package pierre

import (
	"context"
	"fmt"
	"log"
)

func (s *Service) MakeReview(ctx context.Context, organisation string, repo string, prID int) error {
	// Fetch Diff using positional args from shared RepoArgs
	diff, err := s.git.GetDiff(ctx, organisation, repo, prID)
	defer diff.Close()
	if err != nil {
		return fmt.Errorf("error fetching diff: %w", err)
	}

	// Run Logic
	comments, err := s.judgePR(ctx, diff)
	if err != nil {
		return fmt.Errorf("error judging PR: %w", err)
	}

	fmt.Printf("Analysis complete. Found %d issues.\n---\n", len(comments))

	model := s.chat.GetProviderName()

	for _, c := range comments {
		c.Message = fmt.Sprintf("%s (Generated by: %s)", c.Message, model)

		if s.disableComments {
			// Dry‑run: just log what would have been posted.
			log.Printf("dry‑run: %s:%d => %s", c.File, c.Line, c.Message)
		} else {
			// Normal mode: print to stdout and post the comment to the VCS.
			fmt.Printf("File: %s\nLine: %d\nMessage: %s\n%s\n",
				c.File, c.Line, c.Message, "---")
			if err := s.git.AddComment(ctx, organisation, repo, prID, c); err != nil {
				log.Printf("Failed to add comment: %v", err)
			}
		}
	}

	return nil
}