/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#include "cmQTWrapUICommand.h"

#include "cmCustomCommandLines.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmSystemTools.h"

#include <utility>

class cmExecutionStatus;

// cmQTWrapUICommand
bool
cmQTWrapUICommand::InitialPass(std::vector<std::string> const& args,
                               cmExecutionStatus&)
{
    if(args.size() < 4)
    {
        this->SetError("called with incorrect number of arguments");
        return false;
    }

    // Get the uic and moc executables to run in the custom commands.
    std::string const& uic_exe =
        this->Makefile->GetRequiredDefinition("QT_UIC_EXECUTABLE");
    std::string const& moc_exe =
        this->Makefile->GetRequiredDefinition("QT_MOC_EXECUTABLE");

    // Get the variable holding the list of sources.
    std::string const& headerList = args[1];
    std::string const& sourceList = args[2];
    std::string headerListValue = this->Makefile->GetSafeDefinition(headerList);
    std::string sourceListValue = this->Makefile->GetSafeDefinition(sourceList);

    // Create rules for all sources listed.
    for(std::vector<std::string>::const_iterator j = (args.begin() + 3);
        j != args.end(); ++j)
    {
        cmSourceFile* curr = this->Makefile->GetSource(*j);
        // if we should wrap the class
        if(!(curr && curr->GetPropertyAsBool("WRAP_EXCLUDE")))
        {
            // Compute the name of the files to generate.
            std::string srcName =
                cmSystemTools::GetFilenameWithoutLastExtension(*j);
            std::string hName = this->Makefile->GetCurrentBinaryDirectory();
            hName += "/";
            hName += srcName;
            hName += ".h";
            std::string cxxName = this->Makefile->GetCurrentBinaryDirectory();
            cxxName += "/";
            cxxName += srcName;
            cxxName += ".cxx";
            std::string mocName = this->Makefile->GetCurrentBinaryDirectory();
            mocName += "/moc_";
            mocName += srcName;
            mocName += ".cxx";

            // Compute the name of the ui file from which to generate others.
            std::string uiName;
            if(cmSystemTools::FileIsFullPath(*j))
            {
                uiName = *j;
            } else
            {
                if(curr && curr->GetPropertyAsBool("GENERATED"))
                {
                    uiName = this->Makefile->GetCurrentBinaryDirectory();
                } else
                {
                    uiName = this->Makefile->GetCurrentSourceDirectory();
                }
                uiName += "/";
                uiName += *j;
            }

            // create the list of headers
            if(!headerListValue.empty())
            {
                headerListValue += ";";
            }
            headerListValue += hName;

            // create the list of sources
            if(!sourceListValue.empty())
            {
                sourceListValue += ";";
            }
            sourceListValue += cxxName;
            sourceListValue += ";";
            sourceListValue += mocName;

            // set up .ui to .h and .cxx command
            cmCustomCommandLine hCommand;
            hCommand.push_back(uic_exe);
            hCommand.push_back("-o");
            hCommand.push_back(hName);
            hCommand.push_back(uiName);
            cmCustomCommandLines hCommandLines;
            hCommandLines.push_back(std::move(hCommand));

            cmCustomCommandLine cxxCommand;
            cxxCommand.push_back(uic_exe);
            cxxCommand.push_back("-impl");
            cxxCommand.push_back(hName);
            cxxCommand.push_back("-o");
            cxxCommand.push_back(cxxName);
            cxxCommand.push_back(uiName);
            cmCustomCommandLines cxxCommandLines;
            cxxCommandLines.push_back(std::move(cxxCommand));

            cmCustomCommandLine mocCommand;
            mocCommand.push_back(moc_exe);
            mocCommand.push_back("-o");
            mocCommand.push_back(mocName);
            mocCommand.push_back(hName);
            cmCustomCommandLines mocCommandLines;
            mocCommandLines.push_back(std::move(mocCommand));

            std::vector<std::string> depends;
            depends.push_back(uiName);
            std::string no_main_dependency;
            const char* no_comment     = nullptr;
            const char* no_working_dir = nullptr;
            this->Makefile->AddCustomCommandToOutput(
                hName, depends, no_main_dependency, hCommandLines, no_comment,
                no_working_dir);

            depends.push_back(hName);
            this->Makefile->AddCustomCommandToOutput(
                cxxName, depends, no_main_dependency, cxxCommandLines,
                no_comment, no_working_dir);

            depends.clear();
            depends.push_back(hName);
            this->Makefile->AddCustomCommandToOutput(
                mocName, depends, no_main_dependency, mocCommandLines,
                no_comment, no_working_dir);
        }
    }

    // Store the final list of source files and headers.
    this->Makefile->AddDefinition(sourceList, sourceListValue.c_str());
    this->Makefile->AddDefinition(headerList, headerListValue.c_str());
    return true;
}
