default: defaultProjectName,
      },
      {
        type: 'list',
        name: 'starting_point',
        message: 'Where are you starting?',
        choices: [
          { name: 'Go straight to Product Brief (I have approval)', value: 'brief' },
          { name: 'Create pitch deck and project contract first', value: 'pitch' },
        ],
        default: 'brief',
      },
    ]);

    return {
      projectDir,
      ...answers,
      wdsFolder: '_wds',
      root_folder: 'design-process',
      cancelled: false,
    };
  }

  /**
   * Display success message with next steps
   */
  displaySuccess(wdsFolder) {
    console.log('');
    console.log(chalk.green.bold('  ✨ Installation complete!'));
    console.log('');
    console.log(chalk.white('  Whiteport Design Studio - Design Methodology'));
    console.log(chalk.dim('  Output: Product Brief, Trigger Map, UX Scenarios, Design System\n'));
    console.log(chalk.white('  Getting started:'));
    console.log(chalk.dim(`  1. Open your project in your AI IDE`));
    console.log(chalk.dim(`  2. Tell the AI:`));
    console.log(chalk.cyan(`     "Read and activate ${wdsFolder}/agents/saga-analyst.md"`));
    console.log(chalk.dim(`  3. Saga will greet you and start the Product Brief`));
    console.log('');
    console.log(chalk.white(`  Agents in ${chalk.cyan(wdsFolder + '/agents/')}:`));
    console.log(chalk.dim(`  - Saga  (Analyst)  - Product Brief & Trigger Mapping (Start here)`));
    console.log(chalk.dim(`  - Freya (Designer) - UX Scenarios, Design & Design System`));
    console.log('');
    console.log(chalk.dim('  Need development? Install BMM: npx bmad-builder install'));
    console.log('');
    console.log(chalk.dim('  https://github.com/whiteport-collective/whiteport-design-studio'));
    console.log('');
  }
}

module.exports = { UI };