import {Module} from "@/interfaces";
import {Exam, ShuffleMap, UserSolution} from "@/interfaces/exam";
import {Assignment} from "@/interfaces/results";
import {create} from "zustand";

export interface ExamState {
	exams: Exam[];
	userSolutions: UserSolution[];
	showSolutions: boolean;
	hasExamEnded: boolean;
	selectedModules: Module[];
	assignment?: Assignment;
	timeSpent: number;
	sessionId: string;
	moduleIndex: number;
	exam?: Exam;
	partIndex: number;
	exerciseIndex: number;
	questionIndex: number;
	inactivity: number;
	shuffleMaps: ShuffleMap[];
}

export interface ExamFunctions {
	setExams: (exams: Exam[]) => void;
	setUserSolutions: (userSolutions: UserSolution[]) => void;
	setShowSolutions: (showSolutions: boolean) => void;
	setHasExamEnded: (hasExamEnded: boolean) => void;
	setSelectedModules: (modules: Module[]) => void;
	setAssignment: (assignment?: Assignment) => void;
	setTimeSpent: (timeSpent: number) => void;
	setSessionId: (sessionId: string) => void;
	setModuleIndex: (moduleIndex: number) => void;
	setExam: (exam?: Exam) => void;
	setPartIndex: (partIndex: number) => void;
	setExerciseIndex: (exerciseIndex: number) => void;
	setQuestionIndex: (questionIndex: number) => void;
	setInactivity: (inactivity: number) => void;
	setShuffleMaps: (shuffleMaps: ShuffleMap[]) => void;
	reset: () => void;
}

export const initialState: ExamState = {
	exams: [],
	userSolutions: [],
	showSolutions: false,
	selectedModules: [],
	hasExamEnded: false,
	assignment: undefined,
	timeSpent: 0,
	sessionId: "",
	exam: undefined,
	moduleIndex: 0,
	partIndex: -1,
	exerciseIndex: -1,
	questionIndex: 0,
	inactivity: 0,
	shuffleMaps: []
};

const useExamStore = create<ExamState & ExamFunctions>((set) => ({
	...initialState,

	setUserSolutions: (userSolutions: UserSolution[]) => set(() => ({userSolutions})),
	setExams: (exams: Exam[]) => set(() => ({exams})),
	setShowSolutions: (showSolutions: boolean) => set(() => ({showSolutions})),
	setSelectedModules: (modules: Module[]) => set(() => ({selectedModules: modules})),
	setHasExamEnded: (hasExamEnded: boolean) => set(() => ({hasExamEnded})),
	setAssignment: (assignment?: Assignment) => set(() => ({assignment})),
	setTimeSpent: (timeSpent) => set(() => ({timeSpent})),
	setSessionId: (sessionId: string) => set(() => ({sessionId})),
	setExam: (exam?: Exam) => set(() => ({exam})),
	setModuleIndex: (moduleIndex: number) => set(() => ({moduleIndex})),
	setPartIndex: (partIndex: number) => set(() => ({partIndex})),
	setExerciseIndex: (exerciseIndex: number) => set(() => ({exerciseIndex})),
	setQuestionIndex: (questionIndex: number) => set(() => ({questionIndex})),
	setInactivity: (inactivity: number) => set(() => ({inactivity})),
	setShuffleMaps: (shuffleMaps) => set(() => ({shuffleMaps})),

	reset: () => set(() => initialState),
}));

export default useExamStore;