unit pkgUninstalledSrcsRepo;

{$mode objfpc}{$H+}

interface

uses
  Classes,
  SysUtils,
  fpmkunit,
  pkgoptions,
  pkgFppkg,
  pkgglobals,
  pkgmessages,
  fprepos,
  pkgrepos,
  pkghandler,
  pkgPackagesStructure;

type

  { TFppkgUninstalledSourceRepositoryOptionSection }

  TFppkgUninstalledSourceRepositoryOptionSection = class(TFppkgRepositoryOptionSection)
  protected
    class function GetKey: string; override;
  public
    function GetRepositoryType: TFPRepositoryType; override;
  end;

  { TFPUninstalledSourcesAvailablePackagesStructure }

  TFPUninstalledSourcesAvailablePackagesStructure = class(TFPCustomFileSystemPackagesStructure)
  public
    class function GetRepositoryOptionSectionClass: TFppkgRepositoryOptionSectionClass; override;
    procedure InitializeWithOptions(ARepoOptionSection: TFppkgRepositoryOptionSection; AnOptions: TFppkgOptions; ACompilerOptions: TCompilerOptions); override;

    function AddPackagesToRepository(ARepository: TFPRepository): Boolean; override;
    function GetBuildPathDirectory(APackage: TFPPackage): string; override;
  end;


  { TFppkgUninstalledRepositoryOptionSection }

  TFppkgUninstalledRepositoryOptionSection = class(TFppkgRepositoryOptionSection)
  private
    FSourceRepositoryName: string;
  protected
    class function GetKey: string; override;
  public
    procedure AddKeyValue(const AKey, AValue: string); override;
    procedure LogValues(ALogLevel: TLogLevel); override;
    function GetRepositoryType: TFPRepositoryType; override;
    procedure SaveToStrings(AStrings: TStrings); override;
    property SourceRepositoryName: string read FSourceRepositoryName write FSourceRepositoryName;
  end;

  { TFPUninstalledSourcesPackagesStructure }

  TFPUninstalledSourcesPackagesStructure = class(TFPCustomFileSystemPackagesStructure)
  private
    FSourceRepositoryName: string;
    FLinkedRepositoryName: string;
  public
    class function GetRepositoryOptionSectionClass: TFppkgRepositoryOptionSectionClass; override;
    procedure InitializeWithOptions(ARepoOptionSection: TFppkgRepositoryOptionSection; AnOptions: TFppkgOptions; ACompilerOptions: TCompilerOptions); override;

    function AddPackagesToRepository(ARepository: TFPRepository): Boolean; override;
    function IsInstallationNeeded(APackage: TFPPackage): TFPInstallationNeeded; override;
    function GetBaseInstallDir: string; override;
    function GetConfigFileForPackage(APackage: TFPPackage): string; override;
    property SourceRepositoryName: string read FSourceRepositoryName write FSourceRepositoryName;
  end;


implementation

const
  KeySourceRepository  = 'SourceRepository';
  SLogSourceRepository = '  SourceRepository:%s';
  KeySrcRepositorySection = 'UninstalledSourceRepository';
  KeyUninstalledRepository = 'UninstalledRepository';
  KeyRepositorySection = 'Repository';

{ TFPUninstalledSourcesPackagesStructure }

class function TFPUninstalledSourcesPackagesStructure.GetRepositoryOptionSectionClass: TFppkgRepositoryOptionSectionClass;
begin
  Result := TFppkgUninstalledRepositoryOptionSection;
end;

procedure TFPUninstalledSourcesPackagesStructure.InitializeWithOptions(
  ARepoOptionSection: TFppkgRepositoryOptionSection; AnOptions: TFppkgOptions;
  ACompilerOptions: TCompilerOptions);
var
  RepoOptionSection: TFppkgUninstalledRepositoryOptionSection;
begin
  inherited InitializeWithOptions(ARepoOptionSection, AnOptions, ACompilerOptions);
  RepoOptionSection := ARepoOptionSection as TFppkgUninstalledRepositoryOptionSection;
  path := RepoOptionSection.Path;
  SourceRepositoryName := RepoOptionSection.SourceRepositoryName;
  FLinkedRepositoryName := RepoOptionSection.RepositoryName;
end;

