<template>
  <div class="container">
    <AddSession :modalObj="modalObj" @addSession="addSession"></AddSession>
    <a-card class="top-title">AI会话记录</a-card>
    <a-row :gutter="[5, 5]" style="margin-top: 3px">
      <a-col :span="4">
        <a-card>
              <a-select
                v-model="selectValue"
                :options="dialogs"
                :field-names="fieldNames"
                @change="dialogChange"
              >
              </a-select>
        </a-card>
        <a-card style="height: 50px">
          <template #cover>
            <div style="display: flex; justify-content: space-between">
              <a-button
                type="primary"
                shape="round"
                class="card-btn-1"
                @click="modalObj.add = true"
              >
                +新建会话
              </a-button>
              <a-button type="text" shape="circle" class="card-btn-2">
                <icon-search />
              </a-button>
            </div>
          </template>
        </a-card>
        <a-card class="left">
          <a-scrollbar
            class="left-list"
            style="
              height: calc(100vh - 160px);
              overflow-y: auto;
              overflow-x: hidden;
            "
          >
            <div
              class="item"
              v-for="session in sessionList"
              @click="querySessionDetail(session)"
              :class="{ isLeftActive: activeSessionId === session.id }"
            >
              <div class="text" :class="{ light: theme === 'dark' }">{{
                  session.name
                }}
              </div>
              <div class="time">{{
                  moment(new Date(session.create_time)).format(
                    "YYYY-MM-DD HH:mm:ss"
                  )
                }}
              </div>
            </div>
          </a-scrollbar>
        </a-card>
      </a-col>
      <a-col :span="15">
        <a-card class="center">
          <div v-if="sessionDetailList.length === 0">
            <div class="center-title">智能问答</div>
            <div class="center-content">
              我可以理解和学习人类的语言，具备多轮对话的能力，现在和我开始交流吧~
            </div>
            <div class="center-question">
              <div class="center-question-left">试一试这样问我</div>
              <div class="center-question-right">
                <a-button type="primary">换一换</a-button>
              </div>
            </div>
            <a-row justify="space-around" class="center-list">
              <a-col :span="7" class="item">
                <div class="item-title">
                  <IconTiktokColor></IconTiktokColor>
                  抖音带货脚本
                </div>
                <div class="item-content" :class="{ dark: theme === 'dark' }">
                  编写引人注目且具有说服力的、适用于产品的...
                </div>
              </a-col>
              <a-col :span="7" class="item">
                <div class="item-title">
                  <IconTiktokColor></IconTiktokColor>
                  抖音带货脚本
                </div>
                <div class="item-content" :class="{ dark: theme === 'dark' }">
                  编写引人注目且具有说服力的、适用于产品的...
                </div>
              </a-col>
              <a-col :span="7" class="item">
                <div class="item-title">
                  <IconTiktokColor></IconTiktokColor>
                  抖音带货脚本
                </div>
                <div class="item-content" :class="{ dark: theme === 'dark' }">
                  编写引人注目且具有说服力的、适用于产品的...
                </div>
              </a-col>
              <a-col :span="7" class="item">
                <div class="item-title">
                  <IconTiktokColor></IconTiktokColor>
                  抖音带货脚本
                </div>
                <div class="item-content" :class="{ dark: theme === 'dark' }">
                  编写引人注目且具有说服力的、适用于产品的...
                </div>
              </a-col>
              <a-col :span="7" class="item">
                <div class="item-title">
                  <IconTiktokColor></IconTiktokColor>
                  抖音带货脚本
                </div>
                <div class="item-content" :class="{ dark: theme === 'dark' }">
                  编写引人注目且具有说服力的、适用于产品的...
                </div>
              </a-col>
              <a-col :span="7" class="item">
                <div class="item-title">
                  <IconTiktokColor></IconTiktokColor>
                  抖音带货脚本
                </div>
                <div class="item-content" :class="{ dark: theme === 'dark' }">
                  编写引人注目且具有说服力的、适用于产品的...
                </div>
              </a-col>
            </a-row>
          </div>
          <a-scrollbar
            ref="scrollbar"
            id="home"
            v-else
            class="chat-list"
            style="width: 90%; overflow: auto; height: 60vh; margin: 0px auto"
          >
            <div class="chat-item" v-for="sessionDetail in sessionDetailList">
              <a-comment
                v-if="sessionDetail.role === 'user'"
                avatar="https://p1-arco.byteimg.com/tos-cn-i-uwbnlip3yd/3ee5f13fb09879ecb5185e440cef6eb9.png~tplv-uwbnlip3yd-webp.webp"
              >
                <template #content>
                  <div>{{
                      sessionDetail.content
                    }}
                  </div>
                </template>
              </a-comment>
              <a-comment
                v-else-if="sessionDetail.role === 'assistant'"
                avatar="https://p1-arco.byteimg.com/tos-cn-i-uwbnlip3yd/9eeb1800d9b78349b24682c3518ac4a3.png~tplv-uwbnlip3yd-webp.webp"
              >
                <template #content>
                  <a-card
                    class="chat-item-answer"
                    style="background-color: rgba(63, 64, 79, 1)"
                  >
                    <div :class="{ light: theme === 'light' }">{{
                        sessionDetail.content
                      }}
                    </div>
                  </a-card>
                </template>
              </a-comment>
              <a-comment
                v-else-if="sessionDetail.role === 'last'"
                avatar="https://p1-arco.byteimg.com/tos-cn-i-uwbnlip3yd/9eeb1800d9b78349b24682c3518ac4a3.png~tplv-uwbnlip3yd-webp.webp"
              >
                <template #content>
                  <a-textarea
                    readonly
                    auto-size
                    v-model="displayedText"
                    class="chat-item-answer"
                    style="background-color:rgba(192,172,172,0.88)"
                  >
                  </a-textarea>
                </template>
              </a-comment>
            </div>
          </a-scrollbar>

