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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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// | Copyright (c) 2016~2021 https://www.crmeb.com All rights reserved.
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// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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// | Author: CRMEB Team <admin@crmeb.com>
// +----------------------------------------------------------------------
import Vue from 'vue'
import Modal from 'element-ui/src/components/modal/modal.vue'
import Button from 'element-ui/src/components/button/button.vue'
import Locale from 'element-ui/src/mixins/locale'

const prefixCls = 'ivu-modal-alert'

Modal.newInstance = properties => {
  const _props = properties || {}

  const Instance = new Vue({
    mixins: [Locale],
    data: Object.assign({}, _props, {
      visible: false,
      width: 416,
      title: '',
      body: '',
      iconType: '',
      iconName: '',
      okText: undefined,
      cancelText: undefined,
      showCancel: false,
      loading: false,
      buttonLoading: false,
      scrollable: false,
      closable: true,
      closing: false // 关闭有动画，期间使用此属性避免重复点击
    }),
    computed: {
      iconTypeCls() {
        return [
          `${prefixCls}-head-icon`,
          `${prefixCls}-head-icon-${this.iconType}`
        ]
      },
      iconNameCls() {
        return [
          'ivu-icon',
          `ivu-icon-${this.iconName}`
        ]
      },
      localeOkText() {
        if (this.okText) {
          return this.okText
        } else {
          return this.t('i.modal.okText')
        }
      },
      localeCancelText() {
        if (this.cancelText) {
          return this.cancelText
        } else {
          return this.t('i.modal.cancelText')
        }
      }
    },
    methods: {
      cancel() {
        if (this.closing) return
        this.$children[0].visible = false
        this.buttonLoading = false
        this.onCancel()
        this.remove()
      },
      ok() {
        if (this.closing) return
        if (this.loading) {
          this.buttonLoading = true
        } else {
          this.$children[0].visible = false
          this.remove()
        }
        this.onOk()
      },
      remove() {
        this.closing = true
        setTimeout(() => {
          this.closing = false
          this.destroy()
        }, 300)
      },
      destroy() {
        this.$destroy()
        if (this.$el) {
          document.body.removeChild(this.$el)
        }
        this.onRemove()
      },
      onOk() {
      },
      onCancel() {
      },
      onRemove() {
      }
    },
    render(h) {
      const footerVNodes = []
      if (this.showCancel) {
        footerVNodes.push(h(Button, {
          props: {
            type: 'text',
            size: 'large'
          },
          on: {
            click: this.cancel
          }
        }, this.localeCancelText))
      }
      // footerVNodes.push(h(Button, {
      //   props: {
      //     type: 'primary',
      //     size: 'large',
      //     loading: this.buttonLoading
      //   },
      //   on: {
      //     click: this.ok
      //   }
      // }, this.localeOkText))

      // render content
      let body_render
      if (this.render) {
        body_render = h('div', {
          attrs: {
            class: `${prefixCls}-body ${prefixCls}-body-render`
          }
        }, [this.render(h)])
      } else {
        body_render = h('div', {
          attrs: {
            class: `${prefixCls}-body`
          }
        }, [
          h('div', {
            domProps: {
              innerHTML: this.body
            }
          })
        ])
      }

      // when render with no title, hide head
      let head_render
      if (this.title) {
        head_render = h('div', {
          attrs: {
            class: `${prefixCls}-head`
          },
          slot: 'header'
        }, [
          h('h2', {
            attrs: {
              class: `${prefixCls}-head-title`
            },
            domProps: {
              innerHTML: this.title,
              style: 'margin-bottom: 10px;'
            }
          })
        ])
      }

      return h(Modal, {
        props: Object.assign({}, _props, {
          width: this.width,
          scrollable: this.scrollable,
          closable: this.closable
        }),
        domProps: {
          value: this.visible
        },
        on: {
          input: (status) => {
            this.visible = status
          },
          'on-cancel': this.cancel
        }
      }, [
        h('div', {
          attrs: {
            class: prefixCls
          }
        }, [
          head_render,
          body_render,
          h('div', {
            attrs: {
              class: `${prefixCls}-footer`
            }
          }, footerVNodes)
        ])
      ])
    }
  })

  const component = Instance.$mount()
  document.body.appendChild(component.$el)
  const modal = Instance.$children[0]

  return {
    show(props) {
      modal.$parent.showCancel = props.showCancel
      modal.$parent.iconType = props.icon

      switch (props.icon) {
        case 'info':
          modal.$parent.iconName = 'ios-information-circle'
          break
        case 'success':
          modal.$parent.iconName = 'ios-checkmark-circle'
          break
        case 'warning':
          modal.$parent.iconName = 'ios-alert'
          break
        case 'error':
          modal.$parent.iconName = 'ios-close-circle'
          break
        case 'confirm':
          modal.$parent.iconName = 'ios-help-circle'
          break
      }

      if ('width' in props) {
        modal.$parent.width = props.width
      }

      if ('closable' in props) {
        modal.$parent.closable = props.closable
      }

      if ('title' in props) {
        modal.$parent.title = props.title
      }

      if ('content' in props) {
        modal.$parent.body = props.content
      }

      if ('okText' in props) {
        modal.$parent.okText = props.okText
      }

      if ('cancelText' in props) {
        modal.$parent.cancelText = props.cancelText
      }

      if ('onCancel' in props) {
        modal.$parent.onCancel = props.onCancel
      }

      if ('onOk' in props) {
        modal.$parent.onOk = props.onOk
      }

      // async for ok
      if ('loading' in props) {
        modal.$parent.loading = props.loading
      }

      if ('scrollable' in props) {
        modal.$parent.scrollable = props.scrollable
      }

      // notice when component destroy
      modal.$parent.onRemove = props.onRemove

      modal.visible = true
    },
    remove() {
      modal.visible = false
      modal.$parent.buttonLoading = false
      modal.$parent.remove()
    },
    component: modal
  }
}

export default Modal