import { html, css, Component } from 'wkit'

import '//jscdn.ink/@bytedo/wcui/1.0.12/table/index.js'
import fetch from '/lib/fetch.js'

class Request extends Component {
  static props = {
    list: [],
    page: 'num!1',
    total: 'num!0',
    loading: false,
    disabled: true
  }

  static styles = [
    css`
      ::selection {
        background: var(--color-plain-a);
      }
      .packages {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding-top: 16px;

        .toolbar,
        .list {
          width: 1024px;
        }

        .toolbar {
          display: flex;
          justify-content: space-between;
          align-items: center;
          margin: 16px 0;

          & wc-input {
            width: 480px;
          }
        }

        .pager {
          margin-top: 16px;
        }
      }
    `,
    css`
      .request-form {
        width: 640px;
        background: #fff;

        .title {
          display: flex;
          align-items: center;
          height: 48px;
          padding: 0 16px;
          font-size: 20px;
          color: var(--color-grey-3);
        }

        .content {
          display: block;
          padding: 16px 16px 32px;

          .field {
            display: flex;
            align-items: center;
            margin-top: 12px;

            &.center {
              margin-top: 16px;
              justify-content: center;
            }

            .label {
              width: 120px;
            }
            & wc-input,
            .value {
              flex: 1;
            }
          }
        }
      }
    `
  ]

  #thead = JSON.stringify([
    '开源库',
    '作者',
    '最后同步版本',
    '最后同步日期',
    '收录状态',
    '备注',
    '操作'
  ])

  #filter = ''

  #list = []
  #onlyShowWaited = false

  #lib = {
    name: '',
    author: '-',
    description: '-',
    latest: '-'
  }

  #fetchList() {
    fetch('/package/list').then(r => {
      this.#list = r.data.map(
        it => ((it.sync_date = new Date(it.sync_date).format('Y/m/d')), it)
      )
      this.#fetchPage()
    })
  }

  #fetchPage() {
    let start = (this.page - 1) * 20
    let end = start + 20
    let filter = this.#filter
    let waited = this.#onlyShowWaited

    this.list = this.#list
      .filter(it => it.id.includes(filter) && (waited ? it.stat === 1 : true))
      .slice(start, end)
    this.total = this.list.length
  }

  #pageChanged(ev) {
    this.page = ev.data
    this.#fetchPage()
  }

  #search(ev) {
    let filter = ev.type === 'submit' ? ev.target.value.trim() : this.#filter
    let waited = ev.type === 'change' ? ev.value : this.#onlyShowWaited

    this.#filter = filter
    this.#onlyShowWaited = waited

    this.list = this.#list.filter(
      it => it.id.includes(filter) && (waited ? it.stat === 1 : true)
    )
    this.total = this.list.length
  }

  #openDialog() {
    if (this.$store.user.id) {
      this.$refs.form.show()
    } else {
      layer.confirm('你还没有登录, 请先登录之后, 再申请').then(_ => {
        localStorage.setItem('login_callback_path', this.$route.path)
        this.$router.push('/login')
      })
    }
  }

  #resetForm(force) {
    force && (this.#lib.name = '')
    this.#lib.author = '-'
    this.#lib.description = '-'
    this.#lib.latest = '-'
    this.disabled = true
  }

  #autoUpdateInfo(ev) {
    let name = ev.target.value.trim()
    this.#lib.name = name

    clearTimeout(this.$timer)
    if (name) {
      if (name.startsWith('@') && name.indexOf('/') === -1) {
        return
      }

      this.$timer = setTimeout(async _ => {
        await this.#getPackageInfo(name)
        this.$requestUpdate()
      }, 800)
    } else {
      this.#resetForm()
    }
  }

  #getPackageInfo(name) {
    return fetch('https://registry.npmmirror.com/' + name)
      .then(r => {
        let author = r.author
          ? r.author.name
          : r.maintainers
          ? r.maintainers[0].name
          : 'unknow'

        this.#lib.author = author
        this.#lib.description = r.description || r.homepage
        this.#lib.latest = r['dist-tags'].latest

        this.disabled = false
        return {
          author,
          description: this.#lib.description,
          latest: this.#lib.latest
        }
      })
      .catch(_ => {
        this.#resetForm()
        layer.toast(
          `开源库【${name}】在npm上找不到, 请确认名称是否正确`,
          'error'
        )
      })
  }

  #uploadPackge(body) {
    fetch('/package/upload', { method: 'post', body })
      .then(r => {
        layer.toast('提交成功,等待审核', 'success')
        this.#resetForm(true)
        this.#fetchList()
        this.$refs.form.close()
      })
      .catch(e => {
        layer.toast(e.msg, 'error')
      })
  }

