#!/usr/bin/env tsx

import { readFile } from 'fs/promises';
import path from 'path';
import {
  analyzePlugin,
  ensurePluginConfigClean,
  performInjection,
  showInjectionPlan
} from './inject-core.js';
import {
  askConfirmation,
  askQuestion,
  createReadlineInterface,
  isValidPath
} from './utils.js';

const rl = createReadlineInterface();

async function promptForTargetPath(): Promise<string> {
  console.log(`\n📁 Select target plugin directory:`);
  console.log(`   Common paths (copy-paste ready):`);
  console.log(`   - ../test-sample-plugin`);
  console.log(`   💡 Tip: You can paste paths with or without quotes`);

  while (true) {
    const rawInput = await askQuestion(`\nEnter plugin directory path: `, rl);

    if (!rawInput.trim()) {
      console.log(`❌ Please enter a valid path`);
      continue;
    }

    const cleanPath = rawInput.trim().replace(/^["']|["']$/g, '');
    const resolvedPath = path.resolve(cleanPath);

    if (!(await isValidPath(resolvedPath))) {
      console.log(`❌ Directory not found: ${resolvedPath}`);
      const retry = await askConfirmation(`Try again?`, rl);
      if (!retry) throw new Error('User cancelled');
      continue;
    }

    console.log(`📁 Target directory: ${resolvedPath}`);
    return resolvedPath;
  }
}

async function main(): Promise<void> {
  try {
    console.log(`🎯 Obsidian Plugin Config - Interactive Injection Tool`);
    console.log(`📥 Inject autonomous configuration with prompts\n`);

    const args = process.argv.slice(2);
    let targetPath: string;

    const pathArg = args.find((arg) => !arg.startsWith('-'));
    if (pathArg) {
      const cleanPath = pathArg.trim().replace(/^["']|["']$/g, '');
      targetPath = path.resolve(cleanPath);

      if (!(await isValidPath(targetPath))) {
        console.error(`❌ Directory not found: ${targetPath}`);
        process.exit(1);
      }

      console.log(`📁 Using provided path: ${targetPath}`);
    } else {
      targetPath = await promptForTargetPath();
    }

    // Prevent injecting into obsidian-plugin-config itself
    const selfPkg = path.join(targetPath, 'package.json');
    if (await isValidPath(selfPkg)) {
      const pkg = JSON.parse(await readFile(selfPkg, 'utf8'));
      if (pkg.name === 'obsidian-plugin-config') {
        console.error(`❌ Cannot inject into obsidian-plugin-config itself.`);
        process.exit(1);
      }
    }

    console.log(`\n🔍 Checking plugin-config repository status...`);
    await ensurePluginConfigClean();

    console.log(`\n🔍 Analyzing plugin...`);
    const plan = await analyzePlugin(targetPath);

    const confirmed = await showInjectionPlan(plan, false);

    if (!confirmed) {
      console.log(`❌ Injection cancelled by user`);
      process.exit(0);
    }

    await performInjection(targetPath, false);
  } catch (error) {
    console.error(`💥 Error: ${error instanceof Error ? error.message : String(error)}`);
    process.exit(1);
  } finally {
    rl.close();
  }
}

main().catch(console.error);