function TFPUninstalledSourcesPackagesStructure.AddPackagesToRepository(ARepository: TFPRepository): Boolean;

var
  SRD : TSearchRec;
  SRF : TSearchRec;
  P  : TFPPackage;
  UD : String;
begin
  Result:=false;
  log(llDebug,SLogFindInstalledPackages,[Path]);
  if FindFirst(Path+AllFiles,faDirectory,SRD)=0 then
    begin
      repeat
          // Try new .fpm-file
          UD:=Path+SRD.Name+PathDelim;

          if FindFirst(UD+'*'+FpmkExt,faAnyFile,SRF)=0 then
            begin
              repeat
                AddPackageToRepository(ARepository, ChangeFileExt(SRF.Name,''), UD+SRF.Name);
              until FindNext(SRF)<>0;
            end;
          FindClose(SRF);
      until FindNext(SRD)<>0;
    end;
  FindClose(SRD);

  Result:=true;
end;

function TFPUninstalledSourcesPackagesStructure.IsInstallationNeeded(APackage: TFPPackage): TFPInstallationNeeded;
begin
  if (APackage.Repository.RepositoryName=SourceRepositoryName) or
    (Assigned(APackage.Repository.DefaultPackagesStructure) and (APackage.Repository.DefaultPackagesStructure.InstallRepositoryName=FLinkedRepositoryName)) then
    Result := fpinNoInstallationNeeded
  else
    Result := fpinInstallationImpossible;
end;

function TFPUninstalledSourcesPackagesStructure.GetBaseInstallDir: string;
begin
  Result := Path;
end;

function TFPUninstalledSourcesPackagesStructure.GetConfigFileForPackage(APackage: TFPPackage): string;
begin
  if APackage.SourcePath<>'' then
    Result := IncludeTrailingPathDelimiter(APackage.SourcePath)
  else
    Result := IncludeTrailingPathDelimiter(GetBaseInstallDir)+APackage.Name+PathDelim;

  Result := Result +APackage.Name+'-'+FCompilerOptions.CompilerTarget+FpmkExt;
end;

{ TFppkgUninstalledRepositoryOptionSection }

class function TFppkgUninstalledRepositoryOptionSection.GetKey: string;
begin
  Result := KeyUninstalledRepository;
end;

procedure TFppkgUninstalledRepositoryOptionSection.AddKeyValue(const AKey, AValue: string);
begin
   if SameText(AKey,KeySourceRepository) then
    SourceRepositoryName := AValue
  else
    inherited AddKeyValue(AKey, AValue);
end;

procedure TFppkgUninstalledRepositoryOptionSection.LogValues(ALogLevel: TLogLevel);
begin
  inherited LogValues(ALogLevel);
  log(ALogLevel,SLogSourceRepository,[FSourceRepositoryName]);
end;

function TFppkgUninstalledRepositoryOptionSection.GetRepositoryType: TFPRepositoryType;
begin
  Result := fprtInstalled;
end;

procedure TFppkgUninstalledRepositoryOptionSection.SaveToStrings(AStrings: TStrings);
begin
  inherited SaveToStrings(AStrings);
   if SourceRepositoryName<>'' then
     AStrings.Add(KeySourceRepository+'='+SourceRepositoryName);
end;

{ TFppkgUninstalledSourceRepositoryOptionSection }

class function TFppkgUninstalledSourceRepositoryOptionSection.GetKey: string;
begin
  Result := KeySrcRepositorySection;
end;

function TFppkgUninstalledSourceRepositoryOptionSection.GetRepositoryType: TFPRepositoryType;
begin
  Result := fprtAvailable;
end;