  #submit() {
    let name = this.#lib.name.trim()
    if (name) {
      if (name.startsWith('@') && name.indexOf('/') === -1) {
        return
      }
      this.loading = true
      this.#getPackageInfo(name)
        .then(({ author, description, latest }) => {
          //
          this.#uploadPackge({ name, author, description, latest })
        })

        .finally(_ => (this.loading = false))
    } else {
      layer.toast(`请填写正确的名称`, 'warning')
    }
  }

  #handlePackgae(act, id) {
    if (act !== 'sync' && !this.$store.user.admin) {
      return layer.alert('别闹, 老实等管理员通过~~')
    }
    let req
    if (act === 'reject' || act === 'delete') {
      req = layer.prompt('请输入理由').then(remark => {
        return fetch(`/package/${act}/${encodeURIComponent(id)}`, {
          method: 'PUT',
          body: { remark }
        })
      })
    } else if (act === 'accept') {
      req = layer.prompt('请输入文件目录', 'dist').then(dist => {
        return fetch(`/package/${act}/${encodeURIComponent(id)}`, {
          method: 'PUT',
          body: { dist }
        })
      })
    } else {
      req = fetch(`/package/${act}/${encodeURIComponent(id)}`, {
        method: 'PUT'
      })
    }
    this.loading = true
    req
      .then(r => {
        layer.toast('操作成功', 'success')
        this.#fetchList()
      })
      .catch(r => {
        r && layer.toast(r.msg, 'error')
      })
      .finally(_ => (this.loading = false))
  }

  mounted() {
    this.$store.searchShow = false
    this.#fetchList()
  }

  render() {
    return html`
      <main class="packages">
        <div class="toolbar">
          <wc-input
            :value=${this.#filter}
            placeholder="请输入开源库的名字"
            @submit=${this.#search}
          ></wc-input>

          <wc-switch :value=${this.#onlyShowWaited} @change=${this.#search}
            >只显示待审核</wc-switch
          >
          <wc-link type="info" @click=${this.#openDialog}>
            没找到你想的库?点击申请收录
          </wc-link>
        </div>

        <wc-table class="list" thead=${this.#thead}>
          ${this.list.map(
            it => html`
              <wc-tr>
                <wc-td align="center">
                  <router-link
                    :to=${{ path: it.stat === 2 ? '/?name=' + it.id : '' }}
                  >
                    ${it.id}
                  </router-link>
                </wc-td>
                <wc-td align="center">${it.author}</wc-td>
                <wc-td align="center">${it.latest || '-'}</wc-td>
                <wc-td align="center">${it.latest ? it.sync_date : '-'}</wc-td>
                <wc-td align="center">${this.$store.stats[it.stat]}</wc-td>
                <wc-td>${it.remark || '-'}</wc-td>
                <wc-td align="center">
                  ${it.stat === 2
                    ? html`<wc-link
                        :disabled=${this.loading}
                        @click=${_ => this.#handlePackgae('sync', it.id)}
                        type="info"
                        >更新</wc-link
                      >`
                    : ''}
                  ${this.$store.user.admin && it.stat !== 2
                    ? html`<wc-link
                        @click=${_ => this.#handlePackgae('accept', it.id)}
                        type="info"
                        >通过</wc-link
                      >`
                    : ''}
                  ${this.$store.user.admin && it.stat !== 0
                    ? html`<wc-link
                        @click=${_ => this.#handlePackgae('reject', it.id)}
                        type="warning"
                        >拒绝</wc-link
                      >`
                    : ''}
                  ${this.$store.user.admin && it.stat !== 0
                    ? html`<wc-link
                        @click=${_ => this.#handlePackgae('delete', it.id)}
                        type="danger"
                        >删除</wc-link
                      >`
                    : ''}
                </wc-td>
              </wc-tr>
            `
          )}
        </wc-table>

        <wc-pager
          class="pager"
          layout="prev,pages,next,info"
          @page-change=${this.#pageChanged}
          :total=${this.total}
          :page=${this.page}
        />
      </main>

      <wc-layer ref="form" mask mask-close>
        <div class="request-form">
          <header class="title">申请收录开源库</header>
          <main class="content">
            <section class="field">
              <span class="label">开源库名称:</span>
              <wc-input
                :value=${this.#lib.name}
                @input=${this.#autoUpdateInfo}
              />
            </section>
            <section class="field">
              <span class="label">作者:</span>
              <span class="value">${this.#lib.author}</span>
            </section>
            <section class="field">
              <span class="label">简介:</span>
              <span class="value">${this.#lib.description}</span>
            </section>
            <section class="field">
              <span class="label">最新版本:</span>
              <span class="value">${this.#lib.latest}</span>
            </section>
            <section class="field center">
              <wc-button
                type="info"
                :disabled=${this.disabled}
                :loading=${this.loading}
                @click=${this.#submit}
                >提交申请</wc-button
              >
            </section>
          </main>
        </div>
      </wc-layer>
    `
  }
}

Request.reg('request')