<template>
  <div class="markets-pair-list exchange-store bg-plain">
    <div class="nav nav-pills" style="align-items: center;width:180px;" v-if="0">
      <div class="nav-item" :class="{ active: tab == 1 }">
        <a class="nav-link" :class="{ active: tab == 1 }" @click="tab = 1">{{
          $t("contract.d5")
        }}</a>
      </div>
      <div class="nav-item">
        <a class="nav-link" :class="{ active: tab == 2 }" @click="tab = 2">{{
          $t("contract.d6")
        }}</a>
      </div>
      <div class="flex-fill d-flex align-items-center">
        <el-popover
          placement="bottom"
          width="100"
          v-model="visible"
          trigger="manual"
        >
          <div
            class="rounded border p-1 bg-black pointer"
            slot="reference" style="color: #999;"
            @click="visible = !visible"
          >
            {{ $t("contract.b0") }}
            <span class="fn-16"> {{ form.lever_rate }}X </span>
            <i class="el-icon-edit text-primary"></i>
          </div>
          <div class="list">
            <div
              class="el-select-dropdown__item"
              @click="
                selectLever(item);
                visible = false;
              "
              v-for="item in lever_rage"
              :key="item"
            >
              {{ item }}X
            </div>
          </div>
        </el-popover>
      </div>
    </div>

