name: Windows ARM64 Installer (MSYS2 + Inno Setup)

on:
  push:
    branches: [master]
  pull_request:
    branches: [master]

jobs:
  windows_arm64_installer:
    runs-on: windows-11-arm

    steps:
      - uses: actions/checkout@v4

      - uses: msys2/setup-msys2@v2
        with:
          msystem: CLANGARM64
          update: true
          install: >-
            git
            mingw-w64-clang-aarch64-toolchain
            mingw-w64-clang-aarch64-meson
            mingw-w64-clang-aarch64-ninja
            mingw-w64-clang-aarch64-pkgconf
            mingw-w64-clang-aarch64-gettext-tools
            mingw-w64-clang-aarch64-libxml2
            mingw-w64-clang-aarch64-winpthreads
            mingw-w64-clang-aarch64-python-cffi
            mingw-w64-clang-aarch64-gtk2
            mingw-w64-clang-aarch64-gtk-update-icon-cache
            mingw-w64-clang-aarch64-luajit
            mingw-w64-clang-aarch64-desktop-file-utils
            mingw-w64-clang-aarch64-ntldd

      - name: Configure
        shell: msys2 {0}
        run: |
          set -euxo pipefail
          export PATH="/clangarm64/bin:$PATH"
          export MSGFMT="/clangarm64/bin/msgfmt"
          export LDFLAGS="-lwinpthread ${LDFLAGS:-}"

          rm -rf build dist
          mkdir -p dist

          meson setup build \
            --prefix=/ \
            -Dtext-frontend=true \
            -Ddbus=disabled \
            -Dwith-upd=false \
            -Dwith-perl=false \
            -Dc_link_args=-lwinpthread \
            -Dcpp_link_args=-lwinpthread

      - name: Build
        shell: msys2 {0}
        run: |
          set -euxo pipefail
          export PATH="/clangarm64/bin:$PATH"
          ninja -C build

      - name: Test
        shell: msys2 {0}
        run: |
          set -euxo pipefail
          export PATH="/clangarm64/bin:$PATH"
          ninja -C build test || true

      - name: Stage install
        shell: msys2 {0}
        run: |
          set -euxo pipefail
          export PATH="/clangarm64/bin:$PATH"
          DESTDIR="$PWD/dist" ninja -C build install

          # show where stuff actually landed (helps debugging packaging)
          find dist -maxdepth 6 -type f \( -iname 'zoitechat*.exe' -o -iname '*.dll' \) -print || true

      - name: Harvest runtime DLL dependencies
        shell: msys2 {0}
        run: |
          set -euxo pipefail
          export PATH="/clangarm64/bin:$PATH"
          shopt -s nullglob

          # Find installed EXEs and plugin DLLs
          mapfile -t targets < <(find dist -type f \( -iname 'zoitechat*.exe' -o -ipath '*/plugins/*.dll' \) || true)

          if [ "${#targets[@]}" -eq 0 ]; then
            echo "No installed binaries/plugins found under dist/ (skipping dep harvest)"
            exit 0
          fi

          # Prefer the directory that contains zoitechat.exe; otherwise fallback to dist/bin
          mainexe="$(printf '%s\n' "${targets[@]}" | sed 's|\\|/|g' | grep -iE '/zoitechat\.exe$' | head -n1 || true)"
          if [ -n "$mainexe" ]; then
            bindir="$(dirname "$mainexe")"
          else
            bindir="dist/bin"
            mkdir -p "$bindir"
          fi

          echo "Using bindir: $bindir"
          printf '%s\n' "${targets[@]}"

          for f in "${targets[@]}"; do
            while IFS= read -r dll; do
              [ -n "$dll" ] || continue
              cp -n "$dll" "$bindir/" || true
            done < <(
              ntldd -R "$f" 2>/dev/null \
                | tr '\\' '/' \
                | awk '{print $1}' \
                | grep -E '^/clangarm64/(bin|lib)/.*\.dll$' \
                || true
            )
          done

      - name: Install Inno Setup (real ISCC, not the Chocolatey shim)
        shell: pwsh
        run: |
          $ErrorActionPreference = "Stop"

          function Find-Iscc {
            $candidates = @(
              "$env:ProgramFiles(x86)\Inno Setup 6\ISCC.exe",
              "$env:ProgramFiles\Inno Setup 6\ISCC.exe"
            )
            foreach ($p in $candidates) {
              if (Test-Path $p) { return $p }
            }
            return $null
          }

          $iscc = Find-Iscc

          if (-not $iscc) {
            if (Get-Command winget -ErrorAction SilentlyContinue) {
              winget install --id JRSoftware.InnoSetup -e --accept-package-agreements --accept-source-agreements
            }
            $iscc = Find-Iscc
          }

          if (-not $iscc) {
            if (Get-Command choco.exe -ErrorAction SilentlyContinue) {
              choco install innosetup -y --no-progress
            }
            $iscc = Find-Iscc
          }

          if (-not $iscc) {
            throw "ISCC.exe not found after install attempts. Checked Program Files Inno Setup paths."
          }

          Write-Host "Using ISCC:" $iscc
          & $iscc /?

          "ISCC=$iscc" | Out-File -FilePath $env:GITHUB_ENV -Append -Encoding utf8

      - name: Build ARM64 installer
        shell: pwsh
        run: |
          $ErrorActionPreference = "Stop"
          if (-not (Test-Path "installer\zoitechat-arm64.iss")) {
            throw "Missing installer\zoitechat-arm64.iss in repo"
          }
          & "$env:ISCC" "installer\zoitechat-arm64.iss"

      - uses: actions/upload-artifact@v4
        with:
          name: zoitechat-windows-arm64-installer
          path: installer\Output\ZoiteChat-ARM64-Setup.exe