#include <yaml-cpp/yaml.h>

#include "projects/project_list.hpp"

ProjectList::ProjectList() {}

const std::deque<Project>& ProjectList::GetProjects() {
  return projects_;
}

void ProjectList::AddProject(Project&& project) {
  bool exists =
      std::find_if(projects_.begin(), projects_.end(), [&project](const Project& another) {
        return another.GetName() == project.GetName();
      }) != projects_.end();

  if (exists) {
    throw std::logic_error("Project with same name exists");
  }

  projects_.push_back(std::move(project));
}

const Project& ProjectList::GetProject(const std::filesystem::path& path) const {
  size_t index = 0, prefix = 0;
  for (size_t i = 0; i < projects_.size(); ++i) {
    const auto& project = projects_[i];
    if (project.IsSubDirectory(path)) {
      if (prefix < project.GetPath().string().size()) {
        index = i;
        prefix = project.GetPath().string().size();
      }
    }
  }

  if (prefix == 0) {
    throw std::logic_error("Project not exists");
  }

  return projects_[index];
}

void ProjectList::LoadFromYaml(const std::string& file_path) {
  try {
    YAML::Node yaml = YAML::LoadFile(file_path);
    for (const auto& project : yaml["projects"]) {
      std::string path = project["path"].as<std::string>();
      std::string path_to_scripts = project["path_to_scripts"].as<std::string>();
      std::string name = project["name"].as<std::string>();
      projects_.emplace_back(path, path_to_scripts, name);
    }
  } catch (YAML::Exception& e) {
    std::cerr << "Error loading YAML file: " << e.what() << "\n";
  }
}

void ProjectList::SaveToYaml(const std::string& file_path) const {
  YAML::Emitter yaml;
  yaml << YAML::BeginMap;
  yaml << YAML::Key << "projects";
  yaml << YAML::Value << YAML::BeginSeq;
  for (const auto& project : projects_) {
    yaml << YAML::BeginMap;
    yaml << YAML::Key << "path";
    yaml << YAML::Value << project.GetPath();
    yaml << YAML::Key << "path_to_scripts";
    yaml << YAML::Value << project.GetPathToScripts();
    yaml << YAML::Key << "name";
    yaml << YAML::Value << project.GetName();
    yaml << YAML::EndMap;
  }
  yaml << YAML::EndSeq;
  yaml << YAML::EndMap;

  std::ofstream output(file_path);
  output << yaml.c_str();
  output.close();
}