import React from "react";

import { useRouter } from "next/router";

import Link from "next/link";

// icons
import {
  ArrowTopRightOnSquareIcon,
  ChatBubbleLeftEllipsisIcon,
  Squares2X2Icon,
} from "@heroicons/react/24/outline";
import { BlockedIcon, BlockerIcon } from "components/icons";
import { Icon } from "components/ui";
// helpers
import { renderShortDateWithYearFormat, timeAgo } from "helpers/date-time.helper";
import { addSpaceIfCamelCase } from "helpers/string.helper";
// types
import RemirrorRichTextEditor from "components/rich-text-editor";

const activityDetails: {
  [key: string]: {
    message?: string;
    icon: JSX.Element;
  };
} = {
  assignee: {
    message: "removed the assignee",
    icon: <Icon iconName="group" className="!text-sm" aria-hidden="true" />,
  },
  assignees: {
    message: "added a new assignee",
    icon: <Icon iconName="group" className="!text-sm" aria-hidden="true" />,
  },
  blocks: {
    message: "marked this issue being blocked by",
    icon: <BlockedIcon height="12" width="12" color="#6b7280" />,
  },
  blocking: {
    message: "marked this issue is blocking",
    icon: <BlockerIcon height="12" width="12" color="#6b7280" />,
  },
  cycles: {
    message: "set the cycle to",
    icon: <Icon iconName="contrast" className="!text-sm" aria-hidden="true" />,
  },
  labels: {
    icon: <Icon iconName="sell" className="!text-sm" aria-hidden="true" />,
  },
  modules: {
    message: "set the module to",
    icon: <Icon iconName="dataset" className="!text-sm" aria-hidden="true" />,
  },
  state: {
    message: "set the state to",
    icon: <Squares2X2Icon className="h-3 w-3 text-custom-text-200" aria-hidden="true" />,
  },
  priority: {
    message: "set the priority to",
    icon: <Icon iconName="signal_cellular_alt" className="!text-sm" aria-hidden="true" />,
  },
  name: {
    message: "set the name to",
    icon: <Icon iconName="chat" className="!text-sm" aria-hidden="true" />,
  },
  description: {
    message: "updated the description.",
    icon: <Icon iconName="chat" className="!text-sm" aria-hidden="true" />,
  },
  estimate_point: {
    message: "set the estimate point to",
    icon: <Icon iconName="change_history" className="!text-sm" aria-hidden="true" />,
  },
  target_date: {
    message: "set the due date to",
    icon: <Icon iconName="calendar_today" className="!text-sm" aria-hidden="true" />,
  },
  parent: {
    message: "set the parent to",
    icon: <Icon iconName="supervised_user_circle" className="!text-sm" aria-hidden="true" />,
  },
  issue: {
    message: "deleted the issue.",
    icon: <Icon iconName="delete" className="!text-sm" aria-hidden="true" />,
  },
  estimate: {
    message: "updated the estimate",
    icon: <Icon iconName="change_history" className="!text-sm" aria-hidden="true" />,
  },
  link: {
    message: "updated the link",
    icon: <Icon iconName="link" className="!text-sm" aria-hidden="true" />,
  },
  attachment: {
    message: "updated the attachment",
    icon: <Icon iconName="attach_file" className="!text-sm" aria-hidden="true" />,
  },
  archived_at: {
    message: "archived",
    icon: <Icon iconName="archive" className="!text-sm text-custom-text-200" aria-hidden="true" />,
  },
};

export const Feeds: React.FC<any> = ({ activities }) => {
  const router = useRouter();
  const { workspaceSlug } = router.query;

