<template>
  <div class="createPost-container">
    <el-form class="form-container" :model="postForm" :rules="rules" ref="postForm">

      <Sticky :className="'sub-navbar '+postForm.status">
        <template v-if="fetchSuccess">
          <div style="display:inline-block">

            <el-dropdown trigger="click">
              <el-button>{{!postForm.comment_disabled?'评论已打开':'评论已关闭'}}<i class="el-icon-caret-bottom el-icon--right"></i></el-button>
              <el-dropdown-menu class="no-padding no-hover" slot="dropdown">
                <el-dropdown-item>
                  <el-radio-group style="padding: 10px;" v-model="postForm.comment_disabled">
                    <el-radio :label="true">关闭评论</el-radio>
                    <el-radio :label="false">打开评论</el-radio>
                  </el-radio-group>
                </el-dropdown-item>
              </el-dropdown-menu>
            </el-dropdown>
          </div>

          <el-dropdown trigger="click">
            <el-button>
              平台<i class="el-icon-caret-bottom el-icon--right"></i>
            </el-button>
            <el-dropdown-menu class="no-border" slot="dropdown">
              <el-checkbox-group v-model="postForm.platforms" style="padding: 5px 15px;">
                <el-checkbox v-for="item in platformsOptions" :label="item.key" :key="item.key">
                  {{item.name}}
                </el-checkbox>
              </el-checkbox-group>
            </el-dropdown-menu>
          </el-dropdown>

          <el-dropdown trigger="click">
            <el-button>
              外链<i class="el-icon-caret-bottom el-icon--right"></i>
            </el-button>
            <el-dropdown-menu class="no-padding no-border" style="width:300px" slot="dropdown">
              <el-form-item label-width="0px" style="margin-bottom: 0px" prop="source_uri">
                <el-input placeholder="请输入内容" v-model="postForm.source_uri">
                  <template slot="prepend">填写url</template>
                </el-input>
              </el-form-item>
            </el-dropdown-menu>
          </el-dropdown>

          <el-button v-loading="loading" style="margin-left: 10px;" type="success" @click="submitForm()">发布
          </el-button>
          <el-button v-loading="loading" type="warning" @click="draftForm">草稿</el-button>

        </template>
        <template v-else>
          <el-tag>发送异常错误,刷新页面,或者联系程序员</el-tag>
        </template>

      </Sticky>

      <div class="createPost-main-container">
        <el-row>
          <el-col :span="21">
            <el-form-item style="margin-bottom: 40px;" prop="title">
              <MDinput name="name" v-model="postForm.title" required :maxlength="100">
                标题
              </MDinput>
              <span v-show="postForm.title.length>=26" class='title-prompt'>app可能会显示不全</span>
            </el-form-item>

            <div class="postInfo-container">
              <el-row>
                <el-col :span="8">
                  <el-form-item label-width="45px" label="作者:" class="postInfo-container-item">
                    <multiselect v-model="postForm.author" :options="userLIstOptions" @search-change="getRemoteUserList" placeholder="搜索用户" selectLabel="选择"
                      deselectLabel="删除" track-by="key" :internalSearch="false" label="key">
                      <span slot='noResult'>无结果</span>
                    </multiselect>
                  </el-form-item>
                </el-col>

                <el-col :span="8">
                  <el-tooltip class="item" effect="dark" content="将替换作者" placement="top">
                    <el-form-item label-width="50px" label="来源:" class="postInfo-container-item">
                      <el-input placeholder="将替换作者" style='min-width:150px;' v-model="postForm.source_name">
                      </el-input>
                    </el-form-item>
                  </el-tooltip>
                </el-col>

                <el-col :span="8">
                  <el-form-item label-width="80px" label="发布时间:" class="postInfo-container-item">
                    <el-date-picker v-model="postForm.display_time" type="datetime" format="yyyy-MM-dd HH:mm:ss" placeholder="选择日期时间">
                    </el-date-picker>
                  </el-form-item>
                </el-col>
              </el-row>
            </div>
          </el-col>
        </el-row>

        <el-form-item style="margin-bottom: 40px;" label-width="45px" label="摘要:">
          <el-input type="textarea" class="article-textarea" :rows="1" autosize placeholder="请输入内容" v-model="postForm.content_short">
          </el-input>
          <span class="word-counter" v-show="contentShortLength">{{contentShortLength}}字</span>
        </el-form-item>

