package routing

import (
	"encoding/json"
	"lishwist/db"
	"net/http"
)

func (ctx *Context) UsersJson(currentUser *db.User, w http.ResponseWriter, r *http.Request) {
	if !currentUser.IsAdmin {
		NotFoundJson(w, r)
		return
	}

	users, err := db.GetAllUsers()
	if err != nil {
		writeGeneralErrorJson(w, http.StatusInternalServerError, "Failed to get users: "+err.Error())
		return
	}

	_ = json.NewEncoder(w).Encode(users)
}

func (ctx *Context) User(currentUser *db.User, w http.ResponseWriter, r *http.Request) {
	if !currentUser.IsAdmin {
		NotFoundJson(w, r)
		return
	}

	reference := r.PathValue("userReference")

	user, err := db.GetUserByReference(reference)
	if err != nil {
		writeGeneralErrorJson(w, http.StatusInternalServerError, "Failed to get user: %s", err)
		return
	}
	if user == nil {
		writeGeneralErrorJson(w, http.StatusNotFound, "User not found")
		return
	}

	_ = json.NewEncoder(w).Encode(user)
}

func (ctx *Context) UserPost(currentUser *db.User, w http.ResponseWriter, r *http.Request) {
	if !currentUser.IsAdmin {
		NotFoundJson(w, r)
		return
	}
	if err := r.ParseForm(); err != nil {
		writeGeneralErrorJson(w, http.StatusInternalServerError, "Failed to parse form: %s", err)
		return
	}

	reference := r.PathValue("userReference")
	if reference == currentUser.Reference {
		writeGeneralErrorJson(w, http.StatusForbidden, "You cannot delete yourself.")
		return
	}

	user, err := db.GetAnyUserByReference(reference)
	if err != nil {
		writeGeneralErrorJson(w, http.StatusInternalServerError, "Failed to get user: %s", err)
		return
	}
	if user == nil {
		writeGeneralErrorJson(w, http.StatusNotFound, "User not found")
		return
	}

	intent := r.Form.Get("intent")

	if intent != "" {
		err = user.SetLive(intent != "delete")
		if err != nil {
			writeGeneralErrorJson(w, http.StatusInternalServerError, "Failed to delete user: "+err.Error())
			return
		}
	}

	_ = json.NewEncoder(w).Encode(user)
}