{ TFPUninstalledSourcesPackagesStructure }

class function TFPUninstalledSourcesAvailablePackagesStructure.GetRepositoryOptionSectionClass: TFppkgRepositoryOptionSectionClass;
begin
  Result := TFppkgUninstalledSourceRepositoryOptionSection;
end;

procedure TFPUninstalledSourcesAvailablePackagesStructure.InitializeWithOptions(
  ARepoOptionSection: TFppkgRepositoryOptionSection; AnOptions: TFppkgOptions;
  ACompilerOptions: TCompilerOptions);
begin
  inherited InitializeWithOptions(ARepoOptionSection, AnOptions, ACompilerOptions);
  path := TFppkgUninstalledSourceRepositoryOptionSection(ARepoOptionSection).Path;
end;

function TFPUninstalledSourcesAvailablePackagesStructure.AddPackagesToRepository(ARepository: TFPRepository): Boolean;

var
  SR : TSearchRec;
  AManifestFile, AFPMakeFile: String;
  i: Integer;
  TempPackagesStructure: TFPTemporaryDirectoryPackagesStructure;
  TempRepo: TFPRepository;
  PackageName: string;
  PackageManager: TpkgFppkg;
begin
  Result:=false;

  TempPackagesStructure := TFPTemporaryDirectoryPackagesStructure.Create(Owner);
  TempPackagesStructure.InitializeWithOptions(nil, FOptions, FCompilerOptions);
  TempRepo := TFPRepository.Create(Owner);
  TempRepo.RepositoryName := 'TempScanUninstPackages';
  TempRepo.Description := 'Temp list of packages during scanning of source-packages';
  TempRepo.RepositoryType := fprtAvailable;
  TempRepo.DefaultPackagesStructure := TempPackagesStructure;
  TempPackagesStructure.AddPackagesToRepository(TempRepo);

  if Owner is TPkgFppkg then
    PackageManager := TPkgfppkg(owner)
  else
    PackageManager := GFPpkg;

  if Assigned(PackageManager) then
    PackageManager.RepositoryList.Add(TempRepo);
  try
    log(llDebug,SLogFindInstalledPackages,[Path]);
    if FindFirst(Path+AllFiles,faDirectory,SR)=0 then
      begin
        repeat
          if ((SR.Attr and faDirectory)=faDirectory) and (SR.Name<>'.') and (SR.Name<>'..') then
            begin
              AFPMakeFile := Path+SR.Name+PathDelim+FPMakePPFile;
              if FileExistsLog(AFPMakeFile) then
                begin
                  AManifestFile := Path+SR.Name+PathDelim+ManifestFile;
                  if not FileExists(AManifestFile) or (FileAge(AManifestFile) < FileAge(AFPMakeFile)) then
                    begin
                      // (Re-)create manifest
                      if assigned(PackageManager) then
                        begin
                          try
                            TempPackagesStructure.SetTempPath(Path+SR.Name);
                            PackageName :=  SR.Name + '_create_manifest';
                            TempPackagesStructure.TempPackageName := PackageName;
                            pkghandler.ExecuteAction(PackageName,'fpmakemanifest',PackageManager);
                          except
                            on E: Exception do
                              begin
                              log(llWarning, SLogFailedToCreateManifest ,[AFPMakeFile, E.Message]);
                                Continue;
                              end;
                          end;
                        end
                      else
                        begin
                          log(llError, SLogFailedToCreateManifest ,[AFPMakeFile, 'No packagemanager available']);
                        end;
                    end;
                  ARepository.AddPackagesFromManifestFile(AManifestFile);
                  for i := 0 to ARepository.PackageCount -1 do
                    if ARepository.Packages[i].SourcePath = '' then
                      ARepository.Packages[i].SourcePath := SR.Name;
                end
            end;
        until FindNext(SR)<>0;
      end;
    FindClose(SR);
  finally
    if Assigned(PackageManager) then
      PackageManager.RepositoryList.Remove(TempRepo);
    TempRepo.Free;
    TempPackagesStructure.Free;
  end;
  for i := 0 to ARepository.PackageCount -1 do
    ARepository.Packages[i].PackagesStructure := Self;

  Result:=true;
end;

function TFPUninstalledSourcesAvailablePackagesStructure.GetBuildPathDirectory(APackage: TFPPackage): string;
begin
  if APackage.SourcePath<>'' then
    Result := Path+APackage.SourcePath
  else
    Result := Path+APackage.Name
end;

initialization
  TFPCustomPackagesStructure.RegisterPackagesStructureClass(TFPUninstalledSourcesAvailablePackagesStructure);
  TFPCustomPackagesStructure.RegisterPackagesStructureClass(TFPUninstalledSourcesPackagesStructure);
end.