@echo off
chcp 65001 >nul 2>&1
setlocal EnableDelayedExpansion
title Copydev Imposing Tool — Installation

set "APP_NAME=Copydev Imposing Tool"
set "INSTALL_DIR=%LOCALAPPDATA%\CopydevImposingTool"
set "PYTHON_DIR=%INSTALL_DIR%\python"
set "APP_DIR=%INSTALL_DIR%\app"
set "SHORTCUT_NAME=Copydev Imposing Tool"
set "GITEA_REPO=https://git.copydev.fr/jules/copydev-imposing-tool.git"
set "PYTHON_VERSION=3.12.8"
set "PYTHON_URL=https://www.python.org/ftp/python/%PYTHON_VERSION%/python-%PYTHON_VERSION%-embed-amd64.zip"
set "GET_PIP_URL=https://bootstrap.pypa.io/get-pip.py"
set "GIT_URL=https://github.com/git-for-windows/git/releases/download/v2.47.1.windows.2/MinGit-2.47.1.2-64-bit.zip"

:: ============================================================
:: MENU PRINCIPAL
:: ============================================================
:MENU
cls
echo ============================================================
echo    %APP_NAME%
echo ============================================================
echo.
echo    1. Installer
echo    2. Mettre a jour
echo    3. Desinstaller
echo    4. Quitter
echo.
set /p "CHOIX=Votre choix [1-4] : "

if "%CHOIX%"=="1" goto INSTALL
if "%CHOIX%"=="2" goto UPDATE
if "%CHOIX%"=="3" goto UNINSTALL
if "%CHOIX%"=="4" goto END
echo Choix invalide.
timeout /t 2 >nul
goto MENU

:: ============================================================
:: INSTALLATION
:: ============================================================
:INSTALL
cls
echo ============================================================
echo    INSTALLATION de %APP_NAME%
echo ============================================================
echo.

:: Verifier si deja installe
if exist "%INSTALL_DIR%\app\main.py" (
    echo [!] L'application est deja installee dans :
    echo     %INSTALL_DIR%
    echo.
    set /p "REINSTALL=Voulez-vous reinstaller ? [O/N] : "
    if /i "!REINSTALL!" neq "O" goto MENU
    echo.
    echo Suppression de l'ancienne installation...
    rmdir /s /q "%APP_DIR%" 2>nul
)

:: Creer le repertoire d'installation
echo [1/7] Creation du repertoire d'installation...
if not exist "%INSTALL_DIR%" mkdir "%INSTALL_DIR%"
if not exist "%INSTALL_DIR%\temp" mkdir "%INSTALL_DIR%\temp"

:: ---- GIT ----
:INSTALL_GIT
echo [2/7] Verification de Git...
where git >nul 2>&1
if %ERRORLEVEL%==0 (
    echo       Git est deja installe.
    set "GIT_CMD=git"
    goto INSTALL_PYTHON
)

:: Git portable
if exist "%INSTALL_DIR%\git\cmd\git.exe" (
    echo       Git portable detecte.
    set "GIT_CMD=%INSTALL_DIR%\git\cmd\git.exe"
    goto INSTALL_PYTHON
)

echo       Telechargement de Git portable...
if not exist "%INSTALL_DIR%\git" mkdir "%INSTALL_DIR%\git"
powershell -Command "& { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri '%GIT_URL%' -OutFile '%INSTALL_DIR%\temp\git.zip' }" 2>nul
if not exist "%INSTALL_DIR%\temp\git.zip" (
    echo [ERREUR] Impossible de telecharger Git.
    echo Verifiez votre connexion internet.
    pause
    goto MENU
)
echo       Extraction de Git...
powershell -Command "Expand-Archive -Force '%INSTALL_DIR%\temp\git.zip' '%INSTALL_DIR%\git'" 2>nul
del "%INSTALL_DIR%\temp\git.zip" 2>nul
set "GIT_CMD=%INSTALL_DIR%\git\cmd\git.exe"
echo       Git portable installe.

:: ---- PYTHON ----
:INSTALL_PYTHON
echo [3/7] Verification de Python...

