# Copyright 2022 The Flutter Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

steps:
  # ==========================================
  # STEP 1: Determine tags based on version
  # ==========================================
  - name: 'gcr.io/cloud-builders/docker'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        set -euo pipefail

        # Install curl and jq
        set +e
        apt-get update && apt-get install -y curl jq 2>/dev/null || apk add curl jq 2>/dev/null
        set -e

        # Fetch the JSON release data
        echo "Fetching Flutter release data..."
        JSON_DATA=$$(curl -sf https://storage.googleapis.com/flutter_infra_release/releases/releases_linux.json)

        if [ -z "$$JSON_DATA" ]; then
          echo "Error: Failed to fetch JSON release data from Google Cloud Storage."
          exit 1
        fi

        # Extract the stable and beta versions
        STABLE_VERSION=$$(echo "$$JSON_DATA" | \
          jq -r '.current_release.stable as $$stable_hash | .releases[] | select(.hash == $$stable_hash) | .version' | head -n 1)
        BETA_VERSION=$$(echo "$$JSON_DATA" | \
          jq -r '.current_release.beta as $$beta_hash | .releases[] | select(.hash == $$beta_hash) | .version' | head -n 1)

        if [ -z "$$STABLE_VERSION" ] || [ "$$STABLE_VERSION" == "null" ]; then
          echo "Error: STABLE_VERSION could not be parsed."
          exit 1
        fi

        if [ -z "$$BETA_VERSION" ] || [ "$$BETA_VERSION" == "null" ]; then
          echo "Error: BETA_VERSION could not be parsed."
          exit 1
        fi

        echo "Current stable version is: $$STABLE_VERSION"
        echo "Current beta version is: $$BETA_VERSION"
        echo "Building for version: $_FLUTTER_VERSION"

        BASE_TAGS="us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_base:$_FLUTTER_VERSION"
        DEV_TAGS="us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_docker:$_FLUTTER_VERSION"

        if [ "$_FLUTTER_VERSION" == "$$STABLE_VERSION" ]; then
          echo "Version $_FLUTTER_VERSION is stable. Tagging as stable and latest."
          BASE_TAGS="$$BASE_TAGS,us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_base:stable,us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_base:latest"
          DEV_TAGS="$$DEV_TAGS,us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_docker:stable,us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_docker:latest"
        elif [ "$_FLUTTER_VERSION" == "$$BETA_VERSION" ]; then
          echo "Version $_FLUTTER_VERSION is beta. Tagging as beta."
          BASE_TAGS="$$BASE_TAGS,us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_base:beta"
          DEV_TAGS="$$DEV_TAGS,us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_docker:beta"
        else
          echo "Version $_FLUTTER_VERSION is neither stable nor beta. Using version tag only."
        fi

        echo "BASE_TAGS=$$BASE_TAGS" > /workspace/tags.env
        echo "DEV_TAGS=$$DEV_TAGS" >> /workspace/tags.env

  # ==========================================
  # STEP 2: Build the Multi-Arch Base Image
  # ==========================================
  - name: 'gcr.io/cloud-builders/docker'
    dir: 'cloud_build/flutter_agy_docker/'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        set -euo pipefail

        # Register QEMU emulators for multi-arch build
        docker run --privileged --rm tonistiigi/binfmt --install all

        # Create a new buildx builder
        docker buildx create --use

        # Read tags
        source /workspace/tags.env

        # Convert comma-separated tags to -t arguments
        IFS=',' read -ra ADDR <<< "$$BASE_TAGS"
        TAG_ARGS=()
        for tag in "$${ADDR[@]}"; do
          TAG_ARGS+=("-t" "$$tag")
        done

        # Build and push the base image
        docker buildx build \
          --platform linux/amd64,linux/arm64 \
          --cache-from us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_base:latest \
          --cache-to type=inline \
          --build-arg FLUTTER_VERSION=$_FLUTTER_VERSION \
          "$${TAG_ARGS[@]}" \
          -f Dockerfile.base \
          --push \
          .

  # ==========================================
  # STEP 3: Build the Multi-Arch Dev Image
  # ==========================================
  - name: 'gcr.io/cloud-builders/docker'
    dir: 'cloud_build/flutter_agy_docker/'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        set -euo pipefail

        # Register QEMU emulators
        docker run --privileged --rm tonistiigi/binfmt --install all

        # Create a new buildx builder
        docker buildx create --use

        # Read tags
        source /workspace/tags.env

        # Convert comma-separated tags to -t arguments
        IFS=',' read -ra ADDR <<< "$$DEV_TAGS"
        TAG_ARGS=()
        for tag in "$${ADDR[@]}"; do
          TAG_ARGS+=("-t" "$$tag")
        done

        # Build and push the developer image
        docker buildx build \
          --platform linux/amd64,linux/arm64 \
          --cache-from us-docker.pkg.dev/flutter-infra/flutter-infra/flutter_docker:latest \
          --cache-to type=inline \
          --build-arg FLUTTER_VERSION=$_FLUTTER_VERSION \
          --build-arg CACHE_BUSTER=$BUILD_ID \
          "$${TAG_ARGS[@]}" \
          -f Dockerfile \
          --push \
          .

substitutions:
  _FLUTTER_VERSION: "3.44.3"

options:
  logging: CLOUD_LOGGING_ONLY