/++
  read configuration files<BR>
  - read config files<BR>
  meta_config_files.d
+/
module doc_reform.source.read_config_files;
static template configReadInSiteSTR() {
  import
    doc_reform.meta,
    doc_reform.source.paths_source,
    std.file,
    std.path;
  final string configReadInSiteSTR(M,E)(M manifest, E env) {
    auto conf_file_details = ConfigFilePaths!()(manifest, env);
    string conf_toml = conf_file_details.config_filename_site;
    string[] possible_config_path_locations = conf_file_details.possible_config_path_locations.config_local_site;
    string config_file_str;
    debug(io) {
      writeln("WARNING (io debug) in config filename: ", conf_toml);
      writeln("WARNING (io debug) in config possible path locations: ", possible_config_path_locations);
    }
    foreach(pth; possible_config_path_locations) {
      auto conf_file = ((chainPath(pth.to!string, conf_toml)).asNormalizedPath).array;
      if (config_file_str.length > 0) {
        break;
      }
      try {
        if (exists(conf_file)) {
          debug(io) {
            writeln("WARNING (io debug) in config file found: ", conf_file);
          }
          config_file_str = conf_file.readText;
          break;
        }
      } catch (ErrnoException ex) {
      } catch (FileException ex) {
      }
    }
    return config_file_str;
  }
}
static template configReadInDocSTR() {
  import
    doc_reform.meta,
    doc_reform.source.paths_source,
    std.file,
    std.path;
  final string configReadInDocSTR(M,E)(M manifest, E env) {
    auto conf_file_details = ConfigFilePaths!()(manifest, env);
    string conf_toml = conf_file_details.config_filename_document;
    string[] possible_config_path_locations = conf_file_details.possible_config_path_locations.dr_document_make;
    string config_file_str;
    debug(io) {
      writeln("WARNING (io debug) in config filename: ", conf_toml);
      writeln("WARNING (io debug) in config possible path locations: ", possible_config_path_locations);
    }
    foreach(pth; possible_config_path_locations) {
      auto conf_file = ((chainPath(pth.to!string, conf_toml)).asNormalizedPath).array;
      if (config_file_str.length > 0) {
        break;
      }
      try {
        if (exists(conf_file)) {
          debug(io) {
            writeln("WARNING (io debug) in config file found: ", conf_file);
          }
          config_file_str = conf_file.readText;
          break;
        }
      } catch (ErrnoException ex) {
      } catch (FileException ex) {
      }
    }
    return config_file_str;
  }
}
static template configTOML() {
  import toml; //
  import
    doc_reform.meta,
    doc_reform.source.paths_source,
    std.file,
    std.path;
  TOMLDocument configTOML(string configuration, string conf_toml_filename) {
    TOMLDocument _toml_conf;
    try {
      _toml_conf = parseTOML(configuration); // parseTOML(cast(string)(configuration));
    } catch(ErrnoException e) {
      stderr.writeln("Toml problem with content for ", conf_toml_filename);
      stderr.writeln(e.msg);
    }
    return _toml_conf;
  }
}
static template readConfigSite() {
  import
    doc_reform.meta.rgx;
  import
    doc_reform.meta,
    doc_reform.source.paths_source,
    std.file,
    std.path;
  mixin DocReformRgxInit;
  final auto readConfigSite(M,E)(M _manifest, E _env) {
    static auto rgx = Rgx();
    string config_file_str;
    string conf_filename = "NONE";
    auto _conf_file_details = ConfigFilePaths!()(_manifest, _env);
    string[] possible_config_path_locations = _conf_file_details.possible_config_path_locations.config_local_site;
    foreach(conf_fn; [_conf_file_details.config_filename_site]) {
      foreach(pth; possible_config_path_locations) {
        char[] conf_file = ((chainPath(pth.to!string, conf_fn)).asNormalizedPath).array;
        conf_filename = conf_fn;
        if (config_file_str.length > 0) {
          // conf_filename = conf_fn;
          break;
        }
        try {
          if (exists(conf_file)) {
            debug(io) {
              writeln("WARNING (io debug) in config file found: ", conf_file);
            }
            config_file_str = conf_file.readText;
            break;
          }
        } catch (ErrnoException ex) {
        } catch (FileException ex) {
        }
