<?php

// src/Commands/RprtCommand.php;

namespace RprtCli\Commands;

use RprtCli\Utils\Configuration\ConfigurationInterface;
use RprtCli\Utils\CsvReport\CsvReportInterface;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Helper\Table;
use Symfony\Component\Console\Helper\TableSeparator;
use Symfony\Component\Console\Input\InputOption;

class RprtCommand extends Command {

  protected $csv;

  protected $configuration;

  public function __construct(CsvReportInterface $csv, ConfigurationInterface $configuration) {
    $this->csv = $csv;
    $this->configuration = $configuration;
    parent::__construct();
  }

  /**
   * Get configuration.
   */
  protected function configure(): void {
    $this->setName('rprt');
    $this->setDescription('Generate monthly report');
    // @TODO $this->addUsage('');
    $this->addOption('file', 'f', InputOption::VALUE_REQUIRED, 'Specify the input csv file to generate report from.');
  }

  protected function execute(InputInterface $input, OutputInterface $output): int {

    if ($file = $input->getOption('file')) {
      $data = $this->csv->getReportData($file);
      $table = $this->generateTable($output, $data);
      $table->render();
      return Command::SUCCESS;
    }

    $this->dummyOutput($input, $output);
    return Command::SUCCESS;
  }

  /**
   * Create table from data that is already inline with configuration.
   */
  protected function generateTable($output, $data) {
    $table = new Table($output);
    $table->setHeaders(['Project', 'Hours', 'Rate', 'Price']);
    list($rows, $total_hours, $total_price) = [[], 0, 0];
    $projects_config = $this->configuration->get('projects');
    foreach ($projects_config as $name => $config) {
      if (!isset($data[$name])) {
        // @TODO Proper error handling.
        var_dump('Project ' . $name . ' is not set!');
        continue;
      }
      $hours = $data[$name];
      if ($config['time_format'] === 'm') {
        $hours = $hours/60;
      }
      $price = $hours * (int) $config['price'];
      $row = [
        $config['name'],
        $hours,
        $config['price'],
        $hours * $config['price'],
      ];
      $rows[] = $row;
      $total_hours += $hours;
      $total_price += $price;
    }
    $rows[] = new TableSeparator();
    // @TODO Check rate in final result.
    $rows[] = ['Zusamen', $total_hours, $config['price'], $total_price];
    $table->setRows($rows);
    return $table;
  }

    /**
     * Dummy output for testing.
     */
  protected function dummyOutput(InputInterface $input, OutputInterface $output): void {
    $output->writeln('I will output a nice table.');
    $table = New Table($output);
    $table->setHeaders(['Project', 'Hours', 'Price']);
    $table->setRows([
      ['LDP', 100, 2600],
      ['WV', 50, 1300],
      new TableSeparator(),
      ['Zusamen', 150, 3900],
    ]);
    // $table->setStyle('borderless');
    $table->render();

  }

}