package handler

import (
	"database/sql"
	"encoding/json"
	"log"
	"net/http"
	"time"
)

func (h *Handler) Info(w http.ResponseWriter, r *http.Request) {
	id := r.PathValue("id")
	if id == "" {
		http.NotFound(w, r)
		return
	}

	rec, err := h.store.Get(id)
	if err == sql.ErrNoRows {
		http.NotFound(w, r)
		return
	}
	if err != nil {
		log.Printf("db get error: %v", err)
		http.Error(w, "internal error", http.StatusInternalServerError)
		return
	}

	resp := map[string]any{
		"id":             rec.ID,
		"filename":       rec.Filename,
		"size":           rec.SizeBytes,
		"content_type":   rec.ContentType,
		"uploaded_at":    rec.UploadedAt.Format(time.RFC3339),
		"download_count": rec.DownloadCount,
		"password":       rec.PasswordHash != nil,
	}
	if rec.ExpiresAt != nil {
		resp["expires_at"] = rec.ExpiresAt.Format(time.RFC3339)
		resp["expired"] = rec.ExpiresAt.Before(time.Now().UTC())
	}

	w.Header().Set("Content-Type", "application/json")
	json.NewEncoder(w).Encode(resp)
}