:: Verifier Python systeme
where python >nul 2>&1
if %ERRORLEVEL%==0 (
    for /f "tokens=*" %%i in ('python --version 2^>^&1') do set "PY_VER=%%i"
    echo       !PY_VER! detecte.
    set "PYTHON_CMD=python"
    goto INSTALL_PIP
)

:: Python embarque
if exist "%PYTHON_DIR%\python.exe" (
    echo       Python embarque detecte.
    set "PYTHON_CMD=%PYTHON_DIR%\python.exe"
    goto INSTALL_PIP
)

echo       Telechargement de Python %PYTHON_VERSION% embarque...
if not exist "%PYTHON_DIR%" mkdir "%PYTHON_DIR%"
powershell -Command "& { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri '%PYTHON_URL%' -OutFile '%INSTALL_DIR%\temp\python.zip' }" 2>nul
if not exist "%INSTALL_DIR%\temp\python.zip" (
    echo [ERREUR] Impossible de telecharger Python.
    pause
    goto MENU
)
echo       Extraction de Python...
powershell -Command "Expand-Archive -Force '%INSTALL_DIR%\temp\python.zip' '%PYTHON_DIR%'" 2>nul
del "%INSTALL_DIR%\temp\python.zip" 2>nul

:: Activer pip dans Python embarque (decommenter import site)
for %%f in ("%PYTHON_DIR%\python*._pth") do (
    powershell -Command "(Get-Content '%%f') -replace '#import site','import site' | Set-Content '%%f'"
)
set "PYTHON_CMD=%PYTHON_DIR%\python.exe"
echo       Python %PYTHON_VERSION% embarque installe.

:: ---- PIP ----
:INSTALL_PIP
echo [4/7] Verification de pip...
"%PYTHON_CMD%" -m pip --version >nul 2>&1
if %ERRORLEVEL%==0 (
    echo       pip est deja installe.
    goto INSTALL_DEPS
)

echo       Installation de pip...
powershell -Command "& { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri '%GET_PIP_URL%' -OutFile '%INSTALL_DIR%\temp\get-pip.py' }" 2>nul
"%PYTHON_CMD%" "%INSTALL_DIR%\temp\get-pip.py" --no-warn-script-location >nul 2>&1
del "%INSTALL_DIR%\temp\get-pip.py" 2>nul
echo       pip installe.

:: ---- DEPENDANCES ----
:INSTALL_DEPS
echo [5/7] Installation des dependances Python...
"%PYTHON_CMD%" -m pip install --upgrade --no-warn-script-location PyQt6 pypdf reportlab pypdfium2 2>&1 | findstr /i "Successfully already"
echo       Dependances installees.

:: ---- CODE SOURCE ----
:INSTALL_CODE
echo [6/7] Telechargement du code source...
if exist "%APP_DIR%\.git" (
    echo       Mise a jour du code existant...
    pushd "%APP_DIR%"
    "%GIT_CMD%" pull origin master 2>&1
    popd
) else (
    if exist "%APP_DIR%" rmdir /s /q "%APP_DIR%"
    "%GIT_CMD%" clone "%GITEA_REPO%" "%APP_DIR%" 2>&1
)
if not exist "%APP_DIR%\main.py" (
    echo [ERREUR] Le telechargement du code a echoue.
    echo Verifiez l'acces a %GITEA_REPO%
    pause
    goto MENU
)
echo       Code source telecharge.

:: ---- RACCOURCIS ----
:INSTALL_SHORTCUTS
echo [7/7] Creation des raccourcis...

:: Creer le lanceur .bat
(
    echo @echo off
    echo cd /d "%APP_DIR%"
    echo "%PYTHON_CMD%" main.py
) > "%INSTALL_DIR%\lancer.bat"

:: Creer le lanceur .vbs (sans fenetre console)
(
    echo Set WshShell = CreateObject^("WScript.Shell"^)
    echo WshShell.CurrentDirectory = "%APP_DIR%"
    echo WshShell.Run """%PYTHON_CMD%"" ""%APP_DIR%\main.py""", 0, False
) > "%INSTALL_DIR%\lancer.vbs"

:: Raccourci Bureau
powershell -Command "& { $WshShell = New-Object -ComObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut([Environment]::GetFolderPath('Desktop') + '\%SHORTCUT_NAME%.lnk'); $Shortcut.TargetPath = '%INSTALL_DIR%\lancer.vbs'; $Shortcut.WorkingDirectory = '%APP_DIR%'; $Shortcut.Description = '%APP_NAME%'; $Shortcut.Save() }" 2>nul
echo       Raccourci Bureau cree.

:: Raccourci Menu Demarrer
set "START_MENU=%APPDATA%\Microsoft\Windows\Start Menu\Programs"
powershell -Command "& { $WshShell = New-Object -ComObject WScript.Shell; $Shortcut = $WshShell.CreateShortcut('%START_MENU%\%SHORTCUT_NAME%.lnk'); $Shortcut.TargetPath = '%INSTALL_DIR%\lancer.vbs'; $Shortcut.WorkingDirectory = '%APP_DIR%'; $Shortcut.Description = '%APP_NAME%'; $Shortcut.Save() }" 2>nul
echo       Raccourci Menu Demarrer cree.