    <div class="content-box">
      <div class="nav nav-pills">
        <div class="nav-item" :class="{ active: form.type == 2 }" @click="form.type = 2">
          <a style="display:block;padding:5px 0px;">
            {{ $t("contract.d9") }}
          </a>
        </div>
        <div class="nav-item" :class="{ active: form.type == 1 }" @click="form.type = 1">
          <a style="display:block;padding:5px 0px;">
            {{ $t("contract.e0") }}
          </a>
        </div>
      </div>
      <div class="d-flex align-items-center" style="flex-shrink:0;margin-left:20px;">
        <el-popover
          placement="bottom"
          width="100"
          v-model="visible"
          trigger="manual"
        >
          <div
            class="rounded border p-1 bg-black pointer"
            slot="reference" style="color: #999;"
            @click="visible = !visible"
          >
            {{ $t("contract.b0") }}
            <span class="fn-16"> {{ form.lever_rate }}X </span>
            <i class="el-icon-edit text-primary"></i>
          </div>
          <div class="list">
            <div
              class="el-select-dropdown__item"
              @click="
                selectLever(item);
                visible = false;
              "
              v-for="item in lever_rage"
              :key="item"
            >
              {{ item }}X
            </div>
          </div>
        </el-popover>
      </div>
    </div>
    <div class="ex-s-p-c">
      <!-- 买入 -->
      <div style="width:47%;">
        <div class="usable-box-A">
          <span>{{ $t("contract.a3") }}</span>
          <span style="color: #444;"> {{ accountInfo.usable_balance }} USDT
            <i
              class="el-icon-sort"
              @click="$router.push('/wallet/assets/exchange')"
            ></i>
          </span>
        </div>
        <div class="input-group-a">
          <template v-if="form.type == 1">
            <div class="form-control-A">{{ $t('contract.d8') }}</div>
            <input
              type="number"
              v-model="form.entrust_price_buy"
              class="form-control"
              :placeholder="$t('contract.d8')"
            />
            <div class="form-control-B">USDT</div>
          </template>
          <template v-if="form.type == 2">
            <div class="form-control-A">{{ $t('contract.d8') }}</div>
            <input
              type="text"
              disabled
              :value="$t('contract.d9')"
              class="form-control"
              placeholder=""
            />
          </template>
        </div>
        <div class="input-group-a">
          <div class="form-control-A">{{ $t("contract.l2") }}</div>
          <input
              type="number"
              class="form-control"
              v-model="margin_buy"
              :placeholder="tips"
          />
        </div>
        <div>
          <div class="px-2" v-if="this.tab == 1">
            <el-slider
                :value="activeStep_buy"
                @input="sliderChange($event, 'buy')"
                :format-tooltip="tooltip"
                :marks="marks"
            ></el-slider>
            <!-- :step="25" -->
          </div>
          <!-- 开仓 -->
          <div v-if="tab == 1" class="kaicang">
            <div class="d-flex justify-content-between mb-3" style="color: #999;">
                <div>{{ $t("contract.e1") }}：</div>
                <!-- {{$t("contract.e2")}} -->
                <div>{{ amount_buy }}</div>
            </div>
            <!-- <div class="d-flex justify-content-between mb-4">
              <div>{{ $t("contract.a3") }}:</div>
              <div>
                {{ accountInfo.usable_balance }} USDT
                <i
                  class="el-icon-sort"
                  @click="$router.push('/wallet/assets/exchange')"
                ></i>
              </div>
            </div> -->
          </div>
          <!-- 平仓 -->
          <div v-if="tab == 2">
            <div class="d-flex justify-content-between">
              <div>{{ $t("contract.e4") }}：</div>
              <div>{{ multiplePositions }} {{ $t("contract.e2") }}</div>
            </div>
            <div class="d-flex justify-content-between mb-4">
              <div>{{ $t("contract.e5") }}:</div>
              <div>{{ shortPosition }} {{ $t("contract.e2") }}</div>
            </div>
          </div>
        </div>
        <div class="d-flex justify-content-between">
          <div class="input-group-a" style="width:49%;">
            <input
                type="number"
                class="form-control"
                v-model="form.tp_trigger_price_buy"
                :placeholder="$t('contract.i7')"
                style="text-align:left;"
            />
            <div class="form-control-B">USDT</div>
          </div>
          <div class="input-group-a" style="width:49%;">
            <input
                type="number"
                class="form-control"
                v-model="form.sl_trigger_price_buy"
