'use strict';

const assert = require('assert');
const fs = require('fs');
const path = require('path');
const RuleCompiler = require('./rule-compiler.js');

// 1. Bundled example ruleset compiles and produces expected cap/tag metadata.
const rules = [];
const caps = {};
const tags = {};
let err = RuleCompiler.compile(
	fs.readFileSync(path.join(__dirname, 'examples', 'capabilities-and-tags.ztrules')).toString(),
	rules, caps, tags);
assert.strictEqual(err, null, 'example ruleset must compile, got: ' + JSON.stringify(err));
assert.ok(Array.isArray(rules) && rules.length > 0, 'document-level rules emitted');
assert.strictEqual(caps.ssh.id, 1000, 'cap ssh id');
assert.strictEqual(caps.ssh.default, false, 'cap ssh not default');
assert.ok(caps.ssh.rules.length > 0, 'cap ssh body rendered');
assert.strictEqual(tags.department.id, 1000, 'tag department id');
assert.strictEqual(tags.department.enums.engineering, 400, 'tag department enum');
assert.ok(rules.some(r => r.type === 'ACTION_ACCEPT'), 'example contains an accept rule');

// 2. Syntax/semantic errors return [line, col, message], not a throw.
err = RuleCompiler.compile('tag broken\n;\n', [], {}, {});
assert.ok(Array.isArray(err) && err.length === 3, 'error tuple returned');
assert.ok(err[0] >= 1, 'error carries line number');
assert.strictEqual(typeof err[2], 'string');
assert.ok(err[2].length > 0, 'error carries message');

// 3. Undefined tag reference rejected with error tuple.
err = RuleCompiler.compile('accept tdiff nosuchtag 1;\n', [], {}, {});
assert.ok(Array.isArray(err) && err.length === 3, 'undefined tag rejected');

// 4. Non-string src rejected without throwing.
err = RuleCompiler.compile(42, [], {}, {});
assert.ok(Array.isArray(err), 'non-string src rejected');

console.log('rule-compiler: all tests passed');