# This file is used to configure Reviewpad.
# The configuration is a proposal to help you get started.
# You can use it as a starting point and customize it to your needs.
# For more details see https://docs.reviewpad.com/guides/syntax.

# Define the list of labels to be used by Reviewpad.
# For more details see https://docs.reviewpad.com/guides/syntax#label.
labels:
  small:
    description: Pull request is small
    color: "#76dbbe"
  medium:
    description: Pull request is medium
    color: "#2986cc"
  large:
    description: Pull request is large
    color: "#c90076"

# Define the list of workflows to be run by Reviewpad.
# A workflow is a list of actions that will be executed based on the defined rules.
# For more details see https://docs.reviewpad.com/guides/syntax#workflow.
workflows:
  # This workflow calls Reviewpad AI agent to summarize the pull request.
  - name: summarize
    description: Summarize the pull request
    run:
      # Summarize the pull request on pull request when it is opened.
      - if: $eventType() == "opened" && $state() == "open"
        then: $summarize()

  # This workflow assigns the most relevant reviewer to pull requests.
  # This helps guarantee that most pull requests are reviewed by at least one person.
  - name: reviewer-assignment
    description: Assign the most relevant reviewer to pull requests
    run:
      # Automatically assign reviewer when the pull request is ready for review;
      - if: $isDraft() == false
        then: $assignCodeAuthorReviewers()

  # This workflow praises contributors on their pull request contributions.
  # This helps contributors feel appreciated.
  - name: praise-contributors-on-milestones
    description: Praise contributors based on their contributions
    run:
      # Praise contributors on their first pull request.
      - if: $pullRequestCountBy($author()) == 1
        then: $commentOnce($sprintf("Thank you @%s for this first contribution!", [$author()]))

  # This workflow validates that pull requests follow the conventional commits specification.
  # This helps developers automatically generate changelogs.
  # For more details, see https://www.conventionalcommits.org/en/v1.0.0/.
  - name: check-conventional-commits
    description: Validate that pull requests follow the conventional commits
    run:
      - if: $isDraft() == false
        then:
          # Check commits messages against the conventional commits specification
          - $commitLint()
          # Check pull request title against the conventional commits specification.
          - $titleLint()

  # This workflow validates best practices for pull request management.
  # This helps developers follow best practices.
  - name: best-practices
    description: Validate best practices for pull request management
    run:
      # Warn pull requests that do not have an associated GitHub issue.
      - if: $hasLinkedIssues() == false
        then: $warn("Please link an issue to the pull request")
      # Warn pull requests if their description is empty.
      - if: $description() == ""
        then: $warn("Please provide a description for the pull request")
      # Warn pull request do not have a clean linear history.
      - if: $hasLinearHistory() == false
        then: $warn("Please rebase your pull request on the latest changes")

  # This workflow labels pull requests based on the total number of lines changed.
  # This helps pick pull requests based on their size and to incentivize small pull requests.
  - name: size-labeling
    description: Label pull request based on the number of lines changed
    run:
      - if: $size() < 100
        then: $addLabel("small")
        else: $removeLabel("small")
      - if: $size() >= 100 && $size() < 300
        then: $addLabel("medium")
        else: $removeLabel("medium")
      - if: $size() >= 300
        then: $addLabel("large")
        else: $removeLabel("large")

  # This workflow signals pull requests waiting for reviews.
  # This helps guarantee that pull requests are reviewed and approved by at least one person.
  - name: check-approvals
    description: Check that pull requests have the required number of approvals
    run:
      # Label pull requests with `waiting-for-review` if there are no approvals;
      - if: $isDraft() == false && $approvalsCount() < 1
        then: $addLabel("waiting-for-review")

  # This workflow labels pull requests based on the pull request change type.
  # This helps pick pull requests based on their change type.
  - name: change-type-labelling
    description: Label pull requests based on the type of changes
    run:
      # Label pull requests with `docs` if they only modify Markdown or txt files.
      - if: $hasFileExtensions([".md", ".txt"])
        then: $addLabel("docs")
        else: $removeLabel("docs")
      # Label pull requests with `infra` if they modify Terraform files.
      - if: $hasFileExtensions([".tf"])
        then: $addLabel("infra")
        else: $removeLabel("infra")
      # Label pull requests with `dependencies` if they only modify `package.json` and `package.lock` files.
      - if: $hasFileExtensions(["package.json", "package-lock.json"])
        then: $addLabel("dependencies")
        else: $removeLabel("dependencies")

  # This workflow validates that pull requests do not contain changes to the license.
  # This helps avoid unwanted license modifications.
  - name: license-validation
    description: Validate that licenses are not modified
    run:
      # Fail Reviewpad check on pull requests that modify any LICENSE;
      - if: $hasFilePattern("**/LICENSE*")
        then: $fail("License files cannot be modified")