name: Docker Build
run-name: ${{ github.actor }} run Actions

on:
  workflow_call:
    secrets:
      ARGOCD_GIT_TOKEN:
        required: true
        description: 'Token for ArgoCD Git access'
    inputs:
      registry:
        required: false
        type: string
        default: ${{ vars.REGISTERY_ADDRESS }}
      debug:
        required: false
        type: boolean
        default: false
      argocd_repo_url:
        required: false
        type: string
        default: ${{ github.repository_owner }}/argocd
      readme: 
        required: false
        type: string
        default: |
          # ${{ github.repository }} - ${{ github.ref_name }}
          
          This directory contains the ArgoCD manifests for the ${{ github.repository }} repository on the ${{ github.ref_name }} branch.
          
          ## Repository Information
          - Repository: ${{ github.repository }}
          - Branch: ${{ github.ref_name }}
          - URL: https://github.com/${{ github.repository }}/tree/${{ github.ref_name }}

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:

      - uses: rlespinasse/github-slug-action@v5
        id: slug
    
      - name: checkout argocd repo
        uses: actions/checkout@v4
        with:
          repository: ${{ inputs.argocd_repo_url }}
          token: ${{ secrets.ARGOCD_GIT_TOKEN }}
      - uses: imranismail/setup-kustomize@v2
        with:
          kustomize-version: '5.7.1'

      - name: debug info
        if: ${{ inputs.debug }}
        run: |
          echo "Repo URL is ${{ inputs.argocd_repo_url }}"
          printenv
      - name: Create path if not exists
        run: |
          set -e
          set -x # enable debugging
          printenv
          # check if org exists
          if [ -d "./manifests/${{env.GITHUB_REF_SLUG}}/${{env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL}}" ]; then
            echo "Org directory exists"
          else
            echo "Org directory does not exist, creating..."
            mkdir -p "./manifests/${{env.GITHUB_REF_SLUG}}/${{env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL}}"
          fi
          cd "./manifests/${{env.GITHUB_REF_SLUG}}/${{env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL}}"
          # check if README.md exists
          if [ -f "README.md" ]; then
            echo "README.md file exists"
          else
            echo "README.md file does not exist, creating..."
            echo "${{ inputs.readme }}" > README.md
          fi

          # check if path exists
          if [ -d "./services" ]; then
            echo "Path exists"
          else
            echo "Path does not exist, creating..."
            mkdir -p "./services"
            touch "./services/.gitkeep"
          fi
      - name: list files
        if : ${{ inputs.debug }}
        run: ls -laR ./manifests/${{env.GITHUB_REF_SLUG}}/${{env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL}}

      - name: kustomize set image
        run: |
          set -e
          if ${{ inputs.debug }}; then
            set -x # enable debugging
            printenv
          fi

          cd "./manifests/${{env.GITHUB_REF_SLUG}}/${{env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL}}"

          echo "${{ inputs.readme }}" > README.md
          echo "# Deployed image info" >> README.md
          echo "Updating image to ${{ inputs.registry }}/${{ env.GITHUB_REPOSITORY_OWNER_PART_SLUG }}/${{ env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL }}:sha-${{ github.sha }}" >> README.md
          echo "" >> README.md
          echo "Last updated at $(date -u +"%Y-%m-%dT%H:%M:%SZ")" >> README.md
          echo "" >> README.md
          echo "commit: ${{ github.server_url }}/${{ github.repository }}/commit/${{ github.sha }}" >> README.md

          if [ -f "kustomization.yaml" ]; then
            echo "kustomization.yaml file exists, updating image..."
          else
            echo "kustomization.yaml file does not exist, creating..."
            kustomize create  . 
          fi

          kustomize edit set image ${{ inputs.registry }}/${{ env.GITHUB_REPOSITORY_OWNER_PART_SLUG }}/${{ env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL }}:latest=${{ inputs.registry }}/${{ env.GITHUB_REPOSITORY_OWNER_PART_SLUG }}/${{ env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL }}:sha-${{ github.sha }}
          kustomize edit set annotation \
             app.io/version:"${{ github.sha }}" \
              app.io/branch:"${{ github.ref_name }}" \
              app.io/repository:"${{ github.repository }}" \
              app.io/commit-origin:"${{ github.server_url }}/${{ github.repository }}/commit/${{ github.sha }}"
      - name: kustomize  debug
        if: ${{ inputs.debug }}
        run: |
          set -e
          set -x # enable debugging
          cd "./manifests/${{env.GITHUB_REF_SLUG}}/${{env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL}}"
          cat README.md
          cat kustomization.yaml
      - name: Commit and push changes
        run: |
          set -e
          if ${{ inputs.debug }}; then
            set -x # enable debugging
            printenv
          fi
          cd "./manifests/${{env.GITHUB_REF_SLUG}}/${{env.GITHUB_REPOSITORY_NAME_PART_SLUG_URL}}"
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git add .
          git commit -m "Update ArgoCD manifests by ${{ github.actor }}" -m "Repository: ${{ github.repository }}
                Actor: ${{ github.actor }}
                Commit: ${{ github.sha }}
                Branch: ${{ github.ref_name }}" \
            || echo "No changes to commit"


          git push origin main || echo "No changes to push"