using Core;
using Core.Helpers;
using Generator.Daos;
using Generator.DataSource.Yaml;

namespace Generator.Repo;

public class ApiAnalyzer
{

    private readonly EnvironmentDao _envDao;
    private readonly OpenApiDao _openApiDao;

    public ApiAnalyzer(OpenApiDao openApiDao, EnvironmentDao envDao)
    {
        _envDao = envDao;
        _openApiDao = openApiDao;
    }

    public IEnumerable<Location> ListSpecifications()
    {
        var res = new List<string>();
        var directories = Directory.GetDirectories(_envDao.ApiFolder().ToString());

        foreach (var d in directories) res.AddRange(Directory.EnumerateFiles(d));

        return res
            .Select(s => new Location(s))
            .Where(s => s.HasExtension("yaml"));
    }

    public bool CanBeGenerated(string folder, string spec)
    {
        var extractor = new OpenApiYamlExtractor();
        var path = _openApiDao.ConfigOf($"{folder}/{folder}");
        var configs = extractor.LoadConfigs(path.ToString());
        return configs.ContainsKey(spec);
    }
    
    public string GetText(string folder, string spec)
    {
        var path = _envDao.ApiFolder().ConcatenateWith([folder, $"{spec}.yaml"]);
        return PathHelper.TextFrom(path.ToString());
    }
}