import * as React from "react";
import * as Constants from "~/common/constants";
import * as Strings from "~/common/strings";
import * as Actions from "~/common/actions";

import { css } from "@emotion/react";
import { LoaderSpinner } from "~/components/system/components/Loaders";
import { ProcessedText } from "~/components/system/components/Typography";

import TextareaAutoSize from "~/vendor/react-textarea-autosize";

const STYLES_SIDEBAR_INPUT = css`
  position: relative;
`;

const STYLES_SIDEBAR_TEXTAREA = css`
  resize: none;
  box-sizing: border-box;
  line-height: 1.255;
  font-size: 16px;
  outline: 0;
  border: 0;
  background: transparent;
  width: 100%;
  white-space: pre-wrap;
  padding: 48px 24px 24px 24px;
  color: ${Constants.system.white};
  font-family: ${Constants.font.text};
  scrollbar-width: none;
  -ms-overflow-style: -ms-autohiding-scrollbar;

  ::-webkit-scrollbar {
    display: none;
  }
`;

const STYLES_SIDEBAR_INPUT_LABEL = css`
  font-family: ${Constants.font.code};
  letter-spacing: 0.1px;
  color: #999;
  font-size: 10px;
  text-transform: uppercase;
  width: 100%;
  position: absolute;
  padding: 16px 24px 0px 24px;
`;

class SidebarInput extends React.Component {
  render() {
    return (
      <div css={STYLES_SIDEBAR_INPUT}>
        <label
          htmlFor={`sidebar-label-${this.props.name}`}
          css={STYLES_SIDEBAR_INPUT_LABEL}
        >
          {this.props.name}
        </label>
        <TextareaAutoSize
          value={this.props.value}
          name={this.props.name}
          onChange={this.props.onChange}
          id={`sidebar-label-${this.props.name}`}
          placeholder="..."
          style={this.props.style}
          css={STYLES_SIDEBAR_TEXTAREA}
        />
      </div>
    );
  }
}

const STYLES_SIDEBAR = css`
  width: 420px;
  flex-shrink: 0;
  height: 100%;
  background-color: ${Constants.system.pitchBlack};
  border-left: 1px solid #222;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;

  @media (max-width: ${Constants.sizes.mobile}px) {
    display: none;
  }
`;

const STYLES_BUTTON = css`
  border-top: 1px solid #222222;
  flex-shrink: 0;
  color: ${Constants.system.white};
  width: 100%;
  padding: 16px 24px 16px 24px;
  min-height: 56px;
  font-size: 14px;
  font-family: ${Constants.font.semiBold};
  transition: 200ms ease all;
  cursor: pointer;
  overflow-wrap: break-word;
  text-decoration: none;

  :hover {
    background-color: ${Constants.system.brand};
  }
`;

const STYLES_SIDEBAR_SECTION = css`
  flex-shrink: 0;
  width: 100%;
`;

const STYLES_SIDEBAR_CONTENT = css`
  width: 100%;
  height: 100%;
  overflow-y: scroll;
  scrollbar-width: none;
  -ms-overflow-style: -ms-autohiding-scrollbar;

  ::-webkit-scrollbar {
    display: none;
  }
`;

const STYLES_HEADING = css`
  font-family: ${Constants.font.medium};
  font-size: 16px;
  line-height: 1.225;
  font-weight: 400;
  padding: 16px 24px 24px 24px;
  overflow-wrap: break-word;
  white-space: pre-wrap;
`;

const STYLES_BODY = css`
  font-size: 16px;
  line-height: 1.225;
  padding: 24px;
  overflow-wrap: break-word;
  white-space: pre-wrap;
`;

export default class SlateMediaObjectSidebar extends React.Component {
  state = {
    title: this.props.data.title ? this.props.data.title : "",
    body: this.props.data.body ? this.props.data.body : "",
    source: this.props.data.source ? this.props.data.source : "",
    author: this.props.data.author ? this.props.data.author : "",
    deeplink: this.props.data.deeplink ? this.props.data.deeplink : "",
  };

  _handleChange = (e) => {
    this.setState({ [e.target.name]: e.target.value });
  };