                :placeholder="$t('contract.i8')"
                style="text-align:left;"
            />
            <div class="form-control-B">USDT</div>
          </div>
        </div>
        <div class="px-2 flex-fill">
          <button
            @click="ifOpenPosition(1)"
            type="button"
            class="sub w-24/24 btn-success btn btn-sm mb-2"
          >
            {{ $t("contract.d0") }}
            <!-- <span class="fn-12"> （{{ $t("contract.e6") }}） </span> -->
          </button>
          <div class="text-left" style="white-space: nowrap; color: #999;">
            {{ $t("contract.e7") }} {{ maxNum }}
            <!-- {{ $t("contract.e2") }} -->
          </div>
        </div>
      </div>
      <!-- 卖出 -->
      <div style="width:47%;">
        <div class="usable-box-A">
          <span>{{ $t("contract.a3") }}</span>
          <span style="color: #444;"> {{ accountInfo.usable_balance }} USDT
            <i
              class="el-icon-sort"
              @click="$router.push('/wallet/assets/exchange')"
            ></i>
          </span>
        </div>
        <div class="input-group-a">
          <template v-if="form.type == 1">
            <div class="form-control-A">{{ $t('contract.d8') }}</div>
            <input
              type="number"
              v-model="form.entrust_price_sell"
              class="form-control"
              :placeholder="$t('contract.d8')"
            />
            <div class="form-control-B">USDT</div>
          </template>
          <template v-if="form.type == 2">
            <div class="form-control-A">{{ $t('contract.d8') }}</div>
            <input
              type="text"
              disabled
              :value="$t('contract.d9')"
              class="form-control"
              placeholder=""
            />
          </template>
        </div>
        <div class="input-group-a">
          <div class="form-control-A">{{ $t("contract.l2") }}</div>
          <input
              type="number"
              class="form-control"
              v-model="margin_sell"
              :placeholder="tips"
          />
        </div>
        <div>
          <div class="px-2" v-if="this.tab == 1">
            <el-slider
                :value="activeStep_sell"
                @input="sliderChange($event, 'sell')"
                :format-tooltip="tooltip"
                :marks="marks"
            ></el-slider>
            <!-- :step="25" -->
          </div>
          <!-- 开仓 -->
          <div v-if="tab == 1" class="kaicang">
            <div class="d-flex justify-content-between mb-3" style="color: #999;">
                <div>{{ $t("contract.e1") }}：</div>
                <!-- {{$t("contract.e2")}} -->
                <div>{{ amount_sell }}</div>
            </div>
            <!-- <div class="d-flex justify-content-between mb-4">
              <div>{{ $t("contract.a3") }}:</div>
              <div>
                {{ accountInfo.usable_balance }} USDT
                <i
                  class="el-icon-sort"
                  @click="$router.push('/wallet/assets/exchange')"
                ></i>
              </div>
            </div> -->
          </div>
          <!-- 平仓 -->
          <div v-if="tab == 2">
            <div class="d-flex justify-content-between">
              <div>{{ $t("contract.e4") }}：</div>
              <div>{{ multiplePositions }} {{ $t("contract.e2") }}</div>
            </div>
            <div class="d-flex justify-content-between mb-4">
              <div>{{ $t("contract.e5") }}:</div>
              <div>{{ shortPosition }} {{ $t("contract.e2") }}</div>
            </div>
          </div>
        </div>
        <div class="d-flex justify-content-between">
          <div class="input-group-a" style="width:49%;">
            <input
                type="number"
                class="form-control"
                v-model="form.tp_trigger_price_sell"
                :placeholder="$t('contract.i7')"
                style="text-align:left;"
            />
            <div class="form-control-B">USDT</div>
          </div>
          <div class="input-group-a" style="width:49%;">
            <input
                type="number"
                class="form-control"
                v-model="form.sl_trigger_price_sell"
                :placeholder="$t('contract.i8')"
                style="text-align:left;"
            />
            <div class="form-control-B">USDT</div>
          </div>
        </div>
        <div class="px-2 flex-fill">
          <button
            @click="ifOpenPosition(2)"
            type="button"
            class="sub w-24/24 btn-danger btn btn-sm mb-2"
          >
            {{ $t("contract.d2") }}
            <!-- <span class="fn-12"> （{{ $t("contract.e8") }}） </span> -->
          </button>
          <!-- <div class="text-center"> -->
          <div class="text-left" style="white-space: nowrap; color: #999;">
            {{ $t("contract.e7") }} {{ maxNum }}
            <!-- {{ $t("contract.e2") }} -->
          </div>
        </div>
      </div>
    </div>

