apiVersion: tekton.dev/v1
kind: Task
metadata:
  name: rust-nx-merge
  annotations:
    tekton.dev/pipelines.minVersion: "0.30.0"
    tekton.dev/categories: GitOps
    tekton.dev/tags: git, nx, rust, monorepo
    tekton.dev/displayName: "Merge Rust Projects into Nx Monorepo"
spec:
  description: |
    Imports Rust projects into an Nx monorepo structure and synchronizes Cargo.toml versions.
    Accepts space-separated project pairs for bulk operations.

  params:
    - name: targetProjects
      type: string
      description: "Space-separated target project paths in monorepo (e.g., 'libs/auth libs/payment')"

    - name: sourceProjects
      type: string
      description: "Space-separated source project paths in workspace (e.g., 'generated/auth generated/payment')"

    - name: version
      type: string
      description: "Version to set in Cargo.toml files"
      default: "0.1.0"

    - name: workspaceName
      type: string
      description: "Name of the monorepo workspace directory"
      default: "unbox-x"

  workspaces:
    - name: source
      description: Workspace containing source projects
    - name: repo
      description: Git repository workspace

  steps:
    - name: import-projects
      image: node:18-alpine
      workingDir: $(workspaces.repo.path)
      script: |
        #!/bin/sh
        set -ex
        
        # Install Nx if missing
        command -v nx >/dev/null || npm install -g nx@latest
        
        # Convert parameters to arrays
        TARGETS=($(echo "$(params.targetProjects)" | tr ' ' '\n'))
        SOURCES=($(echo "$(params.sourceProjects)" | tr ' ' '\n'))

        if [ ${#TARGETS[@]} -ne ${#SOURCES[@]} ]; then
          echo "Error: targetProjects and sourceProjects count mismatch"
          exit 1
        fi

        # Process each project pair
        for i in $(seq 0 $((${#TARGETS[@]}-1))); do
          SRC="$(workspaces.source.path)/${SOURCES[$i]}"
          TARGET="${TARGETS[$i]}"
          
          echo "Importing: ${SRC} → ${TARGET}"
          nx import "${SRC}" --destination="${TARGET}" --importPath=$(basename "${TARGET}")
          
          echo "Updating version to $(params.version)"
          sed -i.bak "s/^version = .*/version = \"$(params.version)\"/" "${TARGET}/Cargo.toml"
          rm -f "${TARGET}/Cargo.toml.bak"
        done

    - name: git-commit
      image: alpine/git:latest
      workingDir: $(workspaces.repo.path)
      script: |
        #!/bin/sh
        set -e
        git config --global user.name "tekton-bot"
        git config --global user.email "tekton@example.com"
        git add .
        git commit -m "chore: merge projects (version $(params.version))" || exit 0
        git push origin HEAD:main