import {createSlice} from '@reduxjs/toolkit'
import {isEmpty} from "../utils/ObjectUtils";
/*
        "fileName": filePath,
        "filePath": filePath,
        "dirFlag": true,
        "childList": fileChildList
 */
export const dirMessageSlice = createSlice({
    name: 'dirMessage',
    initialState: {
        data: [],
        // selectDirKey:""
    },
    reducers: {
        dirAdd: (state, action) => {
            console.log("dirMessage:dirAdd", state, action)
            if (action.payload) {
                // 新添加进来的目录，要判断是否包含或者被包含，如果包含则统一树结构
                let fileFilter = state.data.filter((fileMessage) =>
                    fileMessage.filePath.startsWith(action.payload[0].filePath)
                );
                let actionFilter = state.data.filter((fileMessage) =>
                    action.payload[0].filePath.startsWith(fileMessage.filePath)
                );
                let equalsFilter = state.data.filter((fileMessage) =>
                    action.payload[0].filePath===fileMessage.filePath
                );
                // 打开相同目录不用处理
                if (equalsFilter.length > 0) {
                    console.log('equalsFilter', filter)
                }
                // 打开上级目录
                else if (actionFilter.length>0){

                }
                // 打开下级目录
                else if (fileFilter.length>0){

                }
                // 无关目录
                else {
                    // 添加进当前目录
                    state.data = [...new Set([...state.data, ...action.payload])];
                    console.log('state.data:', state.data)
                }
            }
        },
        nextDirAdd: (state, action) => {
            console.log("dirMessage:nextDirAdd", state, action)
            // 获取当前选中的key
            let selectDirKey = action.payload.selectDirKey;
            // 便利文件树，找到对应的key并加入其中，
            // 如果包含下级目录则不更新，在刷新中更新。
            state.data.forEach(file => {
                if (file.filePath === selectDirKey && file.dirFlag && file.childList.length === 0) {
                    file.childList.push(action.payload.fileStateList[0].childList)
                } else if (file.childList.length > 0) {
                    findChild(file.childList, action, selectDirKey)
                }
            })
        }
    }
})

function findChild(fileList, action, selectDirKey) {
    fileList.forEach(file => {
        if (file.filePath === selectDirKey && file.dirFlag &&
            (isEmpty(file.childList) || (Array.isArray(file.childList) && file.childList.length === 0))) {
            file.childList = action.payload.fileStateList[0].childList
            return
        }
        if (file.dirFlag && Array.isArray(file.childList) && file.childList.length > 0) {
            findChild(file.childList, action, selectDirKey)
        }
    })
}

export const {
    dirAdd,
    nextDirAdd
} = dirMessageSlice.actions

export default dirMessageSlice.reducer