Plan save-version targets in app core

tools/pano_cli/main.cpp

@@ -103,6 +103,12 @@ struct PlanDocumentFileArgs {
     bool target_exists = false;
 };
 
+struct PlanDocumentVersionArgs {
+    std::string directory;
+    std::string document_name;
+    std::vector<std::string> existing_paths;
+};
+
 struct PlanExportTargetArgs {
     std::string kind;
     std::string work_directory;
@@ -372,6 +378,7 @@ void print_help()
         << "  inspect-project --path FILE\n"
         << "  classify-open --path FILE\n"
         << "  plan-document-file --work-dir DIR --name NAME [--target-exists]\n"
+        << "  plan-document-version --directory DIR --doc-name NAME [--existing-path FILE]\n"
         << "  plan-export-target --kind file|collection|stem|name --doc-name NAME [--work-dir DIR] [--directory DIR] [--extension EXT] [--suffix SUFFIX]\n"
         << "  load-project --path FILE\n"
         << "  parse-layout --path FILE\n"
@@ -1272,6 +1279,75 @@ int plan_document_file(int argc, char** argv)
     return 0;
 }
 
+pp::foundation::Status parse_plan_document_version_args(
+    int argc,
+    char** argv,
+    PlanDocumentVersionArgs& args)
+{
+    for (int i = 2; i < argc; ++i) {
+        const std::string_view key(argv[i]);
+        if (key == "--directory") {
+            if (i + 1 >= argc) {
+                return pp::foundation::Status::invalid_argument("missing value for option");
+            }
+            args.directory = argv[++i];
+        } else if (key == "--doc-name") {
+            if (i + 1 >= argc) {
+                return pp::foundation::Status::invalid_argument("missing value for option");
+            }
+            args.document_name = argv[++i];
+        } else if (key == "--existing-path") {
+            if (i + 1 >= argc) {
+                return pp::foundation::Status::invalid_argument("missing value for option");
+            }
+            args.existing_paths.push_back(argv[++i]);
+        } else {
+            return pp::foundation::Status::invalid_argument("unknown option");
+        }
+    }
+
+    if (args.directory.empty()) {
+        return pp::foundation::Status::invalid_argument("directory must not be empty");
+    }
+
+    if (args.document_name.empty()) {
+        return pp::foundation::Status::invalid_argument("document name must not be empty");
+    }
+
+    return pp::foundation::Status::success();
+}
+
+int plan_document_version(int argc, char** argv)
+{
+    PlanDocumentVersionArgs args;
+    const auto status = parse_plan_document_version_args(argc, argv, args);
+    if (!status.ok()) {
+        print_error("plan-document-version", status.message);
+        return 2;
+    }
+
+    const auto target = pp::app::find_next_document_version_target(
+        args.directory,
+        args.document_name,
+        [&args](const std::string& path) {
+            return std::find(args.existing_paths.begin(), args.existing_paths.end(), path)
+                != args.existing_paths.end();
+        });
+    if (!target) {
+        print_error("plan-document-version", target.status().message);
+        return 2;
+    }
+
+    std::cout << "{\"ok\":true,\"command\":\"plan-document-version\""
+              << ",\"input\":{\"directory\":\"" << json_escape(args.directory)
+              << "\",\"documentName\":\"" << json_escape(args.document_name)
+              << "\",\"existingPaths\":" << args.existing_paths.size()
+              << "},\"target\":{\"name\":\"" << json_escape(target.value().name)
+              << "\",\"path\":\"" << json_escape(target.value().path)
+              << "\"}}\n";
+    return 0;
+}
+
 pp::foundation::Status parse_plan_export_target_args(
     int argc,
     char** argv,
@@ -3403,6 +3479,10 @@ int main(int argc, char** argv)
         return plan_document_file(argc, argv);
     }
 
+    if (command == "plan-document-version") {
+        return plan_document_version(argc, argv);
+    }
+
     if (command == "plan-export-target") {
         return plan_export_target(argc, argv);
     }