          <div class="center-bottom">
            <a-textarea
              v-model="inputMsg"
              @keydown.shift.enter="sendMessage"
              style="height: 180px"
              placeholder="输入您想了解的内容，Shift+Enter发送"
              :max-length="500"
              allow-clear
              show-word-limit
            >
            </a-textarea>
          </div>
        </a-card>
      </a-col>
      <a-col :span="5">
        <a-card class="right">
          <div class="right-top">
            <div class="right-title">数智库</div>
            <div class="right-btn">
              <a-button type="outline" shape="circle" style="border: none">
                <icon-search />
              </a-button>
              <a-button
                type="outline"
                shape="circle"
                style="border: none; margin-left: -10px"
              >
                <icon-close />
              </a-button>
            </div>
          </div>
          <div class="right-tag">
            <a-space>
              <a-button type="primary" shape="round" size="mini" class="btn"
              >全部
              </a-button
              >
              <a-button type="outline" shape="round" size="mini" class="btn"
              >文档创作
              </a-button
              >
              <a-button type="outline" shape="round" size="mini" class="btn"
              >知识学习
              </a-button
              >
            </a-space>
            <a-space style="margin-top: 10px">
              <a-button type="outline" shape="round" size="mini" class="btn"
              >效率提升
              </a-button
              >
            </a-space>
          </div>
          <div class="right-list">
            <div class="right-item">
              <div class="item-title">
                <IconTiktokColor></IconTiktokColor>
                抖音带货脚本
              </div>
              <div class="item-content" :class="{ dark: theme === 'dark' }">
                编写引人注目且具有说服力的、适用于产品的...
              </div>
            </div>
            <div class="right-item">
              <div class="item-title">
                <IconTiktokColor></IconTiktokColor>
                抖音带货脚本
              </div>
              <div class="item-content" :class="{ dark: theme === 'dark' }">
                编写引人注目且具有说服力的、适用于产品的...
              </div>
            </div>
            <div class="right-item">
              <div class="item-title">
                <IconTiktokColor></IconTiktokColor>
                抖音带货脚本
              </div>
              <div class="item-content" :class="{ dark: theme === 'dark' }">
                编写引人注目且具有说服力的、适用于产品的...
              </div>
            </div>
          </div>
        </a-card>
      </a-col>
    </a-row>
  </div>
</template>
<script setup lang="ts">
import { IconClose, IconSearch, IconTiktokColor } from "@arco-design/web-vue/es/icon";
import { useAppStore } from "@/store";
import { computed, nextTick, onMounted, reactive, ref } from "vue";
import { Message } from "@arco-design/web-vue";
import moment from "moment";
import AddSession from "@/views/session/sessionManager/components/addSession.vue";
import { chatApi, getDialogListApi, getSessionDetailsApi, sessionListApi } from "@/api/session";

const sessionDetailList = ref([]); //根据会话id出来的会话详情
const sessionList = ref([]); //会话列表
const modalObj = reactive({ add: false });

