package pr

import (
	"github.com/google/go-github/v47/github"

	"edge-infra.dev/pkg/f8n/devinfra/jack/constants"

	"edge-infra.dev/pkg/f8n/devinfra/jack/plugin"
)

func init() {
	plugin.RegisterReviewEventHandler(constants.PluginPR, handleReviewEvent)
}

func handleReviewEvent(hp plugin.HandlerParams, event github.PullRequestReviewEvent) {
	hp.Log.WithName(constants.PluginPR)

	log := hp.Log
	ctx := hp.Ctx
	client := hp.Client

	//gets the reviewer
	sender := []string{event.GetReview().GetUser().GetLogin()}
	senderString := event.GetReview().GetUser().GetLogin()
	log.Info("Running PR plugin")
	//bounces out if the reviewer is the author of the PR
	if event.GetPullRequest().GetUser().GetLogin() == senderString {
		log.Info("reviewer is author")
		return
	}

	//bounces out of the PR is a draft
	isDraft := event.GetPullRequest().GetDraft()
	if isDraft {
		log.Info("PR is draft, not assigning users")
		return
	}

	authorAssociation := event.GetReview().GetAuthorAssociation()
	requestedReviewers := event.GetPullRequest().RequestedReviewers
	repo := event.GetRepo()
	repoName := repo.GetName()
	repoOwner := repo.GetOwner().GetLogin()
	issueNumber := event.GetPullRequest().GetNumber()

	inRequestedReviewers := false

	//bounces out of the reviewer is not in the requested reviewers, otherwise bounces out is the reviewer is a contributor, owner, or collaborator
	if len(requestedReviewers) != 0 {
		for _, v := range requestedReviewers {
			if senderString == v.GetLogin() {
				inRequestedReviewers = true
			}
		}
		if !inRequestedReviewers {
			log.Info("Reviewer is not in requested review list")
			return
		}
	} else if authorAssociation != "CONTRIBUTOR" && authorAssociation != "OWNER" && authorAssociation != "COLLABORATOR" {
		log.Info("Ignoring review from non contributor, non owner, or non collaborator")
		return
	}
	//Adds the commentor to the list if they are an owner or conrtributor
	_, _, err := client.Issues().AddAssignees(ctx, repoOwner, repoName, issueNumber, sender)
	if err != nil {
		log.Error(err, "Failed to add assigner")
		// return err
	}
	log.Info("Added assignment from review")
	// return nil
}