import React, {PropTypes} from 'react';
import LoadMore from './LoadMore';
import NewCount from './NewCount';
import Comment from '../containers/Comment';
import Slot from 'coral-framework/components/Slot';
import InfoBox from 'coral-plugin-infobox/InfoBox';
import {ModerationLink} from 'coral-plugin-moderation';
import CommentBox from 'coral-plugin-commentbox/CommentBox';
import QuestionBox from 'coral-plugin-questionbox/QuestionBox';
import IgnoredCommentTombstone from './IgnoredCommentTombstone';
import SuspendedAccount from 'coral-framework/components/SuspendedAccount';
import RestrictedContent from 'coral-framework/components/RestrictedContent';
import ChangeUsernameContainer
  from 'coral-sign-in/containers/ChangeUsernameContainer';

class Stream extends React.Component {
  setActiveReplyBox = (reactKey) => {
    if (!this.props.auth.user) {
      this.props.showSignInDialog();
    } else {
      this.props.setActiveReplyBox(reactKey);
    }
  };

  render() {
    const {
      root: {asset, asset: {comments}, comment, me},
      postComment,
      addNotification,
      postFlag,
      postDontAgree,
      loadMore,
      deleteAction,
      showSignInDialog,
      addCommentTag,
      removeCommentTag,
      pluginProps,
      ignoreUser,
      auth: {loggedIn, isAdmin, user},
      commentCountCache,
      editName
    } = this.props;
    const open = asset.closedAt === null;

    // even though the permalinked comment is the highlighted one, we're displaying its parent + replies
    const highlightedComment = comment && comment.parent
      ? comment.parent
      : comment;

    const banned = user && user.status === 'BANNED';

    const hasOlderComments = !!(asset &&
      asset.lastComment &&
      asset.lastComment.id !== asset.comments[asset.comments.length - 1].id);

    // Find the created_at date of the first comment. If no comments exist, set the date to a week ago.
    const firstCommentDate = asset.comments[0]
      ? asset.comments[0].created_at
      : new Date(Date.now() - 1000 * 60 * 60 * 24 * 7).toISOString();
    const commentIsIgnored = (comment) => {
      return (
        me &&
        me.ignoredUsers &&
        me.ignoredUsers.find((u) => u.id === comment.user.id)
      );
    };
    return (
      <div id="stream">

        <Slot
          fill="stream"
        />

        {open
          ? <div id="commentBox">
              <InfoBox
                content={asset.settings.infoBoxContent}
                enable={asset.settings.infoBoxEnable}
              />
              <QuestionBox
                content={asset.settings.questionBoxContent}
                enable={asset.settings.questionBoxEnable}
              />
              <RestrictedContent
                restricted={banned}
                restrictedComp={
                  <SuspendedAccount
                    canEditName={user && user.canEditName}
                    editName={editName}
                  />
                }
              >
                {user
                  ? <CommentBox
                      addNotification={this.props.addNotification}
                      postComment={this.props.postComment}
                      appendItemArray={this.props.appendItemArray}
                      updateItem={this.props.updateItem}
                      setCommentCountCache={this.props.setCommentCountCache}
                      commentCountCache={commentCountCache}
                      assetId={asset.id}
                      premod={asset.settings.moderation}
                      isReply={false}
                      authorId={user.id}
                      charCountEnable={asset.settings.charCountEnable}
                      maxCharCount={asset.settings.charCount}
                    />
                  : null}
              </RestrictedContent>
            </div>
          : <p>{asset.settings.closedMessage}</p>}
        {loggedIn &&
          user &&
          <ChangeUsernameContainer loggedIn={loggedIn} user={user} />}
        {loggedIn && <ModerationLink assetId={asset.id} isAdmin={isAdmin} />}

        {highlightedComment
          ? <Comment
              data={this.props.data}
              root={this.props.root}
              setActiveReplyBox={this.setActiveReplyBox}
              activeReplyBox={this.props.activeReplyBox}
              addNotification={addNotification}
              depth={0}
              postComment={this.props.postComment}
              asset={asset}
              currentUser={user}
              highlighted={comment.id}
              postFlag={this.props.postFlag}
              postDontAgree={this.props.postDontAgree}
              loadMore={this.props.loadMore}
              deleteAction={this.props.deleteAction}
              showSignInDialog={this.props.showSignInDialog}
              key={highlightedComment.id}
              commentIsIgnored={commentIsIgnored}
              reactKey={highlightedComment.id}
              comment={highlightedComment}
              charCountEnable={asset.settings.charCountEnable}
              maxCharCount={asset.settings.charCount}
              editComment={this.props.editComment}
            />
          : <div>
              <NewCount
                commentCount={asset.commentCount}
                commentCountCache={commentCountCache}
                loadMore={this.props.loadMore}
                firstCommentDate={firstCommentDate}
                assetId={asset.id}
                setCommentCountCache={this.props.setCommentCountCache}
              />
              <div className="embed__stream">
                {comments.map((comment) => {
                  return commentIsIgnored(comment)
                    ? <IgnoredCommentTombstone key={comment.id} />
                    : <Comment
                        data={this.props.data}
                        root={this.props.root}
                        disableReply={!open}
                        setActiveReplyBox={this.setActiveReplyBox}
                        activeReplyBox={this.props.activeReplyBox}
                        addNotification={addNotification}
                        depth={0}
                        postComment={postComment}
                        asset={asset}
                        currentUser={user}
                        postFlag={postFlag}
                        postDontAgree={postDontAgree}
                        addCommentTag={addCommentTag}
                        removeCommentTag={removeCommentTag}
                        ignoreUser={ignoreUser}
                        commentIsIgnored={commentIsIgnored}
                        loadMore={loadMore}
                        deleteAction={deleteAction}
                        showSignInDialog={showSignInDialog}
                        key={comment.id}
                        reactKey={comment.id}
                        comment={comment}
                        pluginProps={pluginProps}
                        charCountEnable={asset.settings.charCountEnable}
                        maxCharCount={asset.settings.charCount}
                        editComment={this.props.editComment}
                      />;
                })}
              </div>
              <LoadMore
                topLevel={true}
                assetId={asset.id}
                comments={asset.comments}
                moreComments={hasOlderComments}
                loadMore={this.props.loadMore}
              />
            </div>}
      </div>
    );
  }
}

Stream.propTypes = {
  addNotification: PropTypes.func.isRequired,
  postComment: PropTypes.func.isRequired,

  // dispatch action to add a tag to a comment
  addCommentTag: PropTypes.func,

  // dispatch action to remove a tag from a comment
  removeCommentTag: PropTypes.func,

  // dispatch action to ignore another user
  ignoreUser: React.PropTypes.func,

  // edit a comment, passed (id, asset_id, { body })
  editComment: React.PropTypes.func
};

export default Stream;