  _handleChangeDeepLink = (e) => {
    this.setState({ [e.target.name]: Strings.createSlug(e.target.value, "") });
  };

  render() {
    const elements = [];

    if (this.props.data) {
      if (this.props.editing) {
        elements.push(
          <React.Fragment key="sidebar-media-object-info">
            <div css={STYLES_SIDEBAR_SECTION}>
              <SidebarInput
                name="title"
                value={this.state.title}
                onChange={this._handleChange}
                style={{ fontFamily: Constants.font.medium, fontSize: 16 }}
              />
            </div>
            <div
              css={STYLES_SIDEBAR_CONTENT}
              style={{ borderTop: `1px solid #222222` }}
            >
              <SidebarInput
                name="body"
                value={this.state.body}
                onChange={this._handleChange}
              />
            </div>
            <div
              css={STYLES_SIDEBAR_SECTION}
              style={{ borderTop: `1px solid #222222` }}
            >
              <SidebarInput
                name="source"
                value={this.state.source}
                onChange={this._handleChange}
              />
            </div>
            <div
              css={STYLES_SIDEBAR_SECTION}
              style={{ borderTop: `1px solid #222222` }}
            >
              <SidebarInput
                name="author"
                value={this.state.author}
                onChange={this._handleChange}
              />
            </div>
            <div
              css={STYLES_SIDEBAR_SECTION}
              style={{ borderTop: `1px solid #222222` }}
            >
              <SidebarInput
                name="deeplink"
                value={this.state.deeplink}
                onChange={this._handleChangeDeepLink}
              />
            </div>
          </React.Fragment>
        );

        elements.push(
          <span
            key="sidebar-media-save-button"
            css={STYLES_BUTTON}
            onClick={() =>
              this.props.onObjectSave({ ...this.props.data, ...this.state })
            }
          >
            {this.props.saving ? (
              <LoaderSpinner style={{ height: 16, width: 16 }} />
            ) : (
              <span>Save&nbsp;&nbsp;&nbsp;⭢</span>
            )}
          </span>
        );
      } else {
        const hasTitle = !Strings.isEmpty(this.props.data.title);
        const hasBody = !Strings.isEmpty(this.props.data.body);
        const hasSource = !Strings.isEmpty(this.props.data.source);
        const hasAuthor = !Strings.isEmpty(this.props.data.author);

        if (hasTitle) {
          elements.push(
            <div key="sidebar-media-info-title" css={STYLES_SIDEBAR_SECTION}>
              <h1 css={STYLES_HEADING}>
                <ProcessedText text={this.props.data.title} />
              </h1>
            </div>
          );
        }

        if (hasBody || hasTitle || hasSource || hasAuthor) {
          elements.push(
            <div key="sidebar-media-info-body" css={STYLES_SIDEBAR_CONTENT}>
              <p css={STYLES_BODY}>
                <ProcessedText text={this.props.data.body} />
              </p>
            </div>
          );
        }

        if (hasSource) {
          elements.push(
            <div key="sidebar-media-info-source" css={STYLES_SIDEBAR_SECTION}>
              <div
                css={STYLES_SIDEBAR_INPUT_LABEL}
                style={{ position: "relative" }}
              >
                Source
              </div>
              <p css={STYLES_BODY}>
                <ProcessedText text={this.props.data.source} />
              </p>
            </div>
          );
        }

        if (hasAuthor) {
          elements.push(
            <div key="sidebar-media-info-author" css={STYLES_SIDEBAR_SECTION}>
              <div
                css={STYLES_SIDEBAR_INPUT_LABEL}
                style={{ position: "relative" }}
              >
                Author
              </div>
              <p css={STYLES_BODY}>
                <ProcessedText text={this.props.data.source} />
              </p>
            </div>
          );
        }
      }
    }

    if (this.props.cid) {
      elements.push(
        <div
          css={STYLES_SIDEBAR}
          key="sidebar-media-open-file"
          style={{ height: "auto" }}
        >
          <a
            css={STYLES_BUTTON}
            href={Strings.getCIDGatewayURL(this.props.cid)}
            target="_blank"
          >
            Open file in new tab &nbsp;&nbsp;⭢
          </a>
          <a
            css={STYLES_BUTTON}
            href={Strings.getCIDGatewayURL(this.props.cid)}
            target="_blank"
            download={this.props.cid}
          >
            Download file &nbsp;&nbsp;⭢
          </a>
        </div>
      );
    }

    if (this.props.onDelete && this.props.editing) {
      elements.push(
        <span
          key="sidebar-media-object-delete"
          css={STYLES_BUTTON}
          onMouseUp={() => this.props.onDelete(this.props.id)}
          onTouchEnd={() => this.props.onDelete(this.props.id)}
        >
          {this.props.loading ? (
            <LoaderSpinner style={{ height: 16, width: 16 }} />
          ) : (
            <span>Delete from slate&nbsp;&nbsp;&nbsp;⭢</span>
          )}
        </span>
      );
    }

    if (!elements.length) {
      return null;
    }

    return <div css={STYLES_SIDEBAR}>{elements}</div>;
  }
}