'use strict';

const Service = require('egg').Service;

class CarService extends Service {

  // mode 分为4种  0代表0-60  1代表60-75  2代表75-90  3代表90-100
  // modeKey 分为 driving_safety_score  energyConservationScore
  async listWithDrive({ pageNumber = 1, pageSize = 10, startTime, endTime, mode, modeKey = 'driving_safety_score' }) {
    const { ctx } = this;
    let cond = {};
    const driveCond = [{ $match: {} }];
    if (mode) {
      driveCond[0].$match.score = ctx.helper.scoreDict[mode];
    }
    let project = {};
    if (modeKey == 'driving_safety_score') {
      cond = { driving_safety_score: { $exists: true } };
      project = { ...ctx.helper.drivingSafetyScoreProject,
        vin: 1, series_code: '$car.series_code', series_name: '$car.series_name',
        model_code: '$car.model_code', model_name: '$car.model_name',
        user_real_name: '$user.user_real_name',
      };
    } else if (modeKey == 'energyConservationScore') {
      cond = { energy_conservation_score: { $exists: true } };
      project = { ...ctx.helper.energyConservationScoreProject,
        vin: 1, series_code: '$car.series_code', series_name: '$car.series_name',
        model_code: '$car.model_code', model_name: '$car.model_name',
        user_real_name: '$user.user_real_name',
      };
    }
    const agg = [
      { $match: { ...this.ctx.helper.getTimeRangMatch(startTime, endTime, 'start_time'), ...cond } },
      { $addFields: { score: { $toDouble: `$${modeKey}` } } },
      ...driveCond,
    ];
    const lookups = [
      { $lookup: { from: 't_vehicle_record', localField: 'vin', foreignField: 'vin', as: 'car' } },
      { $unwind: { path: '$car', preserveNullAndEmptyArrays: true } },
      { $lookup: { from: 't_rbac_user', localField: 'car.user_id', foreignField: 'user_id', as: 'user' } },
      { $unwind: { path: '$user', preserveNullAndEmptyArrays: true } },
      { $project: project },
    ];
    const list = await ctx.model.DrivingBehaviorInfoModel.aggregate(
      [ ...agg, ...ctx.helper.getPageMongo(pageNumber, pageSize), ...lookups,
      ]);
    const result = await ctx.model.DrivingBehaviorInfoModel.aggregateNGroup(
      [ ...agg, { $count: 'total' }]);
    const total = result.total || 0;
    return { list, total };
  }

  async listWithTravel({ vin, startTime, endTime, pageNumber = 1, pageSize = 10 }) {
    const { ctx } = this;
    const agg = [
      { $match: { start_time: { $gte: startTime, $lt: endTime }, vin } },
      { $unwind: '$mileage_list' },
      { $replaceRoot: { newRoot: '$mileage_list' } },
    ];
    const list = await ctx.model.DrivingBehaviorInfoModel.aggregate([ ...agg, ...ctx.helper.getPageMongo(pageNumber, pageSize) ]);
    const result = await ctx.model.DrivingBehaviorInfoModel.aggregateNGroup(
      [ ...agg, { $count: 'total' }]);
    const total = result.total || 0;
    return { list, total };
  }

  async listWithCharging(param) {
    const { service } = this;
    return await service.otherService.chargingCycle(param);
  }

  async indexTrip({ vin, startTime, endTime }) {
    const { ctx } = this;
    const agg = [
      { $match: { start_time: { $gte: startTime, $lt: endTime }, vin } },
      { $unwind: '$mileage_list' },
      { $group: { _id: { $hour: { $toDate: '$mileage_list.start_time' } },
        dsmCount: { $sum: { $cond: [{ $eq: [ '$mileage_list.dsm_status', '1' ] }, 1, 0 ] } },
        count: { $sum: 1 },
      } },
    ];
    return await ctx.model.DrivingBehaviorInfoModel.aggregate(agg);
  }

  async indexSingle({ startTime, endTime, vin }) {
    const { ctx } = this;
    const agg = [
      { $match: { start_time: { $gte: startTime, $lt: endTime }, vin } },
      { $addFields: {
        week: { $dayOfWeek: { date: { $toDate: '$start_time' }, timezone: 'Asia/Shanghai' } },
      } },
      { $group: { _id: null,
        avg_speed: { $avg: { $toDouble: '$avg_speed' } },
        mileage: { $sum: { $toDouble: '$mileage' } },
        work_mileage: { $sum: {
          $cond: [{ $in: [ '$week', [ 2, 3, 4, 5, 6 ]] }, { $toDouble: '$mileage' }, 0 ],
        } },
        week_mileage: { $sum: {
          $cond: [{ $in: [ '$week', [ 1, 7 ]] }, { $toDouble: '$mileage' }, 0 ],
        } },
        drive_duration: { $sum: { $toDouble: '$drive_duration' } },
        work_drive_duration: { $sum: {
          $cond: [{ $in: [ '$week', [ 2, 3, 4, 5, 6 ]] }, { $toDouble: '$drive_duration' }, 0 ],
        } },
        week_drive_duration: { $sum: {
          $cond: [{ $in: [ '$week', [ 1, 7 ]] }, { $toDouble: '$drive_duration' }, 0 ],
        } },
        mileage_cnt: { $sum: { $toDouble: '$mileage_cnt' } },
        work_mileage_cnt: { $sum: {
          $cond: [{ $in: [ '$week', [ 2, 3, 4, 5, 6 ]] }, { $toDouble: '$mileage_cnt' }, 0 ],
        } },
        week_mileage_cnt: { $sum: {
          $cond: [{ $in: [ '$week', [ 1, 7 ]] }, { $toDouble: '$mileage_cnt' }, 0 ],
        } },
      } },
    ];
    const result = await ctx.model.DrivingBehaviorInfoModel.aggregateNGroup(agg);
    return Object.assign({ avg_speed: 0, mileage: 0, work_mileage: 0, week_mileage: 0,
      drive_duration: 0, work_drive_duration: 0, week_drive_duration: 0,
      mileage_cnt: 0, work_mileage_cnt: 0, week_mileage_cnt: 0 }, result);
  }

  async list({ pageNumber = 1, pageSize = 10, seriesCode, modelCode, vin }) {
    const { ctx } = this;
    const cond = { };

    if (seriesCode) {
      cond.series_code = seriesCode;
    }
    if (modelCode) {
      cond.model_code = modelCode;
    }
    if (vin) {
      cond.vin = vin;
    }
    const agg = [
      { $match: cond },
      ...ctx.helper.getPageMongo(pageNumber, pageSize),
    ];
    const list = await ctx.model.TVehicleRecordModel.aggregate(agg);
    const total = await ctx.model.TVehicleRecordModel.find(cond).countDocuments();
    return { list, total };
  }

  async tbox({ pageNumber = 1, pageSize = 10, startTime, endTime }) {
    const { ctx } = this;
    const agg = [
      { $match: ctx.helper.getTimeRangMatch(startTime, endTime, 'online_time') },
      ...ctx.helper.getPageMongo(pageNumber, pageSize),
    ];
    const list = await ctx.model.TBoxOnlineModel.aggregate(agg);
    const total = await ctx.model.TBoxOnlineModel.find(ctx.helper.getTimeRangMatch(startTime, endTime, 'online_time')).countDocuments();
    return { list, total };
  }


}

module.exports = CarService;