module sdp.output.source_sisupod;
template SiSUpod() {
  import sdp.output;
  import
    std.digest.sha,
    std.file,
    std.outbuffer,
    std.zip,
    std.conv : to;
  import
    sdp.output.create_zip_file,
    sdp.output.xmls;
  void SiSUpod(T)(T doc_matters) {
    debug(asserts) {
      // static assert(is(typeof(doc_matters) == tuple));
    }
    mixin SiSUoutputRgxInit;
    string pwd = doc_matters.env.pwd;
    auto src_path_info = doc_matters.src.path_info;
    auto pth_sisudoc_src = doc_matters.src.path_info;
    auto pths_sisupod = SiSUpathsSisupods!()(doc_matters);
    mixin SiSUlanguageCodes;
    auto lang = Lang();
    static auto rgx = Rgx();
    assert (doc_matters.src.filename.match(rgx.src_fn));
    try {
      /+ create directory structure +/
      if (!exists(pths_sisupod.sisupod_dir_())) {
        // used both by sisupod zipped (& sisupod filesystem (unzipped) which makes its own recursive dirs)
        pths_sisupod.sisupod_dir_().mkdirRecurse;
      }
      if (doc_matters.opt.action.source) {
        if (!exists(pths_sisupod.text_root(doc_matters.src.filename).filesystem_open_zpod)) {
          pths_sisupod.text_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
        }
        if (!exists(pths_sisupod.conf_root(doc_matters.src.filename).filesystem_open_zpod)) {
          pths_sisupod.conf_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
        }
        if (!exists(pths_sisupod.media_root(doc_matters.src.filename).filesystem_open_zpod)) {
          pths_sisupod.media_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
        }
        if (!exists(pths_sisupod.css(doc_matters.src.filename).filesystem_open_zpod)) {
          pths_sisupod.css(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
        }
        if (!exists(pths_sisupod.image_root(doc_matters.src.filename).filesystem_open_zpod)) {
          pths_sisupod.image_root(doc_matters.src.filename).filesystem_open_zpod.mkdirRecurse;
        }
        if (!exists(pths_sisupod.doc_lng(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod)) {
          pths_sisupod.doc_lng(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod.mkdirRecurse;
        }
      }
      debug(sisupod) {
        writeln(__LINE__, ": ",
          doc_matters.src.filename, " -> ",
          pths_sisupod.fn_doc(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod
        );
      }
      auto zip = new ZipArchive();
      auto fn_sisupod = pths_sisupod.sisupod_filename(doc_matters.src.filename).zpod;
      { /+ bundle images +/
        foreach (image; doc_matters.src.image_list) {
          debug(sisupodimages) {
            writeln(
              pth_sisudoc_src.image_root.to!string, "/", image, " -> ",
              pths_sisupod.image_root(doc_matters.src.filename).zpod, "/", image
            );
          }
          auto fn_src_in = pth_sisudoc_src.image_root.to!string ~ "/" ~ image;
          auto fn_src_out_sisupod_zip_base
            = pths_sisupod.image_root(doc_matters.src.filename).zpod.to!string
            ~ "/" ~ image;
          auto fn_src_out_filesystem
            = pths_sisupod.image_root(doc_matters.src.filename).filesystem_open_zpod.to!string
            ~ "/" ~ image;
          if (exists(fn_src_in)) {
            debug(io) {
              writeln("src out found: ", fn_src_in);
            }
            if (doc_matters.opt.action.source) {
              fn_src_in.copy(fn_src_out_filesystem);
            }
            if (doc_matters.opt.action.sisupod) {
              auto zip_arc_member_file = new ArchiveMember();
              zip_arc_member_file.name = fn_src_out_sisupod_zip_base;
              auto zip_data = new OutBuffer();
              zip_data.write(cast(char[]) ((fn_src_in).read));
              zip_arc_member_file.expandedData = zip_data.toBytes();
              zip.addMember(zip_arc_member_file);
            }
          } else {
            if (doc_matters.opt.action.verbose) {
              writeln("src out NOT found (image): ", fn_src_in);
            }
          }
        }
      } { /+ bundle sisu_document_make +/
        auto fn_src_in
          = pth_sisudoc_src.conf_root.to!string ~ "/" ~ "sisu_document_make"; // check (_sisu/sisu_document_make)
        auto fn_src_out_sisupod_zip_base
          = pths_sisupod.conf_root(doc_matters.src.filename).zpod.to!string ~ "/" ~ "sisu_document_make";
        auto fn_src_out_filesystem
          = pths_sisupod.conf_root(doc_matters.src.filename).filesystem_open_zpod.to!string
          ~ "/" ~ "sisu_document_make"; // TODO
        if (exists(fn_src_in)) {
          debug(io) {
            writeln("src out found: ", fn_src_in);
          }
          if (doc_matters.opt.action.source) {
            fn_src_in.copy(fn_src_out_filesystem);
          }
          if (doc_matters.opt.action.sisupod) {
            auto zip_arc_member_file = new ArchiveMember();
            zip_arc_member_file.name = fn_src_out_sisupod_zip_base;
            auto zip_data = new OutBuffer();
            zip_data.write((fn_src_in).readText);
            zip_arc_member_file.expandedData = zip_data.toBytes();
            zip.addMember(zip_arc_member_file);
          }
        } else {
          if (doc_matters.opt.action.verbose) {
            writeln("src out NOT found (document make): ", fn_src_in);
          }
        }
      } { /+ TODO bundle primary file +/
        auto fn_src_in = doc_matters.src.file_with_absolute_path.to!string;
        auto fn_src_out_sisupod_zip_base
