; Change shell and registry context based on running
; architecture and chosen install mode.
!macro SetContext
  !if "${INSTALLMODE}" == "currentUser"
    SetShellVarContext current
  !else if "${INSTALLMODE}" == "perMachine"
    SetShellVarContext all
  !endif

  ${If} ${RunningX64}
    !if "${ARCH}" == "x64"
      SetRegView 64
    !else if "${ARCH}" == "arm64"
      SetRegView 64
    !else
      SetRegView 32
    !endif
  ${EndIf}
!macroend

; Checks whether app is running or not and prompts to kill it.
!macro CheckIfAppIsRunning executableName productName
  !define UniqueID ${__LINE__}

  ; Replace {{product_name}} placeholder in the messages with the passed product name
  nsis_tauri_utils::StrReplace "$(appRunning)" "{{product_name}}" "${productName}"
  Pop $R1
  nsis_tauri_utils::StrReplace "$(appRunningOkKill)" "{{product_name}}" "${productName}"
  Pop $R2
  nsis_tauri_utils::StrReplace "$(failedToKillApp)" "{{product_name}}" "${productName}"
  Pop $R3

  !if "${INSTALLMODE}" == "currentUser"
    nsis_tauri_utils::FindProcessCurrentUser "${executableName}"
  !else
    nsis_tauri_utils::FindProcess "${executableName}"
  !endif
  Pop $R0
  ${If} $R0 = 0
      IfSilent kill_${UniqueID} 0
      ${IfThen} $PassiveMode != 1 ${|} MessageBox MB_OKCANCEL $R2 IDOK kill_${UniqueID} IDCANCEL cancel_${UniqueID} ${|}
      kill_${UniqueID}:
        !if "${INSTALLMODE}" == "currentUser"
          nsis_tauri_utils::KillProcessCurrentUser "${executableName}"
        !else
          nsis_tauri_utils::KillProcess "${executableName}"
        !endif
        Pop $R0
        Sleep 500
        ${If} $R0 = 0
        ${OrIf} $R0 = 2
          Goto app_check_done_${UniqueID}
        ${Else}
          IfSilent silent_${UniqueID} ui_${UniqueID}
          silent_${UniqueID}:
            System::Call 'kernel32::AttachConsole(i -1)i.r0'
            ${If} $0 != 0
              System::Call 'kernel32::GetStdHandle(i -11)i.r0'
              System::call 'kernel32::SetConsoleTextAttribute(i r0, i 0x0004)' ; set red color
              FileWrite $0 "$R1$\n"
            ${EndIf}
            Abort
          ui_${UniqueID}:
            Abort $R3
        ${EndIf}
      cancel_${UniqueID}:
        Abort $R1
  ${EndIf}
  app_check_done_${UniqueID}:
    !undef UniqueID
!macroend

; Sets AppUserModelId on a shortcut
!macro SetLnkAppUserModelId shortcut
  !insertmacro ComHlpr_CreateInProcInstance ${CLSID_ShellLink} ${IID_IShellLink} r0 ""
  ${If} $0 P<> 0
    ${IUnknown::QueryInterface} $0 '("${IID_IPersistFile}",.r1)'
    ${If} $1 P<> 0
      ${IPersistFile::Load} $1 '("${shortcut}", ${STGM_READWRITE})'
      ${IUnknown::QueryInterface} $0 '("${IID_IPropertyStore}",.r2)'
      ${If} $2 P<> 0
        System::Call 'Oleaut32::SysAllocString(w "${BUNDLEID}") i.r3'
        System::Call '*${SYSSTRUCT_PROPERTYKEY}(${PKEY_AppUserModel_ID})p.r4'
        System::Call '*${SYSSTRUCT_PROPVARIANT}(${VT_BSTR},,&i4 $3)p.r5'
        ${IPropertyStore::SetValue} $2 '($4,$5)'

        System::Call 'Oleaut32::SysFreeString($3)'
        System::Free $4
        System::Free $5
        ${IPropertyStore::Commit} $2 ""
        ${IUnknown::Release} $2 ""
        ${IPersistFile::Save} $1 '("${shortcut}",1)'
      ${EndIf}
      ${IUnknown::Release} $1 ""
    ${EndIf}
    ${IUnknown::Release} $0 ""
  ${EndIf}
!macroend

