<?php

declare(strict_types=1);

namespace PmConverter\Converters\OpenCollection;

use PmConverter\Converters\Abstract\AbstractRequest;
use PmConverter\Exceptions\EmptyHttpVerbException;

/**
 * Class to determine file content with OpenCollection format
 */
class OpenCollectionRequest extends AbstractRequest
{
    /**
     * @inheritDoc
     */
    protected function prepareDescription(): array
    {
        return empty($this->description)
            ? []
            : ['description: |', '  ' . str_replace("\n", "\n  ", $this->description), ''];
    }

    /**
     * @inheritDoc
     * @throws EmptyHttpVerbException
     */
    protected function prepareHeaders(): array
    {
        $output = ['headers:'];
        foreach ($this->headers as $name => $data) {
            $prefix = $data['disabled'] ? '# ' : '';
            $output[] = sprintf('%s  %s: %s', $prefix, $name, $data['value']);
        }
        return $output;
    }

    /**
     * @inheritDoc
     */
    protected function prepareBody(): array
    {
        $output = ['body:'];
        
        switch ($this->getBodymode()) {
            case 'formdata':
                $output[] = '  type: formdata';
                $output[] = '  files:';
                foreach ($this->body as $key => $data) {
                    $disabled = $data['disabled'] ?? false;
                    $prefix = $disabled ? '# ' : '  ';
                    if ($data['type'] === 'file') {
                        $output[] = sprintf('%s- name: %s', $prefix, $key);
                        $output[] = sprintf('%s  type: file', $prefix);
                        $output[] = sprintf('%s  value: %s', $prefix, $data['value']);
                    } else {
                        $output[] = sprintf('%s- name: %s', $prefix, $key);
                        $output[] = sprintf('%s  type: text', $prefix);
                        $output[] = sprintf('%s  value: %s', $prefix, $data['value']);
                    }
                }
                break;
            default:
                $output[] = '  type: raw';
                if (!empty($this->body)) {
                    $output[] = '  content: |';
                    $bodyContent = is_string($this->body) ? $this->body : json_encode($this->body, JSON_PRETTY_PRINT);
                    foreach (explode("\n", $bodyContent) as $line) {
                        $output[] = '    ' . $line;
                    }
                }
                break;
        }
        
        return $output;
    }

    /**
     * @inheritDoc
     * @throws EmptyHttpVerbException
     */
    public function __toString(): string
    {
        $output = [
            'name: ' . $this->getName(),
            'type: request',
            '',
        ];
        
        $output[] = 'method: ' . strtolower($this->getVerb());
        $output[] = '';
        
        $url = $this->getRawUrl();
        $output[] = 'url: ' . $url;
        $output[] = '';
        
        $output = array_merge($output, $this->prepareDescription());
        
        if (!empty($this->headers)) {
            $output = array_merge($output, $this->prepareHeaders());
            $output[] = '';
        }
        
        if ($this->verb !== 'GET' && !empty($this->body)) {
            $output = array_merge($output, $this->prepareBody());
            $output[] = '';
        }
        
        return implode("\n", $output);
    }
}