/**
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import HiLog from '../utils/HiLog';
import common from '../data/commonData';
import ConversationListModel from '../model/ConversationListModel';
import ConversationService from './ConversationService';
import ContactService from './ContactsService';
import commonService from './CommonService';
import telephoneUtils from '../utils/TelephoneUtil';
import LooseObject from '../data/LooseObject'

const TAG = 'ConversationListService';

export default class ConversationListService {
    private static instance: ConversationListService;
    private conversationListModel: ConversationListModel = new ConversationListModel();

    private constructor() {
    }

    public static getInstance(): ConversationListService {
        if (ConversationListService.instance == null) {
            ConversationListService.instance = new ConversationListService();
        }
        return ConversationListService.instance;
    }

    public insertSession(valueBucket, callback, context): void {
        let mmsContext = context ? context : globalThis.mmsContext;
        if (globalThis.DataWorker != null) {
            globalThis.DataWorker.sendRequest(common.RUN_IN_WORKER_METHOD.insertSession, {
                valueBucket: valueBucket,
                context: mmsContext
            }, res => {
                if (callback) {
                    callback(res);
                }
            });
        } else {
            this.conversationListModel.insertSession(valueBucket, callback, mmsContext);
        }
        globalThis.needToUpdate = true;
    }

    public deleteSessionByCondition(actionData, callback, context): void {
        let mmsContext = context ? context : globalThis.mmsContext;
        if (globalThis.DataWorker != null) {
            globalThis.DataWorker.sendRequest(common.RUN_IN_WORKER_METHOD.deleteSessionByCondition, {
                actionData: actionData,
                context: mmsContext
            }, res => {
                if (callback) {
                    callback(res);
                }
            });
        } else {
            this.conversationListModel.deleteSessionByCondition(actionData, callback, mmsContext);
        }
        globalThis.needToUpdate = true;
    }

    public updateSessionByCondition(actionData, valueBucket, callback, context): void {
        let mmsContext = context ? context : globalThis.mmsContext;
        if (globalThis.DataWorker != null) {
            globalThis.DataWorker.sendRequest(common.RUN_IN_WORKER_METHOD.updateSessionByCondition, {
                actionData: actionData,
                valueBucket: valueBucket,
                context: mmsContext
            }, res => {
                if (callback) {
                    callback(res);
                }
            });
        } else {
            this.conversationListModel.updateSessionByCondition(actionData, valueBucket, callback, mmsContext);
        }
        globalThis.needToUpdate = true;
    }

    public querySessionByCondition(actionData, callback, context): void {
        let mmsContext = context ? context : globalThis.mmsContext;
        if (globalThis.DataWorker != null) {
            globalThis.DataWorker.sendRequest(common.RUN_IN_WORKER_METHOD.querySessionByCondition, {
                actionData: actionData,
                context: mmsContext
            }, res => {
                callback(res);
            });
        } else {
            this.conversationListModel.querySessionByCondition(actionData, callback, mmsContext);
        }
    }

    public querySessionSizeByCondition(actionData, callback, context): void {
        let mmsContext = context ? context : globalThis.mmsContext;
        if (globalThis.DataWorker != null) {
            globalThis.DataWorker.sendRequest(common.RUN_IN_WORKER_METHOD.querySessionSizeByCondition, {
                actionData: actionData,
                context: mmsContext
            }, res => {
                callback(res);
            });
        } else {
            this.conversationListModel.querySessionSizeByCondition(actionData, callback, mmsContext);
        }
    }

    public async getSessionListSize(actionData, context): Promise<number> {
        let condition: LooseObject = {};
        condition.smsType = actionData.smsType;
        let result: Promise<number> = new Promise((resolve) => {
            this.querySessionSizeByCondition(condition, res => {
                let size: number = 0;
                if (res.code == common.int.SUCCESS && res.abilityResult != null) {
                    size = res.abilityResult;
                }
                resolve(size);
            }, context);
        });
        return result;
    }

    public getSessionListResult(actionData, context): Promise<LooseObject> {
        let result: Promise<LooseObject> = new Promise((resolve) => {
            this.querySessionByCondition(actionData, res => {
                let result: LooseObject = {
                    'messageList': [],
                    'telephones': []
                };
                if (res.code == common.int.SUCCESS && res.abilityResult != null) {
                    result = this.getConvertSessionListResult(res.abilityResult);
                }
                resolve(result);
            }, context)
        });
        return result;
    }

    public isExistNoticeMessage(context): Promise<boolean> {
        let result: Promise<boolean> = new Promise((resolve) => {
            let actionData: LooseObject = {};
            actionData.smsType = common.sms_type.NOTICE;
            this.querySessionSizeByCondition(actionData, res => {
                let isExistNoticeMessage: boolean = false;
                if (res.code == common.int.SUCCESS && res.abilityResult != null && res.abilityResult > 0) {
                    isExistNoticeMessage = true;
                }
                resolve(isExistNoticeMessage);
            }, context);
        });
        return result;
    }

