package app

import (
	"net/http"
	"strings"
)

func handleTransportSingBoxProfileCardDelete(w http.ResponseWriter, r *http.Request, id string) {
	baseRevision, err := parseOptionalInt64(strings.TrimSpace(r.URL.Query().Get("base_revision")))
	if err != nil {
		writeJSON(w, http.StatusBadRequest, SingBoxProfilesResponse{
			OK:      false,
			Code:    singBoxProfileCodeBadBaseRevision,
			Message: "invalid base_revision",
		})
		return
	}

	singBoxProfilesMu.Lock()
	defer singBoxProfilesMu.Unlock()
	st := loadSingBoxProfilesState()
	idx := findSingBoxProfileIndex(st.Items, id)
	if idx < 0 {
		writeJSON(w, http.StatusNotFound, SingBoxProfilesResponse{
			OK:      false,
			Code:    singBoxProfileCodeNotFound,
			Message: "not found",
		})
		return
	}
	cur := st.Items[idx]
	if baseRevision > 0 && baseRevision != cur.ProfileRevision {
		writeJSON(w, http.StatusConflict, SingBoxProfilesResponse{
			OK:      false,
			Code:    singBoxProfileCodeRevisionMismatch,
			Message: "base_revision mismatch",
			Item:    &cur,
		})
		return
	}

	st.Items = append(st.Items[:idx], st.Items[idx+1:]...)
	ensureSingBoxProfilesActiveID(&st)
	st.Revision++
	if err := saveSingBoxProfilesState(st); err != nil {
		writeJSON(w, http.StatusInternalServerError, SingBoxProfilesResponse{
			OK:      false,
			Code:    singBoxProfileCodeSaveFailed,
			Message: "save failed: " + err.Error(),
		})
		return
	}
	_ = writeSingBoxSecrets(id, nil)
	events.push("singbox_profile_saved", map[string]any{
		"id":      id,
		"deleted": true,
	})
	writeJSON(w, http.StatusOK, SingBoxProfilesResponse{
		OK:              true,
		Message:         "deleted",
		ActiveProfileID: st.ActiveProfileID,
	})
}