    <div class="content-box" v-if="0">
      
      <div class="line-A"></div>
      <div v-if="type == 2" class="input-group my-4 input-group-sm">
        <div class="input-group-prepend">
          <span class="input-group-text">{{ $t("contract.d7") }}</span>
        </div>
        <input type="number" class="form-control" placeholder="" />
        <div class="input-group-append">
          <span class="input-group-text">USDT</span>
        </div>
      </div>
      <div>
        
        
      </div>
      <div class="line-A"></div>
      
      <div class="line-A"></div>
      
      <div class="line-A"></div>
      <div class="exchange_button" v-if="tab == 1" style="color: #999;">
        
        
      </div>
      <div class="" v-if="tab == 2">
        <div class="px-2 flex-fill mb-4">
          <button
            @click="ifOpenPosition(1)"
            type="button"
            class="sub w-24/24 btn-success  btn btn-sm"
          >
            {{ $t("contract.d3") }}
          </button>
          <div class="text-center">
            {{ $t("contract.e9") }} {{ canMore }} {{ $t("contract.e2") }}
          </div>
        </div>
        <div class="px-2 flex-fill">
          <button
            @click="ifOpenPosition(2)"
            type="button"
            class="sub w-24/24 btn-danger btn btn-sm"
          >
            {{ $t("contract.d1") }}
          </button>
          <div class="text-center">
            {{ $t("contract.e9") }} {{ canEmpty }} {{ $t("contract.e2") }}
          </div>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import Contract from "@/api/contract.js";
import date from "@/utils/class/date.js";
import math from "@/utils/class/math.js";
export default {
  data() {
    return {
      tab: 1,
      type: 1,
      visible: false,
      form: {
        // 1:限价 2:市价
        type: 2,
        entrust_price: undefined,
        entrust_price_buy: undefined,
        entrust_price_sell: undefined,
        amount:"",
        amount_buy:"",
        amount_sell:"",
        lever_rate: "",
        sl_trigger_price_sell:'',//止损
        sl_trigger_price_buy:'',//止损
        tp_trigger_price_sell:'',//止盈
        tp_trigger_price_buy:'',//止盈
      },
        // 最多可开张数
        maxNum: 0,
        lever_rage: [],
        accountInfo: {},
        _time: null,
        unit_amount:0,
        marks:{
            25:'',
            50:'',
            75:''
        },
        margin:0,
        margin_buy:0,
        margin_sell:0,
    };
  },
  props: {
    symbol: {
      default: "",
      type: String,
      required: false
    },
    holdPositionList: {
      default: () => [],
      type: Array,
      required: false
    },
    defaultPrice: {
      default: "",
      type: String | Number,
      required: false
    },
    newPriceObj: {
      default: () => {},
      type: Object,
      required: false
    },
    contractOpen: {}
  },
  watch: {
    symbol() {
      this.form.entrust_price = undefined;
      this.form.entrust_price_sell = undefined;
      this.form.entrust_price_buy = undefined;
      this.contractAccount();
      this.getSymbolDetail();
    },
    defaultPrice(n) {
      this.form.entrust_price = n;
      this.form.entrust_price_sell = n;
      this.form.entrust_price_buy = n;
    },
    newPriceObj(n) {
      if (n && this.form.entrust_price_sell === undefined) {
        this.form.entrust_price_sell = n.price;
      }
      if (n && this.form.entrust_price_buy === undefined) {
        this.form.entrust_price_buy = n.price;
      }
    },
    contractOpen(n, o) {
      if (n != o) {
        this.contractAccount();
      }
    }
  },
  destroyed() {
    clearInterval(this._time);
  },
  mounted() {
    if (this.symbol) {
      this.contractAccount();

      this.getSymbolDetail();
    }
    this._time = setInterval(() => {
      if (this.symbol) {
        // if (this.contractOpen) {
          this.contractAccount(true);
        // }
      }
    }, 3000);
  },
  computed: {
    tips(){
        // return this.unit_amount?(`${this.unit_amount}USDT`):''
        return this.unit_amount?(`USDT`):''
    },
    isLogin() {
      return Boolean(localStorage.token);
    },
    // 多仓持仓
    multiplePositions() {
      let item = this.holdPositionList.find(item => item.side == 1);
      if (!item) return 0;
      return item.hold_position;
    },
    // 可平多
    canMore() {
      let item = this.holdPositionList.find(item => item.side == 1);
      if (!item) return 0;
      return item.avail_position;
    },
    // 空仓持仓
    shortPosition() {
      let item = this.holdPositionList.find(item => item.side == 2);
      if (!item) return 0;
      return item.hold_position;
    },
    // 可以平空
    canEmpty() {
      let item = this.holdPositionList.find(item => item.side == 2);
      if (!item) return 0;
      return item.avail_position;
    },
    activeStep_buy() {
      if (!this.form.amount_buy || !this.maxNum) return 0;
      let num = (this.form.amount_buy / this.maxNum) * 100;
      return num;
    },
    activeStep_sell() {
      if (!this.form.amount_sell || !this.maxNum) return 0;
      let num = (this.form.amount_sell / this.maxNum) * 100;
      return num;
    },
    // 保证金
    // margin() {
    //     if (!this.form.lever_rate) return '';
    //     return math.omitTo(this.form.amount*this.unit_amount / this.form.lever_rate, 4);
    // },
    amount_buy(){
        console.info(this.form.lever_rate)
        console.info(this.margin_buy)
        if (!this.form.lever_rate || !this.margin_buy) return 0;
        // let p=this.margin_buy*this.form.lever_rate;
        let p=this.margin_buy;

