<?php
/**
 * @package AccessMate
 * @license GPL-2.0-or-later
 */
defined( 'ABSPATH' ) || exit;

class AccessMate_Providers {

    public static function all(): array {
        return [
            'anthropic' => [
                'label'    => 'Anthropic Claude',
                'endpoint' => 'https://api.anthropic.com/v1/messages',
                'models'   => [ 'claude-haiku-4-5-20251001', 'claude-sonnet-4-20250514' ],
                'default'  => 'claude-haiku-4-5-20251001',
                'auth'     => 'x-api-key',
                'format'   => 'anthropic',
            ],
            'openai' => [
                'label'    => 'OpenAI',
                'endpoint' => 'https://api.openai.com/v1/chat/completions',
                'models'   => [ 'gpt-4o-mini', 'gpt-4o' ],
                'default'  => 'gpt-4o-mini',
                'auth'     => 'Authorization',
                'format'   => 'openai',
            ],
            'gemini' => [
                'label'    => 'Google Gemini',
                'endpoint' => 'https://generativelanguage.googleapis.com/v1beta/models/{model}:generateContent',
                'models'   => [ 'gemini-2.5-flash', 'gemini-2.5-pro' ],
                'default'  => 'gemini-2.5-flash',
                'auth'     => 'key',
                'format'   => 'gemini',
            ],
            'ollama' => [
                'label'    => 'Ollama (local)',
                'endpoint' => 'http://localhost:11434/api/chat',
                'models'   => [ 'llama3.2', 'mistral', 'phi3' ],
                'default'  => 'llama3.2',
                'auth'     => null,
                'format'   => 'ollama',
            ],
        ];
    }

    public static function get( string $provider ): ?array {
        return self::all()[ $provider ] ?? null;
    }

    public static function is_valid( string $provider ): bool {
        return array_key_exists( $provider, self::all() );
    }
}