@echo off
REM ═══════════════════════════════════════════════════════════════════════════
REM  GyanDoot v2.0 — Windows Installer (Git Bash / MSYS2)
REM ═══════════════════════════════════════════════════════════════════════════
REM  This script installs GyanDoot on Windows via Git Bash or MSYS2.
REM  For PowerShell, use: install.ps1
REM ═══════════════════════════════════════════════════════════════════════════

setlocal enabledelayedexpansion

echo.
echo  ╔═══════════════════════════════════════╗
echo  ║   GyanDoot v2.0 — Windows Installer   ║
echo  ╚═══════════════════════════════════════╝
echo.

REM ── Check if running in Git Bash / MSYS2 ──────────────────────────────
if not defined MSYSTEM (
    echo [WARN] This script requires Git Bash or MSYS2.
    echo        For PowerShell, use: install.ps1
    echo.
    echo        Or download from: https://git.gyannetra.in/gnpl_admin/gyandoot-release
    pause
    exit /b 1
)

REM ── Check prerequisites ───────────────────────────────────────────────
echo [CHECK] Rust...
where cargo >nul 2>&1
if errorlevel 1 (
    echo [INFO] Rust not found. Installing Rust...
    powershell -Command "& {Invoke-WebRequest -Uri https://win.rustup.rs -OutFile '%TEMP%\rustup-init.exe'; Start-Process '%TEMP%\rustup-init.exe' -Wait -ArgumentList '-y'}"
    call "%USERPROFILE%\.cargo\env"
    echo [OK] Rust installed
) else (
    for /f "tokens=*" %%i in ('cargo --version') do echo [OK] %%i
)

echo [CHECK] Node.js...
where node >nul 2>&1
if errorlevel 1 (
    echo [WARN] Node.js is required for browser features.
    echo        Download from: https://nodejs.org (v20+)
    echo        Or: winget install OpenJS.NodeJS
) else (
    for /f "tokens=*" %%i in ('node --version') do echo [OK] Node.js %%i
)

REM ── Build ──────────────────────────────────────────────────────────────
echo.
echo [BUILD] Compiling GyanDoot (this may take a few minutes)...
cd /d "%~dp0.." 2>nul || (
    echo [ERR] Could not find project root.
    echo       Make sure you're running this from the release directory.
    pause
    exit /b 1
)

cargo build --release
if errorlevel 1 (
    echo [ERR] Build failed. Check the error above.
    pause
    exit /b 1
)

echo [OK] Build complete

REM ── Install binary ────────────────────────────────────────────────────
set "INSTALL_DIR=%USERPROFILE%\.cargo\bin"
if not exist "%INSTALL_DIR%" mkdir "%INSTALL_DIR%"

copy /Y "target\release\gyandoot.exe" "%INSTALL_DIR%\gyandoot.exe" >nul
echo [OK] Installed to %INSTALL_DIR%\gyandoot.exe

REM ── Check PATH ────────────────────────────────────────────────────────
echo !PATH! | findstr /C:"%USERPROFILE%\.cargo\bin" >nul
if errorlevel 1 (
    echo [WARN] %USERPROFILE%\.cargo\bin is not in your PATH.
    echo        Add it manually to your PATH environment variable.
    echo        Or run: setx PATH "%%USERPROFILE%%\.cargo\bin;%%PATH%%"
    echo.
    echo        Then restart your terminal.
)

REM ── Verify ────────────────────────────────────────────────────────────
echo.
echo [VERIFY] Checking installation...
"%INSTALL_DIR%\gyandoot.exe" --help >nul 2>&1
if errorlevel 1 (
    echo [WARN] Installation verification failed.
) else (
    echo [OK] GyanDoot installed successfully!
)

REM ── Optional: Camoufox browser ────────────────────────────────────────
echo.
echo ────────────────────────────────────────────
echo  Optional: Install Camoufox Browser?
echo  Required for: web_search, web_browse tools
echo ────────────────────────────────────────────
set /p INSTALL_CAMOUFOX="Install Camoufox browser? [y/N]: "
if /i "!INSTALL_CAMOUFOX!"=="y" (
    echo [INFO] Installing camoufox-browser npm package...
    npm install -g camoufox-browser@0.1.0
    echo [INFO] Downloading browser binary (~311MB)...
    npx --yes camoufox-js@0.11.0 fetch
    echo [OK] Camoufox browser installed
)

REM ── Done ──────────────────────────────────────────────────────────────
echo.
echo ╔═══════════════════════════════════════╗
echo ║   GyanDoot v2.0 installed!            ║
echo ╚═══════════════════════════════════════╝
echo.
echo   Quick start:
echo     gyandoot --help
echo     gyandoot setup
echo     gyandoot run
echo.
pause