package server

import (
	"net/http"
	"time"

	"github.com/indifferentketchup/llama-sidecar/internal/config"
	"github.com/indifferentketchup/llama-sidecar/internal/pool"
)

func healthHandler(p *pool.Pool, cfg *config.Config, startedAt time.Time) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		sidecars := p.List()
		writeJSON(w, http.StatusOK, map[string]any{
			"status":         "ok",
			"sidecars":       len(sidecars),
			"max":            cfg.MaxSidecars,
			"uptime_seconds": int(time.Since(startedAt).Seconds()),
		})
	}
}

func listSidecarsHandler(p *pool.Pool) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		writeJSON(w, http.StatusOK, p.List())
	}
}

func deleteSidecarHandler(p *pool.Pool) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		hash := r.PathValue("hash")
		if hash == "" {
			writeJSON(w, http.StatusBadRequest, map[string]string{"error": "hash required"})
			return
		}
		if err := p.Remove(hash); err != nil {
			writeJSON(w, http.StatusNotFound, map[string]string{"error": err.Error()})
			return
		}
		writeJSON(w, http.StatusOK, map[string]string{"status": "removed"})
	}
}