        this.form.amount_buy=p;
        return p
    },
    amount_sell(){
        console.info(this.form.lever_rate)
        console.info(this.margin_sell)
        if (!this.form.lever_rate || !this.margin_sell) return 0;
        // let p=this.margin_sell*this.form.lever_rate;
        let p=this.margin_sell;

        this.form.amount_sell=p;
        return p
    }
  },
  methods: {
    // 获取合约账户信息
    contractAccount(boo) {
      if (!this.isLogin) return;
      // if (!this.contractOpen) return;
      let data = {
        symbol: this.symbol
      };
      Contract.contractAccount(data).then(res => {
        this.accountInfo = res;
        this.$emit("accountInfo", res);
        if (!this.form.lever_rate) {
          this.form.lever_rate = res.lever_rate;
        }
        if (this.form.lever_rate && !boo) {
          this.openNum();
        }
      });
    },
    // 获取可开启张数
    openNum() {
      if (!this.isLogin) return;
      let data = {
        symbol: this.symbol, //ETH
        lever_rate: this.form.lever_rate //10
      };
      Contract.openNum(data).then(res => {
        this.maxNum = res;
      });
    },
    // 获取合约详情
    getSymbolDetail() {
      let data = {
        symbol: this.symbol
      };
      Contract.getSymbolDetail(data).then(res => {
        this.lever_rage = res.lever_rage;
        this.unit_amount = res.unit_amount
        this.$emit('getSymbolDetail',res)
        if (!this.form.lever_rate) {
          this.form.lever_rate = res.default_lever;
        }
      });
    },
    // 设置数量
    sliderChange($ev, operate) {
      
      if(operate=='sell'){
        this.form.amount_sell = Math.round((this.maxNum * $ev) / 100)||'';
        console.info(this.form)
        this.margin_sell=this.form.amount_sell/this.form.lever_rate || 0
      }else if (operate == 'buy'){
        this.form.amount_buy = Math.round((this.maxNum * $ev) / 100)||'';
        console.info(this.form)
        this.margin_buy=this.form.amount_buy/this.form.lever_rate || 0
      }
    },
    // 选择杠杆
    selectLever(idx) {
      this.form.lever_rate = idx;
      this.openNum();
    },
    tooltip($ev) {
      return Math.round($ev) + "%";
    },
    // 提示
    ifOpenPosition(side) {
        if (this.tab == 1) {
            this.openPosition(side);
        } else {
            this.closePosition(side);
        }

        // let typeStr =
        //     this.form.type == 1
        //     ? `${this.form.entrust_price}${this.$t("contract.f0")}`
        //     : this.$t("contract.d9");
        // let decStr =
        //     this.tab == 1
        //     ? `${this.$t("contract.d5")}${this.form.amount}${this.$t(
        //         "contract.e2"
        //         )}${side == 1 ? this.$t("contract.f1") : this.$t("contract.f2")}`
        //     : `${this.$t("contract.d6")}${this.form.amount}${this.$t(
        //         "contract.e2"
        //         )}`;