          = pths_sisupod.fn_doc(doc_matters.src.filename, doc_matters.src.language).zpod.to!string;
        auto fn_src_out_filesystem
          = pths_sisupod.fn_doc(doc_matters.src.filename, doc_matters.src.language).filesystem_open_zpod.to!string; // needed without root path:
        auto fn_src_out_inside_pod
          = pths_sisupod.fn_doc(doc_matters.src.filename, doc_matters.src.language).zpod.to!string; // needed without root path:
        string[] filelist_src_out_sisupod_arr;
        string[] filelist_src_zpod_arr;
        if (exists(fn_src_in)) {
          debug(io) {
            writeln("src out found: ", fn_src_in);
          }
          filelist_src_out_sisupod_arr ~= fn_src_out_sisupod_zip_base;
          filelist_src_zpod_arr ~= fn_src_out_inside_pod;
          if (doc_matters.opt.action.source) {
            auto filelist
              = File(pths_sisupod.fn_pod_filelist(doc_matters.src.filename).filesystem_open_zpod, "w");
            foreach (source_pth_and_fn; filelist_src_zpod_arr) {
              filelist.writeln(source_pth_and_fn);
            }
            fn_src_in.copy(fn_src_out_filesystem);
          }
          if (doc_matters.opt.action.sisupod) {
            auto zip_arc_member_file = new ArchiveMember();
            zip_arc_member_file.name = fn_src_out_sisupod_zip_base;
            auto zip_data = new OutBuffer();
            zip_data.write((fn_src_in).readText);
            zip_arc_member_file.expandedData = zip_data.toBytes();
            zip.addMember(zip_arc_member_file);
          }
        } else {
          if (doc_matters.opt.action.verbose) {
            writeln("src out NOT found (markup source): ", fn_src_in);
          }
        }
      } { /+ bundle insert files +/
        if (doc_matters.src.file_insert_list.length > 0) {
          foreach (insert_file; doc_matters.src.file_insert_list) {
            debug(sisupod) {
              writeln(
                insert_file, " -> ",
                pths_sisupod.fn_doc_insert(
                  doc_matters.src.filename,
                  insert_file,
                  doc_matters.src.language,
                ).zpod
              );
            }
            auto fn_src_in = insert_file;
            auto fn_src_out_sisupod_zip_base
              = pths_sisupod.fn_doc_insert(
                doc_matters.src.filename,
                insert_file,
                doc_matters.src.language,
              ).zpod.to!string;
            auto fn_src_out_filesystem
              = pths_sisupod.fn_doc_insert(
                doc_matters.src.filename,
                insert_file,
                doc_matters.src.language,
              ).filesystem_open_zpod.to!string;
            if (exists(fn_src_in)) {
              debug(io) {
                writeln("src out found: ", fn_src_in);
              }
              if (doc_matters.opt.action.source) {
                fn_src_in.copy(fn_src_out_filesystem);
              }
              if (doc_matters.opt.action.sisupod) {
                auto zip_arc_member_file = new ArchiveMember();
                zip_arc_member_file.name = fn_src_out_sisupod_zip_base;
                auto zip_data = new OutBuffer();
                zip_data.write((fn_src_in).readText);
                zip_arc_member_file.expandedData = zip_data.toBytes();
                zip.addMember(zip_arc_member_file);
                createZipFile!()(fn_sisupod, zip.build());
              }
            } else {
              if (doc_matters.opt.action.verbose) {
                writeln("src out NOT found (insert file): ", fn_src_in);
              }
            }
          }
        }
      } {
        auto fn_src_in = doc_matters.src.filename;
        if (exists(fn_src_in)) {
          if (doc_matters.opt.action.sisupod) {
            createZipFile!()(fn_sisupod, zip.build());
          }
        }
      }
      if (exists(fn_sisupod)) {
        try {
          auto data = (cast(byte[]) (fn_sisupod).read);
          writefln("%-(%02x%) %s", data.sha256Of, fn_sisupod);
          debug(sisupod) {
            try {
              auto zipped = new ZipArchive((fn_sisupod).read);
              foreach (filename, member; zipped.directory) {
                auto data = zipped.expand(member);
                writeln("> ", filename, " length ", data.length);
              }
            }
            catch (ZipException ex) {
              // Handle errors
            }
            if (doc_matters.src.filename == "sisudoc/media/text/en/the_wealth_of_networks.yochai_benkler.sst") {
              assert(
                ((data).sha256Of).toHexString
                == "626F83A31ED82F42CF528E922C1643498A137ABA3F2E5AFF8A379EA79EA22A1E",
                "\nsisupod: sha256 value for "
                ~ doc_matters.src.filename
                ~ " has changed, is now: "
                ~ ((data).sha256Of).toHexString
              );
            }
            if (doc_matters.src.filename == "sisudoc/media/text/en/sisu_markup_stress_test.sst") {
              assert(
                ((data).sha256Of).toHexString
                == "AAE0C87AB3F6D5F7385AEEA6EE661F56D40475CFE87AD930C78C9FE07FFB0D91",
                "\nsisupod: sha256 value for "
                ~ doc_matters.src.filename
                ~ " has changed, is now: "
                ~ ((data).sha256Of).toHexString
              );
            }
          }
        }
        catch (ErrnoException ex) {
          // Handle errors
        }
      }
      
    }
    catch (ErrnoException ex) {
      // Handle error
    }
  }
}