# SPDX-License-Identifier: AGPL-3.0-or-later
name: release image set

on:
  workflow_dispatch:
    inputs:
      build-version:
        description: "Explicit Fluxer CalVer build version (YYYY.MDD.MICRO, UTC HHMMSS without leading zeroes) to use instead of automatic UTC clock allocation"
        type: string
        required: false
        default: ""
      from-tag:
        description: "Image tag every component is read from (v1 snapshots today's moving tags, a CalVer pins a coordinated build)"
        type: string
        required: false
        default: "v1"
      component-versions:
        description: "Per-component overrides, one <image>=<version> entry per line (for example fluxer-api=2026.830.191141)"
        type: string
        required: false
        default: ""

permissions:
  actions: read
  contents: write
  packages: read

concurrency:
  group: release-image-set
  cancel-in-progress: false

defaults:
  run:
    shell: bash

env:
  GHCR_OWNER: ${{ github.repository_owner }}

jobs:
  approve:
    name: approve image set release
    permissions: {}
    runs-on: ubuntu-24.04
    environment: builds
    timeout-minutes: 5
    steps:
      - name: approved
        run: echo "Image set release approved."

  manifest:
    name: resolve and publish the image set
    needs: approve
    runs-on: ubuntu-24.04
    timeout-minutes: 20
    permissions:
      contents: write
      packages: read
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
        env:
          GIT_CONFIG_GLOBAL: ${{ runner.temp }}/gitconfig
      - name: Set up Rust toolchain (CI helpers)
        uses: dtolnay/rust-toolchain@02cb101ec7c40f2c49e1d9714d64511d8e1b74de
        with:
          toolchain: "1.98.1"
      - uses: docker/setup-buildx-action@f87e5991a6d7451dcb8d9637bfbc97413f497069
      - uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ github.token }}
      - name: Create token
        id: create-token
        uses: actions/create-github-app-token@bcd2ba49218906704ab6c1aa796996da409d3eb1
        with:
          client-id: ${{ vars.FLUXER_CI_APP_ID }}
          private-key: ${{ secrets.FLUXER_CI_APP_KEY }}
          owner: fluxerapp
          repositories: fluxer
          permission-contents: write
          permission-packages: read

      - name: set variables
        id: vars
        env:
          GH_TOKEN: ${{ steps.create-token.outputs.token }}
          FLUXER_BUILD_VERSION: ${{ inputs['build-version'] }}
        run: >-
          tools/ci/run.sh resolve-calver
          --github-output

      - name: resolve release image set
        id: resolve
        env:
          GH_TOKEN: ${{ steps.create-token.outputs.token }}
          VERSION: ${{ steps.vars.outputs.build_version }}
          FROM_TAG: ${{ inputs['from-tag'] }}
          COMPONENT_VERSIONS: ${{ inputs['component-versions'] }}
        run: |
          set -euo pipefail
          args=(
            image-set resolve
            --version "${VERSION}"
            --registry "ghcr.io/${GHCR_OWNER}"
            --from-tag "${FROM_TAG}"
            --out-dir release-out
            --github-output
          )
          while IFS= read -r entry; do
            entry="$(echo "$entry" | xargs)"
            if [ -n "$entry" ]; then
              args+=( --component-version "$entry" )
            fi
          done <<< "${COMPONENT_VERSIONS}"
          tools/ci/run.sh "${args[@]}"

      - name: verify release image set
        env:
          VERSION: ${{ steps.vars.outputs.build_version }}
        run: >-
          tools/ci/run.sh image-set verify
          --manifest "release-out/fluxer-release-${VERSION}.json"

      - name: Publish GitHub release
        env:
          GH_TOKEN: ${{ steps.create-token.outputs.token }}
          VERSION: ${{ steps.vars.outputs.build_version }}
          BUNDLE_COMMIT: ${{ steps.resolve.outputs.bundle_commit }}
        run: |
          set -euo pipefail
          if [ -z "${BUNDLE_COMMIT}" ]; then
            echo "image-set resolve reported no bundle commit" >&2
            exit 1
          fi
          gh release create "fluxer-release@${VERSION}" \
            --repo fluxerapp/fluxer \
            --target "${BUNDLE_COMMIT}" \
            --title "fluxer-release ${VERSION}" \
            --latest=true \
            --notes "Immutable image set for ${VERSION}. Every image in the set contains ${BUNDLE_COMMIT}, the commit this tag points at, so the bundle here is never newer than the images. Pin with: docker compose -f docker-compose.yml -f fluxer-release-${VERSION}.yml up -d" \
            "release-out/fluxer-release-${VERSION}.json" \
            "release-out/fluxer-release-${VERSION}.yml"