import { html, css, Component } from 'wkit'
import fetch from '/lib/fetch.js'

class Login extends Component {
  static styles = css`
    .login-page {
      display: flex;
      justify-content: center;
      width: 1024px;
      margin: 0 auto;
      padding: 16px;
      user-select: none;

      .login-form,
      .user-card {
        display: flex;
        flex-direction: column;
        width: 320px;
        min-height: 160px;
        padding: 32px;
        margin-top: 32px;
        box-shadow: 0 0 12px rgba(0, 0, 0, 0.1);
      }

      .login-form {
        .title {
          margin-bottom: 32px;
          line-height: 2;
          border-bottom: 1px solid var(--color-plain-2);
          font-size: 20px;
          text-align: center;
          color: var(--color-grey-3);
        }

        .third-part {
          display: flex;
        }

        & a {
          display: inline-flex;
          width: 32px;
          height: 32px;
          margin: 0 16px;
        }
      }

      .user-card {
        align-items: center;

        .avatar {
          width: 96px;
          height: 96px;
          border: 3px solid var(--color-plain-1);
          border-radius: 50%;
          box-shadow: 0 0 16px rgba(0, 0, 0, 0.3);
        }

        .name {
          line-height: 2;
        }
        .homepage {
          display: flex;
          align-items: center;
          --wc-icon-size: 14px;
          font-style: normal;

          & a {
            margin-left: 6px;
            text-decoration: underline;
            color: var(--color-blue-1);
          }
        }

        .logout {
          margin-top: 32px;
        }
      }
    }
  `

  #jumpLogin(site = 'github') {
    switch (site) {
      case 'github':
        location.replace(
          'https://github.com/login/oauth/authorize?' +
            `client_id=57d9d247bda6302fd9d1&redirect_uri=https://www.jscdn.ink/login`
        )
        break
    }
  }

  #logout() {
    this.$store.user = {}
    localStorage.removeItem('user')
    localStorage.removeItem('token')
  }

  mounted() {
    let route = this.$route
    this.$store.searchShow = false

    if (route.query.code) {
      fetch('/login/github', {
        method: 'post',
        body: {
          code: route.query.code
        }
      })
        .then(r => {
          let lastPath = localStorage.getItem('login_callback_path')
          layer.toast('登录成功', 'success')
          this.$store.user = r.data.user
          localStorage.setItem('user', JSON.stringify(r.data.user))
          localStorage.setItem('token', r.data.token)
          if (lastPath) {
            localStorage.removeItem('login_callback_path')
            this.$router.replace(lastPath)
          } else {
            this.$router.replace('/login')
          }
        })
        .catch(r => {
          console.log(r)
          layer.toast(r.msg, 'error')
        })
    }
  }

  render() {
    return html`
      <main class="login-page">
        ${this.$store.user.id
          ? html`
              <div class="user-card">
                <img class="avatar" :src=${this.$store.user.avatar} />
                <h3 class="name">${this.$store.user.name}</h3>
                <cite class="homepage">
                  <wc-icon name="home"></wc-icon>主页:
                  <a target="_blank" :href=${this.$store.user.homepage}
                    >${this.$store.user.homepage}</a
                  >
                </cite>
                <wc-button type="danger" class="logout" @click=${this.#logout}
                  >注销登录</wc-button
                >
              </div>
            `
          : html`
              <div class="login-form">
                <section class="title">请使用以下方式登录</section>
                <section class="third-part">
                  <a
                    class="github"
                    title="github"
                    @click=${_ => this.#jumpLogin('github')}
                  >
                    <svg
                      class="ico"
                      viewBox="0 0 16 16"
                      width="32"
                      height="32"
                      fill="currentColor"
                    >
                      <path
                        d="M8 0c4.42 0 8 3.58 8 8a8.013 8.013 0 01-5.45 7.59c-.4.08-.55-.17-.55-.38 0-.27.01-1.13.01-2.2 0-.75-.25-1.23-.54-1.48 1.78-.2 3.65-.88 3.65-3.95 0-.88-.31-1.59-.82-2.15.08-.2.36-1.02-.08-2.12 0 0-.67-.22-2.2.82-.64-.18-1.32-.27-2-.27-.68 0-1.36.09-2 .27-1.53-1.03-2.2-.82-2.2-.82-.44 1.1-.16 1.92-.08 2.12-.51.56-.82 1.28-.82 2.15 0 3.06 1.86 3.75 3.64 3.95-.23.2-.44.55-.51 1.07-.46.21-1.61.55-2.33-.66-.15-.24-.6-.83-1.23-.82-.67.01-.27.38.01.53.34.19.73.9.82 1.13.16.45.68 1.31 2.69.94 0 .67.01 1.3.01 1.49 0 .21-.15.45-.55.38A7.995 7.995 0 010 8c0-4.42 3.58-8 8-8z"
                      />
                    </svg>
                  </a>
                  <a title="wait...">...</a>
                </section>
              </div>
            `}
      </main>
    `
  }
}

Login.reg('login', 'v')