    public querySessionList(actionData, callback, context): void {
        let result: LooseObject = {};
        let queryPromise: Promise<LooseObject> = this.getSessionListResult(actionData, context);
        let countPromise: Promise<number> = this.getSessionListSize(actionData, context);
        let noticePromise: Promise<boolean> = this.isExistNoticeMessage(context);
        Promise.all([queryPromise, countPromise, noticePromise]).then(res => {
            result.code = common.int.SUCCESS;
            result.total = res[1];
            result.hasInfoMsg = res[2];
            result.response = [];
            HiLog.i(TAG, 'querySessionList, sessionList.length: ' + res[0].messageList.length + ', total=' +
            result.total + ', hasInfoMsg=' + result.hasInfoMsg);
            if (result.total > 0) {
                this.dealContactsName(res[0].telephones, actionData, res[0].messageList, res => {
                    result.response = res;
                    callback(result);
                }, context);
            } else {
                callback(result);
            }
        }).catch(error => {
            HiLog.e(TAG, 'querySessionList, error: ' + JSON.stringify(error));
            result.code = common.int.FAILURE;
            callback(result);
        });
    }

    private getConvertSessionListResult(sessionList): LooseObject {
        let result: LooseObject = {
            'messageList': [],
            'telephones': []
        };
        if (sessionList == null) {
            return result;
        }
        let messageList: Array<LooseObject> = [];
        let telephones: Array<LooseObject> = [];
        for (let session of sessionList) {
            let item: LooseObject = {};
            item.name = common.string.EMPTY_STR;
            item.contactsNum = session.contactsNum;
            item.content = session.content;
            item.countOfUnread = session.unreadCount;
            if (session.smsType == common.sms_type.COMMON) {
                item.icon = 'icon/user_avatar_full_fill.svg';
            } else {
                item.icon = 'icon/entrance_icon01.svg';
            }
            item.smsType = session.smsType;
            item.isCbChecked = false;
            item.isLock = false;
            item.sendingFailed = session.sendStatus == common.int.SEND_MESSAGE_FAILED ? true : false;
            item.telephone = session.telephone;
            if (item.contactsNum > 1) {
                let telephoneSplit = item.telephone.split(common.string.COMMA);
                for (let item of telephoneSplit) {
                    telephones.push(item);
                }
            } else {
                telephones.push(item.telephone);
            }
            item.telephoneFormat = session.telephoneFormat;
            item.threadId = session.id;
            item.timeMillisecond = session.time;
            item.isDraft = session.hasDraft == 1 ? true : false;
            item.isLock = session.hasLock == 1 ? true : false;
            item.time = common.string.EMPTY_STR;
            item.messageCount = session.messageCount;
            item.hasMms = session.hasMms == 1 ? true : false;
            item.hasAttachment = session.hasAttachment == 1 ? true : false;
            messageList.push(item);
        }
        result.messageList = messageList;
        result.telephones = telephones;
        return result;
    }

    private dealContactsName(telephones, actionData, sessionLists, callback, context) {
        if (telephones.length == 0) {
            HiLog.w(TAG, 'dealContactsName, has no telephones');
            callback(sessionLists);
            return;
        }
        actionData.telephones = telephones;
        actionData.hasDelete = '0';
        ContactService.getInstance().queryContactDataByCondition(actionData, res => {
            if (res.code == common.int.FAILURE || res.abilityResult.length == 0) {
                HiLog.w(TAG, 'dealContactsName, has no contacts');
                callback(sessionLists);
            } else {
                callback(this.buildSessionNames(res.abilityResult, sessionLists));
            }
        }, context);
    }

    private buildSessionNames(contacts, sessionLists) {
        let telephoneMap = new Map();
        for (let item of contacts) {
            if (item.displayName == common.string.EMPTY_STR) {
                telephoneMap.set(item.detailInfo, item.detailInfo);
            } else {
                telephoneMap.set(item.detailInfo, item.displayName);
            }
        }
        for (let session of sessionLists) {
            if (session.contactsNum > 1) {
                this.dealMultiName(session, telephoneMap);
            } else if (telephoneMap.has(session.telephone)) {
                session.name = telephoneMap.get(session.telephone);
            }
        }
        return sessionLists;
    }

    private dealMultiName(session, telephoneMap): void {
        let telephones: Array<string> = session.telephone.split(common.string.COMMA);
        let name: string = common.string.EMPTY_STR;
        for (let telephone of telephones) {
            if (telephoneMap.has(telephone)) {
                name = name + telephoneMap.get(telephone) + common.string.COMMA;
            } else {
                name = name + telephone + common.string.COMMA;
            }
        }
        session.name = name.substring(0, name.length - 1);
    }

