package presenter

import (
	"fmt"
	"io"
	"text/tabwriter"

	"gitea.oblak.solutions/dimitar/gitFlow/internal/ai"
)

// Suggestions renders AI suggestions below a scan result, color-coded by
// priority.
func Suggestions(w io.Writer, opts Options, suggestions []ai.Suggestion) error {
	if len(suggestions) == 0 {
		fmt.Fprintln(w, "\nAI: no suggestions — all repositories are healthy.")
		return nil
	}

	r := newRendererTheme(opts.Color, opts.Theme, w)
	fmt.Fprintln(w, "\nAI SUGGESTIONS")
	tw := tabwriter.NewWriter(w, 2, 4, 2, ' ', 0)
	fmt.Fprintln(tw, "REPOSITORY\tACTION\tPRIORITY\tMESSAGE\tCOMMAND")
	for _, s := range suggestions {
		prio := priorityLabel(s.Priority)
		switch s.Priority {
		case 2:
			prio = r.red + prio + r.reset
		case 1:
			prio = r.yellow + prio + r.reset
		case 0:
			prio = r.green + prio + r.reset
		}
		fmt.Fprintf(tw, "%s\t%s\t%s\t%s\t%s\n",
			shortPath(s.RepoPath), s.Action, prio, s.Message, s.Command)
	}
	return tw.Flush()
}

func priorityLabel(p int) string {
	switch {
	case p >= 2:
		return "high"
	case p == 1:
		return "medium"
	default:
		return "low"
	}
}