<?php

namespace App\Repositories\Tool;

use Exception;

class Tool
{
    public string $name;

    public string $homepage_url;

    public string $callback_url;

    public string $description;

    public int $tool_id;

    public array $tool_functions;

    private array $data;

    /**
     * @throws Exception
     */
    public function __construct(int $tool_id, array $data)
    {
        $this->data = $data;
        $this->tool_id = $tool_id;
        $this->parse();
    }

    /**
     * @throws Exception
     */
    private function parse(): void
    {
        // 验证数据
        if (! $this->validate()) {
            throw new Exception('Invalid data');
        }

        $this->name = $this->data['name'];
        $this->description = $this->data['description'];
        $this->homepage_url = $this->data['homepage_url'];
        $this->callback_url = $this->data['callback_url'];
        $this->fetchFunctions();
    }

    private function validate(): bool
    {
        // all fields are required
        if (empty($this->data['name']) ||
            empty($this->data['description']) ||
            empty($this->data['homepage_url']) ||
            empty($this->data['callback_url'])) {
            return false;
        }

        return true;
    }

    /**
     * @throws Exception
     */
    private function fetchFunctions(): void
    {
        foreach ($this->data['functions'] as $f) {
            $a = [
                'type' => 'function',
                'function' => new ToolFunction($f),
            ];

            $this->tool_functions[] = $a;
        }
    }
}