package gitea

import (
	"fmt"
	"strings"

	"code.gitea.io/sdk/gitea"
	"github.com/golangci/golangci-lint/pkg/report"
	"github.com/golangci/golangci-lint/pkg/result"

	"code.icb4dc0.de/prskr/nitter/nitters"
)

var _ nitters.Nitter = (*prNitter)(nil)

func NewPRNitter(cli *gitea.Client, cfg *GiteaPRConfig) *prNitter {
	return &prNitter{
		Client: cli,
		cfg:    cfg,
	}
}

type prNitter struct {
	*gitea.Client
	cfg *GiteaPRConfig
}

func (p prNitter) Report(report *report.Data, issues []result.Issue) error {
	warningsBuilder := strings.Builder{}
	for i := range report.Warnings {
		warningsBuilder.WriteString(fmt.Sprintf("\t- %s (%s)", report.Warnings[i].Text, report.Warnings[i].Tag))
	}

	pullReviewOptions := gitea.CreatePullReviewOptions{
		State: "comment",
		Body: fmt.Sprintf(`golangci-lint review results:
Error: %s
Warnings:
%s
`, report.Error, warningsBuilder.String()),
		Comments: make([]gitea.CreatePullReviewComment, 0, len(issues)),
	}

	for i := range issues {
		issue := issues[i]
		pullReviewOptions.Comments = append(pullReviewOptions.Comments, gitea.CreatePullReviewComment{
			Path:       issue.Pos.Filename,
			Body:       "",
			NewLineNum: int64(issue.Pos.Line),
		})
	}

	_, _, err := p.CreatePullReview(p.cfg.Namespace, p.cfg.Repo, p.cfg.PRIndex, pullReviewOptions)
	if err != nil {
		return err
	}

	return nil
}