    public statisticalData(callBack, context): void {
        let normalPromise = new Promise<LooseObject>((resolve) => {
            ConversationService.getInstance().statisticalData(res => {
                if (res.code == common.int.SUCCESS) {
                    resolve(res.abilityResult);
                } else {
                    HiLog.w(TAG, 'statisticalData, failed');
                }
            }, context);
        });
        let notifyPromise = new Promise<number>((resolve) => {
            ConversationService.getInstance().statisticsUnreadNotify(res => {
                resolve(res);
            }, context);
        });
        let result: LooseObject = {};
        Promise.all([normalPromise, notifyPromise]).then(res => {
            let normalResult: LooseObject = res[0];
            let notifyResult: number = res[1];
            result.code = common.int.SUCCESS;
            let response: LooseObject = {};
            response.totalListCount = normalResult.totalListCount;
            response.unreadCount = normalResult.totalListCount - notifyResult;
            response.unreadTotalOfInfo = notifyResult;
            result.response = response;
            callBack(result);
        }).catch(error => {
            HiLog.e(TAG, 'statisticalData, failed: ' + JSON.stringify(error));
            result.code = common.int.FAILURE;
            callBack(result);
        });
    }

    public deleteMessageById(actionData, callback, context): void {
        // Deletes data from the session list.
        this.deleteSessionByCondition(actionData, callback, context);
        // Deletes data from the information list.
        ConversationService.getInstance().deleteSmsMmsInfoByCondition(actionData, null, null);
    }

    public markAllToRead(actionData) {
        actionData.unreadCount_greaterThan = 0;
        let sessionValueBucket: LooseObject = {
            'unread_count': 0
        };
        this.updateSessionByCondition(actionData, sessionValueBucket, null, null);

        actionData.hasRead = common.is_read.UN_READ;
        let smsMmsInfoValueBucket: LooseObject = {
            'is_read': common.is_read.READ
        };
        ConversationService.getInstance().updateSmsMmsInfoByCondition(actionData, smsMmsInfoValueBucket, null, null);
    }

    /**
     * Adding a session draft list
     *
     * @param valueBucket New Data
     * @callback callback
     */
    public insertSessionDraft(actionData, callback, context): void {
        let param: LooseObject = this.dealSendResults(actionData);
        // Check whether a session list has been created
        this.querySessionByTelephone(param.telephone, res => {
            if (res.code == common.int.SUCCESS && res.response.id <= 0) {
                // If you modify the recipient in draft state and save the modification again, you need to delete the
                // unnecessary session draft before modification.
                if (actionData.threadId != 0 && actionData.isDraft) {
                    this.deleteSessionByCondition(actionData, null, null);
                }
                this.dealInsertSession(param, actionData, callback, context);
            } else {
                this.deleteDraftDataOrUpdate(actionData, res.response, param, callback, context);
            }
            globalThis.needToUpdate = true;
        }, context);
    }

    public dealInsertSession(param, actionData, callback, context): void {
        let valueBucket: LooseObject = {
            'telephone': param.telephone,
            'content': param.content,
            'contacts_num': param.contactsNum,
            'sms_type': param.smsType,
            'unread_count': 0,
            'sending_status': common.int.SEND_MESSAGE_SENDING,
            'has_draft': common.has_draft.HAVE,
            'time': param.timestamp,
            'has_mms': param.hasMms,
            'has_attachment': param.hasAttachment,
        }
        this.insertSession(valueBucket, sessionResult => {
            // Invoke the SMS database to insert SMS messages.
            let sessionId: number = sessionResult.abilityResult;
            ConversationService.getInstance().dealInsertMessageDetail(param, actionData, sessionId, res => {
                callback();
            }, context);
        }, context);
    }

    public deleteDraftDataOrUpdate(actionData, response, param, callback, context): void {
        if (actionData.groupId > 0) {
            ConversationService.getInstance().deleteSmsMmsInfoByCondition(actionData, null, null);
        }
        if (actionData.content != common.string.EMPTY_STR || actionData.mmsSource.length > 0) {
            // Save New Draft
            this.updateDraftData(response, param, actionData, callback, context);
        } else {
            if (callback) {
                callback();
            }
        }
    }