            //  `${this.$t("contract.f3")}${typeStr}${this.form.lever_rate}${this.$t(
            // "contract.f4"
            // )}${decStr}?`
        // this.$confirm(
        //     `${this.$t("contract.f3")}${typeStr}${this.form.lever_rate}
        //     ${this.$t("contract.f4")}${this.$t("contract.d5")}?`
        // )
        //     .then(res => {
        //     if (this.tab == 1) {
        //         this.openPosition(side);
        //     } else {
        //         this.closePosition(side);
        //     }
        //     })
        //     .catch(res => {});
    },
    // 开仓
    openPosition(side) {
      // side ,1--buy,2--sell
      let data = {
        // side,
        // symbol: this.symbol,
        // ...this.form
      };
      if(side==1){
        data = {
          amount: this.form.amount_buy,
          entrust_price: this.form.entrust_price_buy,
          lever_rate: this.form.lever_rate,
          side: 1,
          symbol: this.symbol,
          type: this.form.type,
          sl_trigger_price: this.form.sl_trigger_price_buy,//止损
          tp_trigger_price: this.form.tp_trigger_price_buy,//止盈
        }
      }else if(side==2){
        data = {
          amount: this.form.amount_sell,
          entrust_price: this.form.entrust_price_sell,
          lever_rate: this.form.lever_rate,
          side: 2,
          symbol: this.symbol,
          type: this.form.type,
          sl_trigger_price: this.form.sl_trigger_price_sell,//止损
          tp_trigger_price: this.form.tp_trigger_price_sell,//止盈
        }
      }
      if(this.form.type==2){
        // data.entrust_price = this.margin;
        data.entrust_price = this.newPriceObj.price;
        if(side==1){
          data.amount = this.amount_buy;
        }else if(side==2){
          data.amount = this.amount_sell;
        }
        
      }
      console.log(this.margin, '保证金')
      console.log(data, 111111, this.newPriceObj.price);
      Contract.openPosition(data).then(() => {
        this.contractAccount();
        this.form.amount = 0;
        this.form.amount_buy = 0;
        this.form.amount_sell = 0;
        this.form.sl_trigger_price_sell = 0;
        this.form.sl_trigger_price_buy = 0;
        this.form.tp_trigger_price_sell = 0;
        this.form.tp_trigger_price_buy = 0;
        this.$message.success(this.$t("contract.f5"));
        this.$emit("position");
      });
    },
    // 平仓
    closePosition(side) {
      let data = {
        side: side == 1 ? 2 : 1,
        type: this.form.type,
        symbol: this.symbol,
        entrust_price: this.form.entrust_price || 0,
        amount: this.form.amount
      };
      Contract.closePosition(data).then(() => {
        this.form.amount = "";
        this.contractAccount();
        this.$message.success(this.$t("contract.f6"));
        this.$emit("position");
      });
    }
  }
};
</script>
<style scoped="scoped">
    .exchange_button{
        display: flex;
        font-size: 16px !important;
    }
    .btn,.kaicang{
        font-size: 0.9rem;
    }
    /* /deep/ .el-slider__stop{
        background-color: ;
    } */
    .markets-pair-list{
      padding: 5px 12px;
    }
    .content-box{
      display: flex;
      align-items: center;
    }
    .nav-item{
      padding: 4px 19px;
      text-align-last: center;
      background-color: #FFF;
      border-radius: 3px;
      margin-right: 10px;
      cursor: pointer;
    }
    .nav-item.active{
      background-color: #F7D558;
    }
    .nav-item a{
      color: #333 !important;
    }
    .ex-s-p-c{
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 0px;
    }
    .usable-box-A{
      color: #666;
      white-space: nowrap;
      margin-bottom: 10px;
      display: flex;
      justify-content: space-between;
    }
    .ex-s-p-c .input-group-a {
      position: relative;
      display: -ms-flexbox;
      display: flex;
      -ms-flex-align: center;
      align-items: center;
      justify-content: space-between;
      background-color: #fafafa;
      margin-bottom: 10px;
    }
    .form-control{
      border: none;
      font-size: 14px;
      text-align: right;
      flex: 1;
      color: #000;
    }
    .form-control-A{
      color: #666;
      text-align: center;
      padding: 0px 10px;
    }
    .form-control-B{
      color: #000;
      text-align: center;
      padding: 0px 10px;
    }
    .btn-success{
      background-color: #9ED889;
      background-image: none;
      padding: 10px;
    }
    .btn-danger{
      background-color: #D5444E;
      background-image: none;
      padding: 10px;
    }
    .line-A{
      width: 1px;
      height: 40px;
      background-color: #f5f5f5;
      margin: 0px 10px;
    }
</style>
