package api

import (
	"net/http"

	"atmoquest/internal/badge"
)

// badgeResponse is the JSON shape for a badge.
type badgeResponse struct {
	Name     string `json:"name"`
	EarnedAt string `json:"earnedAt"`
}

// ListBadges returns all badges earned by the authenticated user.
// GET /api/v1/badges
func (h *Handlers) ListBadges(w http.ResponseWriter, r *http.Request) {
	did, ok := h.requireAuth(w, r)
	if !ok {
		return
	}

	rows, err := h.DB.QueryContext(r.Context(), `
		SELECT d.name, e.earned_at
		FROM earned_badges e
		JOIN badge_definitions d ON d.id = e.badge_id
		WHERE e.did = ?
		ORDER BY e.earned_at DESC
	`, did.String())
	if err != nil {
		writeJSON(w, http.StatusOK, []badgeResponse{})
		return
	}
	defer rows.Close()

	resp := make([]badgeResponse, 0)
	for rows.Next() {
		var b badgeResponse
		if rows.Scan(&b.Name, &b.EarnedAt) == nil {
			resp = append(resp, b)
		}
	}

	writeJSON(w, http.StatusOK, resp)
}

// RecentBadges returns badges earned in the last 60 seconds.
// GET /api/v1/badges/recent
func (h *Handlers) RecentBadges(w http.ResponseWriter, r *http.Request) {
	did, ok := h.requireAuth(w, r)
	if !ok {
		return
	}

	rows, err := h.DB.QueryContext(r.Context(), `
		SELECT d.name FROM earned_badges e
		JOIN badge_definitions d ON d.id = e.badge_id
		WHERE e.did = ? AND e.earned_at >= datetime('now', '-60 seconds')
		ORDER BY e.earned_at DESC
	`, did.String())
	if err != nil {
		writeJSON(w, http.StatusOK, map[string]any{"badges": []string{}})
		return
	}
	defer rows.Close()

	var names []string
	for rows.Next() {
		var name string
		if rows.Scan(&name) == nil {
			names = append(names, name)
		}
	}
	if names == nil {
		names = []string{}
	}

	w.Header().Set("Cache-Control", "no-cache")
	writeJSON(w, http.StatusOK, map[string]any{"badges": names})
}

// Ensure badge package is reachable (used in future device/push handlers).
var _ = badge.Design{}