      }
      if (config_file_str.length > 0) { break; }
    }
    struct _ConfContent {
      string filename() {
        return conf_filename;
      }
      string filetype() {
        string _ft = "";
        if (content.match(rgx.yaml_config)) {
          _ft = "yaml";
        } else if (content.match(rgx.toml_config)) {
          _ft = "toml";
        }
        return _ft;
      }
      string content() {
        return config_file_str;
      }
    }
    return _ConfContent();
  }
}
static template readConfigDoc() {
  import
    doc_reform.meta.rgx;
  import
    doc_reform.meta,
    doc_reform.source.paths_source,
    std.file,
    std.path;
  mixin DocReformRgxInit;
  final auto readConfigDoc(M,E)(M _manifest, E _env) {
    static auto rgx = Rgx();
    string config_file_str;
    string conf_filename = "NONE";
    auto _conf_file_details = ConfigFilePaths!()(_manifest, _env);
    string[] possible_config_path_locations = _conf_file_details.possible_config_path_locations.dr_document_make;
    foreach(conf_fn; [_conf_file_details.config_filename_document]) {
      foreach(pth; possible_config_path_locations) {
        auto conf_file = ((chainPath(pth.to!string, conf_fn)).asNormalizedPath).array;
        conf_filename = conf_fn;
        if (config_file_str.length > 0) {
          // conf_filename = conf_fn;
          break;
        }
        try {
          if (exists(conf_file)) {
            debug(io) {
              writeln("WARNING (io debug) in config file found: ", conf_file);
            }
            config_file_str = conf_file.readText;
            break;
          }
        } catch (ErrnoException ex) {
        } catch (FileException ex) {
        }
      }
      if (config_file_str.length > 0) { break; }
    }
    struct _ConfContent {
      string filename() {
        return conf_filename;
      }
      string content() {
        return config_file_str;
      }
      string filetype() {
        string _ft = "";
        if (content.match(rgx.yaml_config)) {
          _ft = "yaml";
        } else if (content.match(rgx.toml_config)) {
          _ft = "toml";
        }
        return _ft;
      }
    }
    return _ConfContent();
  }
}
static template configReadSiteYAML() {
  import
    doc_reform.meta,
    doc_reform.source.paths_source,
    std.file,
    std.path;
  import dyaml;
  final YAMLDocument configReadSiteYAML(M,E)(M _manifest, E _env) {
    string _configuration = configReadInSiteYAML!()(_manifest, _env);
    auto _conf_file_details = ConfigFilePaths!()(_manifest, _env);
    string _conf_yaml = _conf_file_details.config_filename_site;
    YAMLDocument _yaml_conf = configYAML!()(_configuration, _conf_yaml);
    return _yaml_conf;
  }
}
static template configReadDocYAML() {
  import
    doc_reform.meta,
    doc_reform.source.paths_source,
    std.file,
    std.path;
  import yaml;
  final YAMLDocument configReadDocYAML(M,E)(M _manifest, E _env) {
    string _configuration = configReadInDocYAML!()(_manifest, _env);
    auto _conf_file_details = ConfigFilePaths!()(_manifest, _env);
    string _conf_yaml = _conf_file_details.config_filename_document;
    YAMLDocument _yaml_conf = configYAML!()(_configuration, _conf_yaml);
    return _yaml_conf;
  }
}
static template configReadSiteTOML() {
  import
    doc_reform.meta,
    doc_reform.source.paths_source,
    std.file,
    std.path;
  import toml;
  final TOMLDocument configReadSiteTOML(M,E)(M _manifest, E _env) {
    string _configuration = configReadInSiteSTR!()(_manifest, _env);
    auto _conf_file_details = ConfigFilePaths!()(_manifest, _env);
    string _conf_toml = _conf_file_details.config_filename_site;
    TOMLDocument _toml_conf = configTOML!()(_configuration, _conf_toml);
    return _toml_conf;
  }
}
static template configReadDocTOML() {
  import
    doc_reform.meta,
    doc_reform.source.paths_source,
    std.file,
    std.path;
  import toml;
  final TOMLDocument configReadDocTOML(M,E)(M _manifest, E _env) {
    string _configuration = configReadInDocSTR!()(_manifest, _env);
    auto _conf_file_details = ConfigFilePaths!()(_manifest, _env);
    string _conf_toml = _conf_file_details.config_filename_document;
    TOMLDocument _toml_conf = configTOML!()(_configuration, _conf_toml);
    return _toml_conf;
  }
}