name: Build Electron macOS DMG (arm64)

on:
  workflow_dispatch:
    inputs:
      macos_version:
        description: macOS runner version
        required: true
        type: choice
        options:
          - "macos-15"
          - "macos-26"
        default: "macos-15"
      ref:
        description: Git ref to build (branch, tag, or sha)
        required: false
        default: ""

jobs:
  build-macos-dmg-arm64-electron:
    name: Build Electron DMG (arm64, ${{ inputs.macos_version }})
    runs-on: ${{ inputs.macos_version }}
    steps:
      - name: Checkout
        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
        with:
          ref: ${{ inputs.ref || github.ref }}

      - name: Setup bun
        uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2.2.0

      - name: Setup Node.js
        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: "22"

      - name: Install dependencies
        run: bun install --frozen-lockfile

      - name: Get bundled OpenCode CLI version
        id: opencode_cli_version
        run: |
          VERSION=$(node -p "require('./package.json').dependencies['@opencode-ai/sdk']")
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Cache bundled OpenCode CLI artifact
        uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # v4.2.4
        with:
          path: packages/electron/.cache/opencode-cli
          key: opencode-cli-${{ runner.os }}-arm64-${{ steps.opencode_cli_version.outputs.version }}
          restore-keys: |
            opencode-cli-${{ runner.os }}-arm64-

      - name: Install Apple Certificate
        env:
          APPLE_CERTIFICATE: ${{ secrets.APPLE_CERTIFICATE }}
          APPLE_CERTIFICATE_PASSWORD: ${{ secrets.APPLE_CERTIFICATE_PASSWORD }}
        run: |
          KEYCHAIN_PATH=$RUNNER_TEMP/electron-signing.keychain-db
          KEYCHAIN_PASSWORD=$(openssl rand -base64 32)

          security create-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"
          security set-keychain-settings -lut 21600 "$KEYCHAIN_PATH"
          security unlock-keychain -p "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"

          echo "$APPLE_CERTIFICATE" | base64 --decode > $RUNNER_TEMP/certificate.p12
          security import $RUNNER_TEMP/certificate.p12 \
            -P "$APPLE_CERTIFICATE_PASSWORD" \
            -A -t cert -f pkcs12 \
            -k "$KEYCHAIN_PATH"

          security list-keychain -d user -s "$KEYCHAIN_PATH"
          security set-key-partition-list -S apple-tool:,apple:,codesign: \
            -s -k "$KEYCHAIN_PASSWORD" "$KEYCHAIN_PATH"

      - name: Build Electron app (arm64)
        working-directory: packages/electron
        env:
          APPLE_ID: ${{ secrets.APPLE_ID }}
          APPLE_APP_SPECIFIC_PASSWORD: ${{ secrets.APPLE_PASSWORD }}
          APPLE_TEAM_ID: ${{ secrets.APPLE_TEAM_ID }}
          ELECTRON_BUILDER_ARCH: arm64
        run: |
          bun run build:web-assets
          bun run prepare:opencode-cli
          bun run verify:opencode-cli
          bun run bundle:main
          bun run rebuild:native
          ./node_modules/.bin/electron-builder --mac --arm64 --publish=never
          bun run verify:opencode-cli:packaged

      - name: Prepare DMG artifact
        run: |
          set -euo pipefail
          mkdir -p artifacts
          DMG_PATH="packages/electron/dist/*.dmg"
          if ls $DMG_PATH 1> /dev/null 2>&1; then
            DMG_FILE=$(ls $DMG_PATH | head -n 1)
            DMG_NAME="OpenChamber_Electron_${{ inputs.macos_version }}_arm64.dmg"
            cp "$DMG_FILE" "artifacts/$DMG_NAME"
          else
            echo "Error: DMG file not found at $DMG_PATH"
            exit 1
          fi

      - name: Upload DMG artifact
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: dmg-electron-${{ inputs.macos_version }}-arm64
          path: artifacts/*.dmg
          retention-days: 7