import store from '@/store';

const exam = {
	namespaced: true,

	state: {
		started: false, 	// 考试状态
		usedTime: 0, 		// 考试当前所用时间
		totalTime: 0, 		// 考试总时间
		timeInterval: null, // 计时器
		suspend: false, 	// 暂停
		ruleList: [],		// 考试规则列表
		courseDetail: {},	// 课程详情
		courseList: []		// 课程列表
	},
	getters: {
		started: (state) => {
			return state.started;
		},
		usedTime: (state) => {
			return state.usedTime;
		},
		totalTime: (state) => {
			return state.totalTime;
		},
		suspend: (state) => {
			return state.suspend;
		}
	},
	mutations: {
		setStarted: (state, started) => {
			state.started = started;
		},
		setSuspend: (state, suspend) => {
			state.suspend = suspend;
		},
		setUsedTime: (state, usedTime) => {
			state.usedTime = usedTime;
		},
		setTotalTime: (state, totalTime) => {
			state.totalTime = totalTime;
		},
		countUsedTime: (state) => {
			if (state.timeInterval) {
				clearInterval(state.timeInterval);
				state.timeInterval = null;
			}
			state.timeInterval = setInterval(() => {
				if (!state.suspend) {
					state.usedTime++;
				}
			}, 1000);
		},
		stopCountTime: (state) => {
			if (state.timeInterval) {
				clearInterval(state.timeInterval);
				state.timeInterval = null;
			}
		},
		setRuleList: (state, ruleList) => {
			state.ruleList = ruleList;
		},
		setCourseDetail: (state, courseDetail) => {
			state.courseDetail = courseDetail;
		},
		setCourse: (state, courseList) => {
			state.courseList = courseList;
		}
	},
	actions: {
		start({ commit }) {
			commit('setStarted', true);
			commit('setSuspend', false);
			commit('setUsedTime', 0);
			commit('countUsedTime');
		},
		over({ commit }) {
			commit('setStarted', false);
			commit('setSuspend', true);
			commit('setUsedTime', 0);
			commit('stopCountTime');
		},
		isOver() {
			const trainingList = store.getters['trainingList/trainingList'];
			const doList = trainingList.filter(elem => {
				if (elem.usedTime !== undefined) return true;
			});

			if (doList.length >= trainingList.length) {
				return true;
			}
		},
		setSuspend({ commit }, suspend) {
			commit('setSuspend', suspend);
		},
		setUsedTime({ state }, usedTime) {
			if (usedTime) {
				state.usedTime = usedTime;
			}
		},
		setTotalTime({ commit }, totalTime) {
			if (totalTime) {
				commit('setTotalTime', totalTime);
			}
		},
		countUsedTime({ commit }) {
			commit('countUsedTime');
		},
		setRuleList({ commit }, ruleList) {
			commit('setRuleList', ruleList);
		},
		setCourseDetail({ commit }, courseDetail) {
			commit('setCourseDetail', courseDetail);
		},
		setCourse({ commit }, course) {
			commit('setCourse', course);
		}
	}
};

export default exam;