:: Nettoyer temp
rmdir /s /q "%INSTALL_DIR%\temp" 2>nul

:: ---- FIN INSTALLATION ----
echo.
echo ============================================================
echo    INSTALLATION TERMINEE
echo ============================================================
echo.
echo    Dossier : %INSTALL_DIR%
echo    Lanceur : Double-cliquez sur le raccourci Bureau
echo              "%SHORTCUT_NAME%"
echo.
echo    Mot de passe requis au lancement.
echo.
pause
goto MENU

:: ============================================================
:: MISE A JOUR
:: ============================================================
:UPDATE
cls
echo ============================================================
echo    MISE A JOUR de %APP_NAME%
echo ============================================================
echo.

if not exist "%APP_DIR%\main.py" (
    echo [!] L'application n'est pas installee.
    echo     Lancez d'abord l'installation.
    echo.
    pause
    goto MENU
)

:: Determiner Git
where git >nul 2>&1
if %ERRORLEVEL%==0 (
    set "GIT_CMD=git"
) else if exist "%INSTALL_DIR%\git\cmd\git.exe" (
    set "GIT_CMD=%INSTALL_DIR%\git\cmd\git.exe"
) else (
    echo [ERREUR] Git introuvable. Reinstallez l'application.
    pause
    goto MENU
)

:: Determiner Python
where python >nul 2>&1
if %ERRORLEVEL%==0 (
    set "PYTHON_CMD=python"
) else if exist "%PYTHON_DIR%\python.exe" (
    set "PYTHON_CMD=%PYTHON_DIR%\python.exe"
) else (
    echo [ERREUR] Python introuvable. Reinstallez l'application.
    pause
    goto MENU
)

echo [1/3] Mise a jour du code source...
pushd "%APP_DIR%"
"%GIT_CMD%" fetch origin 2>&1

:: Afficher les changements
for /f %%i in ('"%GIT_CMD%" rev-list HEAD..origin/master --count 2^>nul') do set "COMMITS=%%i"
if "!COMMITS!"=="0" (
    echo       Deja a jour !
    popd
    echo.
    pause
    goto MENU
)
echo       !COMMITS! nouveau(x) commit(s) disponible(s).
"%GIT_CMD%" log --oneline HEAD..origin/master 2>nul
echo.

"%GIT_CMD%" pull origin master 2>&1
popd
echo       Code mis a jour.

echo [2/3] Mise a jour des dependances...
"%PYTHON_CMD%" -m pip install --upgrade --no-warn-script-location PyQt6 pypdf reportlab pypdfium2 2>&1 | findstr /i "Successfully already"

echo [3/3] Termine !
echo.
echo ============================================================
echo    MISE A JOUR TERMINEE
echo ============================================================
echo.
pause
goto MENU

:: ============================================================
:: DESINSTALLATION
:: ============================================================
:UNINSTALL
cls
echo ============================================================
echo    DESINSTALLATION de %APP_NAME%
echo ============================================================
echo.

if not exist "%INSTALL_DIR%" (
    echo [!] L'application n'est pas installee.
    echo.
    pause
    goto MENU
)

echo Les elements suivants seront supprimes :
echo.
echo    - Dossier : %INSTALL_DIR%
echo      (code, Python embarque, Git portable)
echo    - Raccourci Bureau
echo    - Raccourci Menu Demarrer
echo.
set /p "CONFIRM=Confirmer la desinstallation ? [O/N] : "
if /i "%CONFIRM%" neq "O" goto MENU

echo.
echo [1/3] Suppression des raccourcis...
del "%USERPROFILE%\Desktop\%SHORTCUT_NAME%.lnk" 2>nul
del "%APPDATA%\Microsoft\Windows\Start Menu\Programs\%SHORTCUT_NAME%.lnk" 2>nul
echo       Raccourcis supprimes.

echo [2/3] Suppression des fichiers...
:: Tuer les processus Python potentiellement en cours
taskkill /f /im python.exe 2>nul
taskkill /f /im pythonw.exe 2>nul
timeout /t 2 >nul

rmdir /s /q "%INSTALL_DIR%" 2>nul
if exist "%INSTALL_DIR%" (
    echo [!] Certains fichiers n'ont pas pu etre supprimes.
    echo     Supprimez manuellement : %INSTALL_DIR%
) else (
    echo       Fichiers supprimes.
)

echo [3/3] Desinstallation terminee.
echo.
echo ============================================================
echo    DESINSTALLATION TERMINEE
echo ============================================================
echo.
pause
goto MENU

:: ============================================================
:END
echo.
echo Au revoir !
timeout /t 2 >nul
exit /b 0