#!/usr/bin/env node
// CLI entry. Parses args, dispatches to bake(), prints summary.

const { bake } = require('../src/bake');

function parseArgs(argv) {
    const opts = {};
    for (let i = 0; i < argv.length; i++) {
        const a = argv[i];
        const next = argv[i + 1];
        switch (a) {
            case '--in':            opts.inDir = next;   i++; break;
            case '--out':           opts.outDir = next;  i++; break;
            case '--atlas-id':      opts.atlasId = next; i++; break;
            case '--tile-size':
                opts.tileSize = (next === 'auto') ? 'auto' : parseInt(next, 10);
                i++;
                break;
            case '--max-size':      opts.maxSize  = parseInt(next, 10); i++; break;
            case '--lock':          opts.lockPath = next; i++; break;
            case '--blocks-sight-pattern':
                opts.blocksSightPattern = new RegExp(next); i++; break;
            case '--pad-px':        opts.padPx = parseInt(next, 10); i++; break;
            case '--schema':        opts.schema = next; i++; break;
            case '--mode':          opts.mode = next; i++; break;
            case '--strip-prefix':  opts.stripPrefix = next; i++; break;
            case '--verbose':       opts.verbose = true; break;
            default:
                console.error(`unknown arg: ${a}`);
                process.exit(2);
        }
    }
    return opts;
}

(async () => {
    try {
        const opts = parseArgs(process.argv.slice(2));
        const result = await bake(opts);
        if (opts.mode === 'sprite') {
            console.log(
                `OK ${result.atlasId}: ${result.spriteCount} sprites, `
                + `${result.boundsW}x${result.boundsH} px atlas`
            );
        } else {
            console.log(
                `OK ${result.atlasId}: ${result.tileCount} tiles, `
                + `${result.boundsW}x${result.boundsH} px atlas`
            );
        }
        process.exit(0);
    } catch (err) {
        console.error('ERROR:', err.message);
        if (err.scanErrors) {
            for (const e of err.scanErrors) console.error('  ', e);
        }
        process.exit(1);
    }
})();