        <div class="editor-container">
          <Tinymce :height=400 ref="editor" v-model="postForm.content"></Tinymce>
        </div>

        <div style="margin-bottom: 20px;">
          <Upload v-model="postForm.image_uri"></Upload>
        </div>
      </div>
    </el-form>

  </div>
</template>

<script>
    import Tinymce from 'components/Tinymce'
    import Upload from 'components/Upload/singleImage3'
    import MDinput from 'components/MDinput';
    import { validateURL } from 'utils/validate';
    import { getArticle } from 'api/article';
    import { userSearch } from 'api/remoteSearch';

    export default {
      name: 'articleDetail',
      components: { Tinymce, MDinput, Upload },
      data() {
        const validateRequire = (rule, value, callback) => {
          if (value === '') {
            this.$message({
              message: rule.field + '为必传项',
              type: 'error'
            });
            callback(null)
          } else {
            callback()
          }
        };
        const validateSourceUri = (rule, value, callback) => {
          if (value) {
            if (validateURL(value)) {
              callback()
            } else {
              this.$message({
                message: '外链url填写不正确',
                type: 'error'
              });
              callback(null)
            }
          } else {
            callback()
          }
        };
        return {
          postForm: {
            title: '', // 文章题目
            content: '', // 文章内容
            content_short: '', // 文章摘要
            source_uri: '', // 文章外链
            image_uri: '', // 文章图片
            source_name: '', // 文章外部作者
            display_time: undefined, // 前台展示时间
            id: undefined,
            platforms: ['a-platform']
          },
          fetchSuccess: true,
          loading: false,
          userLIstOptions: [],
          platformsOptions: [
            { key: 'a-platform', name: 'a-platform' },
            { key: 'b-platform', name: 'b-platform' },
            { key: 'c-platform', name: 'c-platform' }
          ],
          rules: {
            image_uri: [{ validator: validateRequire }],
            title: [{ validator: validateRequire }],
            content: [{ validator: validateRequire }],
            source_uri: [{ validator: validateSourceUri, trigger: 'blur' }]
          }
        }
      },
      computed: {
        contentShortLength() {
          return this.postForm.content_short.length
        }
      },
      created() {
        this.fetchData();
      },
      methods: {
        fetchData() {
          getArticle().then(response => {
            this.postForm = response.data;
          }).catch(err => {
            this.fetchSuccess = false;
            console.log(err);
          });
        },
        submitForm() {
          this.postForm.display_time = parseInt(this.display_time / 1000);
          console.log(this.postForm)
          this.$refs.postForm.validate(valid => {
            if (valid) {
              this.loading = true;
              this.$notify({
                title: '成功',
                message: '发布文章成功',
                type: 'success',
                duration: 2000
              });
              this.postForm.status = 'published';
              this.loading = false;
            } else {
              console.log('error submit!!');
              return false;
            }
          });
        },
        draftForm() {
          if (this.postForm.content.length === 0 || this.postForm.title.length === 0) {
            this.$message({
              message: '请填写必要的标题和内容',
              type: 'warning'
            });
            return;
          }
          this.$message({
            message: '保存成功',
            type: 'success',
            showClose: true,
            duration: 1000
          });
          this.postForm.status = 'draft';
        },
        getRemoteUserList(query) {
          userSearch(query).then(response => {
            if (!response.items) return;
            console.log(response)
            this.userLIstOptions = response.items.map(v => ({
              key: v.name
            }));
          })
        }
      }
    }
</script>
<style rel="stylesheet/scss" lang="scss" scoped>
  @import "src/styles/mixin.scss";
  .title-prompt{
    position: absolute;
    right: 0px;
    font-size: 12px;
    top:10px;
    color:#ff4949;
  }
  .createPost-container {
    position: relative;
    .createPost-main-container {
      padding: 40px 45px 20px 50px;
      .postInfo-container {
        position: relative;
        @include clearfix;
        margin-bottom: 10px;
        .postInfo-container-item {
          float: left;
        }
      }
      .editor-container {
        min-height: 500px;
        margin: 0 0 30px;
        .editor-upload-btn-container {
            text-align: right;
            margin-right: 10px;
            .editor-upload-btn {
                display: inline-block;
            }
        }
      }
    }
    .word-counter {
      width: 40px;
      position: absolute;
      right: -10px;
      top: 0px;
    }
  }
</style>

