import {useState} from "react";
import {useMutation} from "react-query";
import auth from "@react-native-firebase/auth";
import firestore from "@react-native-firebase/firestore";
import {User,} from "./types/profileTypes";
import {useSignUp} from "@/hooks/firebase/useSignUp";

type ProfileType = "parent" | "child" | "caregiver" | null;

const useAuth = () => {
    const createUserMutation = useMutation(() =>
        auth().createUserWithEmailAndPassword(email, password)
    );
    const signInMutation = useMutation(() =>
        auth().signInWithEmailAndPassword(email, password)
    );
    const loginMutation = useMutation(() =>
        auth().signInWithEmailAndPassword(email, password)
    );
    const signOutMutation = useMutation(() => auth().signOut());
    const {mutateAsync: signUp } =   useSignUp()

    /*const setProfileDataMutation = useMutation((profileData) => {
      const currentUser = auth().currentUser;
      if (currentUser) {
        return firestore()
          .collection("Profiles")
          .doc(currentUser.uid)
          .set(profileData);
      }
    });*/

    const [user, setUser] = useState<User | null>(null);
    const [profileType, setProfileType] = useState<ProfileType>(null);
    const [email, setEmail] = useState<string>("");
    const [password, setPassword] = useState<string>("");

    const handleRegister = async () => {
        try {

            await signUp({email, password})
            // await createUserMutation.mutateAsync();
            console.log("User registered!");

            // await signInMutation.mutateAsync();
            // console.log("User signed in!");

            /*let profileData: ParentProfile | ChildProfile | CaregiverProfile;
            switch (profileType) {
              case "parent":
                profileData = {
                  userType: "parent",
                  name: "",
                  childrenIds: [],
                } as ParentProfile;
                break;
              case "child":
                profileData = {
                  userType: "child",
                  name: "",
                  birthday: new Date(),
                  parentId: "X",
                } as ChildProfile;
                break;
              case "caregiver":
                profileData = {
                  userType: "caregiver",
                  name: "Nanny Nannersen",
                  contact: "5523123",
                } as CaregiverProfile;
                break;
              default:
                throw new Error("Invalid profile type");
            }

            const currentUser = auth().currentUser;
            if (currentUser) {
              await firestore()
                .collection("Profiles")
                .doc(currentUser.uid)
                .set(profileData);
              console.log("Profile document added!");
            }*/
        } catch (error) {
            console.error("Error during registration: ", error);
        }
    };

    const handleLogin = async () => {
        try {
            await loginMutation.mutateAsync();
            console.log("User signed in!");
        } catch (error) {
            console.error("Error during sign in:", error);
        }
    };

    const handleSignOut = async () => {
        try {
            await signOutMutation.mutateAsync();
            console.log("User signed out!");
        } catch (error) {
            console.error("Error during sign out:", error);
        }
    };

    const handleProfileTypeSelection = async (type: ProfileType) => {
        if (user) {
            setProfileType(type);

            try {
                await firestore()
                    .collection("Profiles")
                    .doc(user.uid)
                    .set({profileType: type}, {merge: true});
            } catch (error) {
                console.error("Error saving profile type:", error);
            }
        }
    };

    return {
        user,
        profileType,
        email,
        setEmail,
        password,
        setPassword,
        handleLogin,
        handleSignOut,
        handleProfileTypeSelection,
        handleRegister,
    };
};

export default useAuth;