/* eslint-disable no-console */
import { Command } from 'commander';
import chalk from 'chalk';
import { searchMemories, getMemoryStats } from '../utils/memory-store.js';

// ─────────────────────────────────────────────────────────────────────────────
// rigstate ask "<query>"
// Searches local memories in .rigstate/memories/ using keyword matching.
// Response time: <10ms (no API calls, no LLM, pure local search).
//
// Examples:
//   rigstate ask "Why Supabase?"
//   rigstate ask "typescript patterns"
//   rigstate ask "security" --limit 10
// ─────────────────────────────────────────────────────────────────────────────

export function createAskCommand(): Command {
    return new Command('ask')
        .description('Search local memories instantly (<10ms, offline)')
        .argument('<query>', 'Natural language query to search memories')
        .option('-n, --limit <n>', 'Maximum results to return', '5')
        .action(async (query: string, options) => {
            const limit = parseInt(options.limit, 10) || 5;
            const startTime = performance.now();
            const results = searchMemories(query, limit);
            const elapsed = (performance.now() - startTime).toFixed(1);

            console.log('');

            if (results.length === 0) {
                const stats = getMemoryStats();
                console.log(chalk.yellow(`🔍 No memories found for: "${query}"`));
                console.log(chalk.dim(`   Searched ${stats.total} memories in ${elapsed}ms.`));

                if (stats.total === 0) {
                    console.log('');
                    console.log(chalk.dim('   No memories yet. Start with:'));
                    console.log(chalk.white('   rigstate remember "We chose Supabase for real-time and RLS"'));
                }
                console.log('');
                return;
            }

            console.log(chalk.bold(`🧠 ${results.length} memor${results.length === 1 ? 'y' : 'ies'} found`) + chalk.dim(` (${elapsed}ms)`));
            console.log(chalk.dim('────────────────────────────────────────'));

            for (const { memory, score, matchedFields } of results) {
                const categoryColor = getCategoryColor(memory.category);
                const stars = '⭐'.repeat(Math.min(5, Math.ceil((memory.importance || 5) / 2)));

                console.log('');
                console.log(`  ${categoryColor(memory.category)} ${chalk.bold(memory.title)} ${chalk.dim(`[${stars}]`)}`);

                // Show a truncated preview of content
                const preview = memory.content.length > 120
                    ? memory.content.substring(0, 120) + '...'
                    : memory.content;
                console.log(`  ${chalk.white(preview)}`);

                // Tags
                if (memory.tags && memory.tags.length > 0) {
                    console.log(`  ${memory.tags.map(t => chalk.yellow(`#${t}`)).join(' ')}`);
                }

                // Metadata line
                const meta = [
                    chalk.dim(`score:${score.toFixed(1)}`),
                    chalk.dim(`matched:${matchedFields.join(',')}`),
                    chalk.dim(`source:${memory.source}`),
                ];
                if (memory.created_at) {
                    const date = new Date(memory.created_at).toLocaleDateString('nb-NO');
                    meta.push(chalk.dim(`date:${date}`));
                }
                console.log(`  ${meta.join('  ')}`);
            }

            console.log('');
            console.log(chalk.dim('────────────────────────────────────────'));

            const stats = getMemoryStats();
            console.log(chalk.dim(`Searched ${stats.total} memories in ${elapsed}ms`));
            console.log('');
        });
}

// ── Helpers ──────────────────────────────────────────────────────────────────

function getCategoryColor(category: string): (text: string) => string {
    const colors: Record<string, (text: string) => string> = {
        'ADR': chalk.bgBlue.white,
        'DECISION': chalk.bgCyan.black,
        'LESSON': chalk.bgYellow.black,
        'CONTEXT': chalk.bgGreen.black,
        'INSTRUCTION': chalk.bgMagenta.white,
        'PATTERN': chalk.bgWhite.black,
        'GOTCHA': chalk.bgRed.white,
    };
    return colors[category] || chalk.dim;
}