const currIndex = ref(0);
const displayedText = ref(""); // 正在显示的文字
let timer: number | null = null;
const streamStr = ref("");
const inputMsg = ref("");
const activeSessionId = ref("");
const fieldNames = { value: "id", label: "name" };
const dialogs = ref([]);
const selectValue = ref("");
const DialogList = async () => {
  const { code, data } = await getDialogListApi();
  if (code === 200) {
    if (data) {
      selectValue.value = data[0].id;
      dialogs.value = data;
      querySessionList()
    }
  }
};
const dialogChange = (value) => {
  querySessionList()
};
const sendMessage = async (event) => {
  event.preventDefault();
  if (!activeSessionId.value) {
    Message.warning("请选择会话");
    return;
  }
  if (inputMsg.value) {
    const { code, data } = await chatApi({
      conversation_id: activeSessionId.value,
      messages: inputMsg.value
    });
    const res = await getSessionDetailsApi(activeSessionId.value);
    if (res.code === 200) {
      sessionDetailList.value = res.data.message.map((item, index) => {
        if (index === res.data.message.length - 1) {
          item.role = "last";
          displayedText.value = "";
          currIndex.value = 0;
          streamStr.value = item.content;
          startDisplayStr();
        }
        return item;
      });
      refreshScroll();
    }
    inputMsg.value = "";
  } else {
    Message.warning("消息不能为空");
  }
};
const querySessionDetail = async (session) => {
  activeSessionId.value = session.id;
  const { code, data } = await getSessionDetailsApi(session.id);
  if (code === 200) {
    sessionDetailList.value = data.message;
    refreshScroll(); //刷新滚动条位置
  }
};
const scrollbar = ref(null);
const refreshScroll = () => {
  nextTick(() => {
    const container = document.getElementById("home");
    scrollbar.value.scrollTop(container.scrollHeight);
  });
};
// 查询会话列表
const querySessionList = async () => {
  const { code, data } = await sessionListApi(selectValue.value);
  if (code === 200) {
    sessionList.value = data;
  } else {
    Message.warning("查询失败");
  }
};
//新增会话之后刷新会话列表
const addSession = () => {
  querySessionList();
};
onMounted(() => {
  DialogList();
});
const appStore = useAppStore();
const theme = computed(() => {
  return appStore.theme;
});
//文字动态输出
const startDisplayStr = () => {
  if (timer) {
    clearTimeout(timer!);
  }
  const res = streamStr.value;
  // 将数组中的字符串拼接起来
  if (currIndex.value < res.length) {
    displayedText.value += res[currIndex.value];
    currIndex.value++;
    setTimeout(startDisplayStr, 100);
  } else {
    clearTimeout(timer!);
    timer = null;
  }
};
</script>
<style scoped lang="scss">
.isLeftActive {
  background-color: lightgrey;
}

.light {
  color: white !important;
}

.dark {
  color: gray !important;
}

.container {

.top-title {
  line-height: 60px;
  font-size: 25px;
  font-family: 黑体;
}

.center,
.right {
  box-sizing: border-box;
  height: calc(100vh - 100px);
}

.left {
  /* height: calc(100vh - 160px);
        overflow-y: auto;
        overflow-x: hidden;*/
  border: 0px;

.left-list {

.item {
  cursor: pointer;

.text,
.time {
  line-height: 30px;
}

.text {
  color: black;
  padding-left: 10px;
}

.time {
  color: gray;
  font-size: 12px;
  padding-left: 10px;
}

}
}
}
.card-btn-1 {
  margin: 10px;
  width: 75%;
}

.card-btn-2 {
  margin: 10px 10px;
}

.center {
  position: relative;

.center-title {
  line-height: 60px;
  font-size: 25px;
  font-family: 黑体;
  color: deepskyblue;
}

.center-content {
  font-size: 14px;
  color: gray;
}

.center-question {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;

.center-question-left {
  margin-top: 5px;
  margin-left: 20px;
}

.center-question-right {
  margin-right: 20px;
}

}
.center-list {
  margin-top: 10px;

.item {
  border-radius: 10px;
  margin-top: 10px;
  padding: 10px;
  height: 120px;
  background-color: lightcyan;

.item-title {
  text-align: center;
  line-height: 40px;
  font-size: 20px;
  font-family: 黑体;
  color: black;
}

}
}
.center-bottom {
  position: absolute;
  width: 90%;
  bottom: 20px;
  left: 5%;
}

}
.right {

.right-top {
  display: flex;
  justify-content: space-between;

.right-title {
  font-size: 25px;
  font-family: 黑体;
  color: black;
}

.right-btn {
  position: relative;
  left: 20px;
  top: 0px;
}

}
.right-tag {
  margin-top: 20px;
}

.right-list {

.right-item {
  border-radius: 10px;
  margin-top: 10px;
  padding: 10px;
  height: 120px;
  background-color: lightcyan;

.item-title {
  text-align: center;
  line-height: 40px;
  font-size: 20px;
  font-family: 黑体;
  color: black;
}

}
}
}
}
</style>
