import qbs
import qbs.File
import qbs.FileInfo
import "proto.js" as HelperFunctions

Module {
//    Depends { name: "cpp" }

    property bool enableCompilerWarnings: false
    property string protocBinary: "protoc"
    property string outputTag: "hpp"
    property bool uniqueSymbolPrefix: false

    readonly property string outputDir: product.buildDirectory + "/proto"

    Properties {
        condition: {
            for (var i = 0; i < product.dependencies.length; i++) {
                var dep = product.dependencies[i];
                if (dep.name == "cpp")
                    return true;
            }
            return false;
        }
        cpp.staticLibraries: ["protobuf"]
    }

    Rule {
        inputs: ["proto.input"]
        multiplex: true
        outputFileTags: ["hpp", "cpp"]
        outputArtifacts: {
            var outputDir = product.moduleProperty("proto", "outputDir");
            var artifacts = [];
            inputs["proto.input"].map(function(inp) {
                artifacts.push({
                    fileTags: ["hpp"],
                    filePath: outputDir + "/" + FileInfo.baseName(inp.fileName) + ".pb.h",
                    cpp: {
                        includePaths: [].concat(inp.cpp.includePaths, outputDir),
//                        staticLibraries: [].concat(inp.cpp.staticLibraries, "protobuf"),
                    }
                });
                artifacts.push({
                    fileTags: ["cpp"],
                    filePath: outputDir + "/" + FileInfo.baseName(inp.fileName) + ".pb.cc",
                    cpp: {
                        includePaths: [].concat(inp.cpp.includePaths, outputDir),
//                        staticLibraries: [].concat(inp.cpp.staticLibraries, "protobuf"),
                    }
                });
            });
            return artifacts;
        }

        prepare: {
            var outputDir = product.moduleProperty("proto", "outputDir");

            var mkdir = new JavaScriptCommand();
            mkdir.silent = true;
            mkdir.outputDir = outputDir;
            mkdir.sourceCode = function () {
                File.makePath(outputDir);
            };

            var args = ["--cpp_out", outputDir];
            var files = [];
            inputs["proto.input"].map(function(inp) {
                args.push("--proto_path", FileInfo.path(inp.filePath));
                files.push(inp.filePath);
            });
            for (var i = 0; i < files.length; i++) {
                args.push(files[i]);
            }

            var cmd = new Command(product.moduleProperty("proto", "protocBinary"), args);
            cmd.workingDirectory = product.moduleProperty("proto", "outputDir");
            cmd.description = "generating proto";
            return [mkdir, cmd];
        }
    }

    FileTagger {
        patterns: ["*.proto"]
        fileTags: ["proto.input"];
    }
}