export default {
  namespaced: true,
  state: {
	 paperInfo: null,
	 fromSchoolId: null, // 归属学校id // 该参数通过二维码链接获取
	 studentId: null,
	 studentQuestionAnserList: [],
	 examParams: null // 缓存考试页面试题及答案参数
	 // userFormData: null // 缓存用户信息表单参数
  },
  
  getters: {
	  
	getStudentQuestionAnserList: state => {
		if (state.studentQuestionAnserList.length > 0) {
			return state.studentQuestionAnserList
		}
		let studentQuestionAnserList = uni.getStorageSync('studentQuestionAnserList')
		if (studentQuestionAnserList) {
			return JSON.parse(studentQuestionAnserList)
		}
		return null 
	}, 
	  
	getExamParams: state => {
		if (state.examParams) {
			return state.examParams
		}	
		let examParams = uni.getStorageSync('examParams')
		if (examParams) {
			return JSON.parse(examParams)
		}
		return null	
	}, 
	  
    getPaperInfo: state => {
	   if (state.paperInfo) {
		   return state.paperInfo
	   }	
	   let paperInfo = uni.getStorageSync('paperInfo')
	   if (paperInfo) {
		   return JSON.parse(paperInfo)
	   }
       return null	   
    },
	
	getStudentId: state => {
		if (state.studentId) {
			return state.studentId
		}	
		let studentId = uni.getStorageSync('studentId')
		if (studentId) {
			return parseInt(JSON.parse(studentId))
		}
		return null
	},
	
	getFromSchoolId: state => {
		if (state.fromSchoolId) {
			return state.fromSchoolId
		}	
		let fromSchoolId = uni.getStorageSync('fromSchoolId')
		if (fromSchoolId) {
			return parseInt(JSON.parse(fromSchoolId))
		}
		return null
	}
	  
  },
  
  mutations: {
	  
	updateStudentQuestionAnserList (state, data) {
	  	state.studentQuestionAnserList = data
	  	uni.setStorage({
	  		key: 'studentQuestionAnserList',
	  		data: JSON.stringify(studentQuestionAnserList)
	  	})
	},
	  
	updatePaperInfo (state, data) {
		state.paperInfo = data
		uni.setStorage({
			key: 'paperInfo',
			data: JSON.stringify(data)
		})
	},
	
	updateStudentId (state, data) {
		state.studentId = data
		uni.setStorage({
			key: 'studentId',
			data: JSON.stringify(data)
		})
	},
	
	updateExamParams (state, data) {
		state.examParams = data
		uni.setStorage({
			key: 'examParams',
			data: JSON.stringify(data)
		})
	},
	
	updateFromSchoolId (state, data) {
		state.fromSchoolId = data
		uni.setStorage({
			key: 'fromSchoolId',
			data: JSON.stringify(data)
		})
	}
  }
}