package context

import (
	"lishwist/auth"
	"lishwist/db"
	"net/http"
	"slices"
)

type Context struct {
	Auth *auth.AuthMiddleware
}

func (ctx *Context) WishlistAdd(w http.ResponseWriter, r *http.Request) {
	user := ctx.Auth.ExpectUser(r)
	if err := r.ParseForm(); err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}
	items := db.GetUserItems(user.Username)
	newItem := r.Form.Get("item")
	if newItem != "" {
		items = append(items, newItem)
	}
	db.SetUserItems(user.Username, items)
	http.Redirect(w, r, "/", http.StatusSeeOther)
}

func (ctx *Context) WishlistDelete(w http.ResponseWriter, r *http.Request) {
	user := ctx.Auth.ExpectUser(r)
	if err := r.ParseForm(); err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}
	items := db.GetUserItems(user.Username)
	target := r.Form.Get("item")
	if target == "" {
		http.Error(w, "Item not provided"+target, http.StatusBadRequest)
		return
	}
	idx := slices.Index(items, target)
	if idx < 0 {
		http.Error(w, "Couldn't find item: "+target, http.StatusBadRequest)
		return
	}
	items = append(items[:idx], items[idx+1:]...)
	db.SetUserItems(user.Username, items)
	http.Redirect(w, r, "/", http.StatusSeeOther)
}