    public updateDraftData(response, param, actionData, callback, context): void {
        let valueBucket: LooseObject = {
            'content': param.content,
            'has_draft': common.has_draft.HAVE,
            'time': new Date().getTime(),
            'has_attachment': param.hasAttachment,
            'has_mms': param.hasMms,
        }
        if (response == undefined || response == null) {
            return
        }
        let sessionId: number = response.id;
        let condition: LooseObject = {};
        condition.threadId = sessionId;
        this.updateSessionByCondition(condition, valueBucket, null, null);
        ConversationService.getInstance().dealInsertMessageDetail(param, actionData, sessionId, res => {
            if (callback) {
                callback();
            }
        }, context);
    }

    public dealSendResults(actionData): LooseObject {
        let contactsNum: number = 1;
        let telephone: string = common.string.EMPTY_STR;
        if (actionData.isNewMsg) {
            let selectContacts = actionData.selectContacts;
            if (selectContacts.length > 1) {
                for (let contact of selectContacts) {
                    telephone = telephone + contact.telephone + common.string.COMMA;
                }
                // If it fails, then the session list turns out to be a failure.
                telephone = telephone.substring(0, telephone.length - 1);
                contactsNum = selectContacts.length;
            } else if (selectContacts.length == 1) {
                telephone = selectContacts[0]?.telephone;
            }
            let receiveContactValue = actionData.receiveContactValue;
            if (receiveContactValue != common.string.EMPTY_STR) {
                telephone = actionData.receiveContactValue;
            }
        } else {
            telephone = actionData.telephone;
        }
        let smsType: number = common.sms_type.COMMON;
        if (contactsNum == 1 && telephoneUtils.judgeIsInfoMsg(telephone)) {
            smsType = common.sms_type.NOTICE;
        }
        let sendResult: LooseObject = {
            telephone: telephone,
            content: actionData.content,
            sendStatus: common.int.SEND_DRAFT
        }
        actionData.sendResults = [sendResult];
        let timestamp = new Date().getTime();
        let result: LooseObject = {};
        result.contactsNum = contactsNum;
        result.telephone = telephoneUtils.dealTelephoneSort(telephone);
        result.content = actionData.content;
        if (actionData.isMms) {
            result.content = commonService.getMmsContent(actionData.mmsSource);
        }
        result.sendStatus = common.int.SEND_MESSAGE_SENDING;
        result.smsType = smsType;
        result.timestamp = timestamp;
        result.hasMms = actionData.isMms ? 1 : 0;
        result.hasAttachment = actionData.hasAttachment ? 1 : 0;

        return result;
    }

    public querySessionByTelephone(telephone, callback, context): void {
        let result: LooseObject = {};
        if (telephone == null) {
            HiLog.w(TAG, 'querySessionByTelephone, telephone is null!');
            result.code = common.int.FAILURE;
            callback(result);
        } else {
            HiLog.i(TAG, 'querySessionByTelephone, telephone != null');
            let actionData: LooseObject = {};
            actionData.telephone = telephone;
            this.querySessionByCondition(actionData, res => {
                if (res.code == common.int.FAILURE) {
                    callback(res);
                } else {
                    result.code = common.int.SUCCESS;
                    result.response = res.abilityResult[0];
                    callback(result);
                }
            }, context);
        }
    }

    public dealMessageLockContent(actionData, callback, context): void {
        let threadIds = actionData.threadIds;
        let length: number = threadIds.length;
        let count: number = 0;
        for (let id of threadIds) {
            actionData.threadId = id;
            if (!actionData.isMessageDetail) {
                actionData.hasLock = 1;
            }
            ConversationService.getInstance().queryMessageDetail(actionData, res => {
                if (res.code == common.int.SUCCESS && res.response.length > 0) {
                    count++;
                    actionData.mmsList = res.response;
                    this.updateLastItemContent(actionData, null, null);
                }
                if (count == length) {
                    callback(common.int.SUCCESS);
                }
            }, context);
        }
    }

    public updateLastItemContent(actionData, callback, context): void {
        let valueBucket: LooseObject = {
            'content': common.string.EMPTY_STR,
            'sending_status': common.int.SEND_MESSAGE_FAILED,
            'has_mms': common.has_mms.NO,
            'has_attachment': common.has_attachment.NO,
            'message_count': 0,
            'unread_count': 0
        };
        let length: number = actionData.mmsList.length;
        if (length > 0) {
            let item: LooseObject = actionData.mmsList[length - 1];
            valueBucket.content = item.isMsm ? commonService.getMmsContent(item.mms) : item.content;
            valueBucket.sending_status = item.sendStatus;
            valueBucket.has_mms = item.isMsm ? common.has_mms.HAVE : common.has_mms.NO;
            valueBucket.has_attachment = item.isMsm ? common.has_attachment.HAVE : common.has_attachment.NO;
            valueBucket.message_count = length;
        }
        let condition: LooseObject = {
            threadId: actionData.threadId
        };
        this.updateSessionByCondition(condition, valueBucket, callback, context);
    }
}