import assert from 'node:assert/strict';
import { execFileSync } from 'node:child_process';
import path from 'node:path';
import test from 'node:test';

const moduleRoot = path.resolve(import.meta.dirname, '..');
const analyzer = path.join(moduleRoot, 'scripts', 'analyze-firstleg-dependencies.mjs');
const contract = path.join(moduleRoot, 'src', 'test', 'resources', 'architecture', 'firstleg-slice-dependencies.json');

function analyze() {
  return JSON.parse(execFileSync(process.execPath, [analyzer, '--source-set', 'main', '--format', 'json'], {
    cwd: moduleRoot,
    encoding: 'utf8',
  }));
}

test('current source does not add slice dependencies beyond the baseline', () => {
  execFileSync(process.execPath, [analyzer, '--source-set', 'main', '--format', 'dot', '--check', contract], {
    cwd: moduleRoot,
    encoding: 'utf8',
  });
});

test('customer statistics remains an independently packaged low-coupling slice', () => {
  const report = analyze();
  const classes = report.classes.filter(entry => entry.slice === 'customer-statistics');
  assert.deepEqual(classes.map(entry => entry.fqcn).sort(), [
    'com.baiyue.firstleg.customerstatistics.adapter.in.web.PlatformCustomerTransitStatisticsController',
    'com.baiyue.firstleg.customerstatistics.adapter.out.persistence.CustomerTransitStatisticsMapper',
    'com.baiyue.firstleg.customerstatistics.application.CustomerTransitStatisticsService',
    'com.baiyue.firstleg.customerstatistics.application.model.CustomerTransitStatisticsDtos',
    'com.baiyue.firstleg.customerstatistics.application.port.out.CustomerTransitStatisticsReader',
  ]);
  const outgoing = report.sliceEdges.filter(edge => edge.source === 'customer-statistics');
  const incoming = report.sliceEdges.filter(edge => edge.target === 'customer-statistics');
  assert.deepEqual(outgoing, [{ source: 'customer-statistics', target: 'shared-technical', count: 1 }]);
  assert.deepEqual(incoming, []);
  assert.equal(report.sliceSccs.some(component => component.includes('customer-statistics')), false);
});

test('customer statistics application layer only depends inward', () => {
  const report = analyze();
  const prefix = 'com.baiyue.firstleg.customerstatistics.application';
  const applicationClasses = report.classes.filter(entry => entry.packageName.startsWith(prefix));
  assert.equal(applicationClasses.length, 3);
  for (const entry of applicationClasses) {
    assert.equal(entry.imports.some(imported => imported.startsWith('org.springframework.web')), false);
    assert.equal(entry.imports.some(imported => imported.startsWith('org.apache.ibatis')), false);
    assert.equal(entry.imports.some(imported => imported.startsWith('com.baomidou.mybatisplus')), false);
  }
  const outwardDependencies = report.classDependencies.filter(edge => edge.source.startsWith(prefix)
    && edge.target.startsWith('com.baiyue.firstleg.') && !edge.target.startsWith(prefix));
  assert.deepEqual(outwardDependencies, []);
});

test('price book query is a leaf slice and removes the package cycle', () => {
  const report = analyze();
  const classes = report.classes.filter(entry => entry.slice === 'pricebook-query');
  assert.deepEqual(classes.map(entry => entry.fqcn).sort(), [
    'com.baiyue.firstleg.pricebookquery.adapter.out.persistence.PriceBookQueryMapper',
    'com.baiyue.firstleg.pricebookquery.application.PriceBookQueryService',
    'com.baiyue.firstleg.pricebookquery.application.model.PriceBookQueryRows',
    'com.baiyue.firstleg.pricebookquery.application.port.in.PriceBookQueryUseCase',
    'com.baiyue.firstleg.pricebookquery.application.port.out.PriceBookQueryReader',
  ]);
  assert.deepEqual(report.sliceEdges.filter(edge => edge.source === 'pricebook-query'), []);
  assert.deepEqual(report.sliceEdges.filter(edge => edge.target === 'pricebook-query')
    .map(edge => edge.source).sort(), ['booking-customs-trucking', 'measurement-pricing', 'split-loading']);
  assert.equal(report.sliceSccs.some(component => component.includes('pricebook-query')), false);
  assert.deepEqual(report.packageSccs, []);
});

test('price book query application and consumers respect ports', () => {
  const report = analyze();
  const prefix = 'com.baiyue.firstleg.pricebookquery.application';
  const applicationClasses = report.classes.filter(entry => entry.packageName.startsWith(prefix));
  assert.equal(applicationClasses.length, 4);
  for (const entry of applicationClasses) {
    assert.equal(entry.imports.some(imported => imported.startsWith('org.springframework.web')), false);
    assert.equal(entry.imports.some(imported => imported.startsWith('org.apache.ibatis')), false);
    assert.equal(entry.imports.some(imported => imported.startsWith('com.baomidou.mybatisplus')), false);
  }
  const outwardDependencies = report.classDependencies.filter(edge => edge.source.startsWith(prefix)
    && edge.target.startsWith('com.baiyue.firstleg.') && !edge.target.startsWith(prefix));
  assert.deepEqual(outwardDependencies, []);
  const allowedTargets = [
    'com.baiyue.firstleg.pricebookquery.application.model.',
    'com.baiyue.firstleg.pricebookquery.application.port.in.',
  ];
  const implementationLeaks = report.classDependencies.filter(edge => !edge.source.startsWith('com.baiyue.firstleg.pricebookquery.')
    && edge.target.startsWith('com.baiyue.firstleg.pricebookquery.')
    && !allowedTargets.some(prefixValue => edge.target.startsWith(prefixValue)));
  assert.deepEqual(implementationLeaks, []);
});