name: Repo PlatformIO Build

on:
  workflow_dispatch:
    inputs:
      owner:
        required: true
        type: string
      repo:
        required: true
        type: string
      ref:
        required: true
        type: string
      target_env:
        required: true
        type: string
      repo_build_id:
        required: true
        type: string
      build_key:
        required: true
        type: string
      resolved_source_sha:
        required: true
        type: string
      convex_url:
        required: true
        type: string

jobs:
  build:
    runs-on: ubuntu-latest
    env:
      CONVEX_URL: ${{ inputs.convex_url }}
      REPO_BUILD_ID: ${{ inputs.repo_build_id }}
      CONVEX_BUILD_TOKEN: ${{ secrets.CONVEX_BUILD_TOKEN }}
      CI_PROGRESS_TOTAL: "5"
    steps:
      - uses: actions/checkout@v4

      - name: Notify Convex — running
        shell: bash
        run: |
          curl -sSf -X POST "$CONVEX_URL/ingest-repo-build" \
            -H "Content-Type: application/json" \
            -H "Authorization: Bearer $CONVEX_BUILD_TOKEN" \
            -d "{\"repo_build_id\":\"$REPO_BUILD_ID\",\"state\":\"running\",\"github_run_id\":${{ github.run_id }}}"

      - name: CI progress — build started
        shell: bash
        env:
          STEP_INDEX: 1
          LABEL: Build started on Actions
        run: python3 "${{ github.workspace }}/scripts/report-convex-ci-progress.py"

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.x"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v1
        with:
          bun-version: latest

      - name: CI progress — tooling ready
        shell: bash
        env:
          STEP_INDEX: 2
          LABEL: Runner tooling ready
        run: python3 "${{ github.workspace }}/scripts/report-convex-ci-progress.py"

      - name: Download source archive
        shell: bash
        env:
          OWNER: ${{ inputs.owner }}
          REPO: ${{ inputs.repo }}
          REF: ${{ inputs.ref }}
        run: |
          STEP_INDEX=3 LABEL="Downloading source archive" python3 "${{ github.workspace }}/scripts/report-convex-ci-progress.py"
          ENC_REF=$(python3 -c "import urllib.parse,os; print(urllib.parse.quote(os.environ['REF'], safe=''))")
          curl -fsSL -o /tmp/src.zip "https://codeload.github.com/${OWNER}/${REPO}/zip/${ENC_REF}"

      - name: Cache PlatformIO global store
        uses: actions/cache@v4
        with:
          path: |
            ~/.platformio/.cache
            ~/.platformio/packages
          key: platformio-${{ runner.os }}-v1-${{ hashFiles('.github/workflows/custom_build.yml', '.github/workflows/custom_build_test.yml') }}
          restore-keys: |
            platformio-${{ runner.os }}-v1-

      - name: Extract and build
        id: pio
        env:
          CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          CLOUDFLARE_API_TOKEN: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          R2_BUCKET_NAME: ${{ secrets.R2_BUCKET_NAME }}
        shell: bash
        run: |
          STEP_INDEX=4 LABEL="Building firmware (PlatformIO)" python3 "${{ github.workspace }}/scripts/report-convex-ci-progress.py"
          set -e
          sudo apt-get update -qq && sudo apt-get install -y -qq unzip
          unzip -q /tmp/src.zip -d /tmp/src
          ROOT=$(find /tmp/src -mindepth 1 -maxdepth 1 -type d | head -1)
          cd "$ROOT"
          python -m pip install -q --upgrade pip
          pip install -q platformio
          pio pkg install -e "${{ inputs.target_env }}"
          MKLITTLEFS_BIN=$(find "$HOME/.platformio/packages" -type f -name mklittlefs 2>/dev/null | head -1)
          if [ -n "$MKLITTLEFS_BIN" ]; then
            export PATH="$(dirname "$MKLITTLEFS_BIN"):$PATH"
          fi
          command -v mklittlefs >/dev/null 2>&1 || echo "WARNING: mklittlefs not on PATH; LittleFS build may fail"
          pio run -e "${{ inputs.target_env }}" 2>&1 | tee /tmp/pio.log
          BUILD_DIR=".pio/build/${{ inputs.target_env }}"
          if [ ! -d "$BUILD_DIR" ]; then
            echo "Build output directory missing"
            exit 1
          fi
          python3 "${{ github.workspace }}/scripts/emit-flash-manifest.py" "$ROOT/$BUILD_DIR" "$ROOT" "${{ inputs.target_env }}"
          ARTIFACT_NAME="firmware-${{ inputs.build_key }}-${{ github.run_id }}.tar.gz"
          STAGE=/tmp/fw-bundle
          rm -rf "$STAGE"
          mkdir -p "$STAGE"
          shopt -s nullglob
          for f in "$BUILD_DIR"/*.bin "$BUILD_DIR"/*.uf2 "$BUILD_DIR"/*.hex; do
            cp -a "$f" "$STAGE/"
          done
          shopt -u nullglob
          if [ -f "$BUILD_DIR/flash-manifest.json" ]; then
            cp -a "$BUILD_DIR/flash-manifest.json" "$STAGE/"
          fi
          if [ -z "$(find "$STAGE" -mindepth 1 -maxdepth 1 -type f -print -quit)" ]; then
            echo "No firmware artifacts found in $BUILD_DIR"
            exit 1
          fi
          tar -czf "/tmp/$ARTIFACT_NAME" -C "$STAGE" .
          OBJECT_PATH="${R2_BUCKET_NAME}/${ARTIFACT_NAME}"
          bunx wrangler r2 object put "$OBJECT_PATH" --file "/tmp/$ARTIFACT_NAME" --remote
          STEP_INDEX=5 LABEL="Firmware bundle uploaded" python3 "${{ github.workspace }}/scripts/report-convex-ci-progress.py"
          echo "r2_key=${ARTIFACT_NAME}" >> "$GITHUB_OUTPUT"

      - name: Notify Convex — success
        if: success()
        shell: bash
        env:
          R2_KEY: ${{ steps.pio.outputs.r2_key }}
        run: |
          curl -sSf -X POST "$CONVEX_URL/ingest-repo-build" \
            -H "Content-Type: application/json" \
            -H "Authorization: Bearer $CONVEX_BUILD_TOKEN" \
            -d "{\"repo_build_id\":\"$REPO_BUILD_ID\",\"state\":\"succeeded\",\"github_run_id\":${{ github.run_id }},\"r2ObjectKey\":\"$R2_KEY\"}"

      - name: Notify Convex — failure
        if: failure()
        shell: bash
        env:
          GITHUB_RUN_ID: ${{ github.run_id }}
        run: |
          python3 -c "
          import json, os, urllib.request
          err = open('/tmp/pio.log').read()[-4000:] if os.path.exists('/tmp/pio.log') else 'build failed'
          body = {
            'repo_build_id': os.environ['REPO_BUILD_ID'],
            'state': 'failed',
            'github_run_id': int(os.environ['GITHUB_RUN_ID']),
            'errorSummary': err,
          }
          req = urllib.request.Request(
            os.environ['CONVEX_URL'] + '/ingest-repo-build',
            data=json.dumps(body).encode(),
            headers={'Content-Type': 'application/json', 'Authorization': 'Bearer ' + os.environ['CONVEX_BUILD_TOKEN']},
            method='POST',
          )
          urllib.request.urlopen(req)
          "