; Deletes jump list entries and recent destinations
!macro DeleteAppUserModelId
  !insertmacro ComHlpr_CreateInProcInstance ${CLSID_DestinationList} ${IID_ICustomDestinationList} r1 ""
  ${If} $1 P<> 0
    ${ICustomDestinationList::DeleteList} $1 '("${BUNDLEID}")'
    ${IUnknown::Release} $1 ""
  ${EndIf}
  !insertmacro ComHlpr_CreateInProcInstance ${CLSID_ApplicationDestinations} ${IID_IApplicationDestinations} r1 ""
  ${If} $1 P<> 0
    ${IApplicationDestinations::SetAppID} $1 '("${BUNDLEID}")i.r0'
    ${If} $0 >= 0
      ${IApplicationDestinations::RemoveAllDestinations} $1 ''
    ${EndIf}
    ${IUnknown::Release} $1 ""
  ${EndIf}
!macroend

; Unpins a shortcut from Start menu and Taskbar
;
; From https://stackoverflow.com/a/42816728/16993372
!macro UnpinShortcut shortcut
  !insertmacro ComHlpr_CreateInProcInstance ${CLSID_StartMenuPin} ${IID_IStartMenuPinnedList} r0 ""
  ${If} $0 P<> 0
      System::Call 'SHELL32::SHCreateItemFromParsingName(ws, p0, g "${IID_IShellItem}", *p0r1)' "${shortcut}"
      ${If} $1 P<> 0
          ${IStartMenuPinnedList::RemoveFromList} $0 '(r1)'
          ${IUnknown::Release} $1 ""
      ${EndIf}
      ${IUnknown::Release} $0 ""
  ${EndIf}
!macroend

; Set target path for a .lnk shortcut
!macro SetShortcutTarget shortcut target
  !insertmacro ComHlpr_CreateInProcInstance ${CLSID_ShellLink} ${IID_IShellLink} r0 ""
  ${If} $0 P<> 0
    ${IUnknown::QueryInterface} $0 '("${IID_IPersistFile}",.r1)'
    ${If} $1 P<> 0
      ${IPersistFile::Load} $1 '("${shortcut}", ${STGM_READWRITE})'
      ${IShellLink::SetPath} $0 '(w "${target}")'
      ${IPersistFile::Save} $1 '("${shortcut}",1)'
      ${IUnknown::Release} $1 ""
    ${EndIf}
    ${IUnknown::Release} $0 ""
  ${EndIf}
!macroend

!define /ifndef MAX_PATH 260
!define /ifndef SLGP_RAWPATH 0x4

; Test if a .lnk shortcut's target is target,
; use Pop to get the result, 1 is yes, 0 is no,
; note that this macro modifies $0, $1, $2, $3
;
; Exmaple usage:
;   !insertmacro "IsShortCutTarget" "C:\Users\Public\Desktop\App.lnk" "C:\Program Files\App\App.exe"
;   Pop $0
;   ${If} $0 = 1
;     MessageBox MB_OK "shortcut target matches"
;   ${EndIf}
!macro IsShortcutTarget shortcut target
  ; $0: IShellLink
  ; $1: IPersistFile
  ; $2: Target path
  ; $3: Return value

  StrCpy $3 0
  !insertmacro ComHlpr_CreateInProcInstance ${CLSID_ShellLink} ${IID_IShellLink} r0 ""
  ${If} $0 P<> 0
    ${IUnknown::QueryInterface} $0 '("${IID_IPersistFile}", .r1)'
    ${If} $1 P<> 0
      ${IPersistFile::Load} $1 '("${shortcut}", ${STGM_READ})'
      System::Alloc MAX_PATH
      Pop $2
      ${IShellLink::GetPath} $0 '(.r2, ${MAX_PATH}, 0, ${SLGP_RAWPATH})'
      ${If} $2 == "${target}"
        StrCpy $3 1
      ${EndIf}
      System::Free $2
      ${IUnknown::Release} $1 ""
    ${EndIf}
    ${IUnknown::Release} $0 ""
  ${EndIf}
  Push $3
!macroend