  return (
    <div>
      <ul role="list" className="-mb-4">
        {activities.map((activity: any, activityIdx: number) => {
          // determines what type of action is performed
          let action = activityDetails[activity.field as keyof typeof activityDetails]?.message;
          if (activity.field === "labels") {
            action = activity.new_value !== "" ? "added a new label" : "removed the label";
          } else if (activity.field === "blocking") {
            action =
              activity.new_value !== ""
                ? "marked this issue is blocking"
                : "removed the issue from blocking";
          } else if (activity.field === "blocks") {
            action =
              activity.new_value !== "" ? "marked this issue being blocked by" : "removed blocker";
          } else if (activity.field === "target_date") {
            action =
              activity.new_value && activity.new_value !== ""
                ? "set the due date to"
                : "removed the due date";
          } else if (activity.field === "parent") {
            action =
              activity.new_value && activity.new_value !== ""
                ? "set the parent to"
                : "removed the parent";
          } else if (activity.field === "priority") {
            action =
              activity.new_value && activity.new_value !== ""
                ? "set the priority to"
                : "removed the priority";
          } else if (activity.field === "description") {
            action = "updated the";
          } else if (activity.field === "attachment") {
            action = `${activity.verb} the`;
          } else if (activity.field === "link") {
            action = `${activity.verb} the`;
          } else if (activity.field === "archived_at") {
            action =
              activity.new_value && activity.new_value === "restore"
                ? "restored the issue"
                : "archived the issue";
          }
          // for values that are after the action clause
          let value: any = activity.new_value ? activity.new_value : activity.old_value;
          if (
            activity.verb === "created" &&
            activity.field !== "cycles" &&
            activity.field !== "modules" &&
            activity.field !== "attachment" &&
            activity.field !== "link" &&
            activity.field !== "estimate"
          ) {
            const { project, issue } = activity;
            value = (
              <span className="text-custom-text-200">
                created{" "}
                <Link href={`/${workspaceSlug}/projects/${project}/issues/${issue}`}>
                  <a className="inline-flex items-center hover:underline">
                    this issue. <ArrowTopRightOnSquareIcon className="ml-1 h-3.5 w-3.5" />
                  </a>
                </Link>
              </span>
            );
          } else if (activity.field === "state") {
            value = activity.new_value ? addSpaceIfCamelCase(activity.new_value) : "None";
          } else if (activity.field === "labels") {
            let name;
            let id = "#000000";
            if (activity.new_value !== "") {
              name = activity.new_value;
              id = activity.new_identifier ? activity.new_identifier : id;
            } else {
              name = activity.old_value;
              id = activity.old_identifier ? activity.old_identifier : id;
            }

            value = name;
          } else if (activity.field === "assignees") {
            value = activity.new_value;
          } else if (activity.field === "target_date") {
            const date =
              activity.new_value && activity.new_value !== ""
                ? activity.new_value
                : activity.old_value;
            value = renderShortDateWithYearFormat(date as string);
          } else if (activity.field === "description") {
            value = "description";
          } else if (activity.field === "attachment") {
            value = "attachment";
          } else if (activity.field === "link") {
            value = "link";
          } else if (activity.field === "estimate_point") {
            value = activity.new_value
              ? activity.new_value +
                ` Point${parseInt(activity.new_value ?? "", 10) > 1 ? "s" : ""}`
              : "None";
          }

          if (activity.field === "comment") {
            return (
              <div key={activity.id} className="mt-2">
                <div className="relative flex items-start space-x-3">
                  <div className="relative px-1">
                    {activity.field ? (
                      activity.new_value === "restore" ? (
                        <Icon iconName="history" className="text-sm text-custom-text-200" />
                      ) : (
                        activityDetails[activity.field as keyof typeof activityDetails]?.icon
                      )
                    ) : activity.actor_detail.avatar && activity.actor_detail.avatar !== "" ? (
                      <img
                        src={activity.actor_detail.avatar}
                        alt={activity.actor_detail.first_name}
                        height={30}
                        width={30}
                        className="grid h-7 w-7 place-items-center rounded-full border-2 border-white bg-gray-500 text-white"
                      />
                    ) : (
                      <div
                        className={`grid h-7 w-7 place-items-center rounded-full border-2 border-white bg-gray-500 text-white`}
                      >
                        {activity.actor_detail.first_name.charAt(0)}
                      </div>
                    )}

                    <span className="absolute -bottom-0.5 -right-1 rounded-tl bg-custom-background-80 px-0.5 py-px">
                      <ChatBubbleLeftEllipsisIcon
                        className="h-3.5 w-3.5 text-custom-text-200"
                        aria-hidden="true"
                      />
                    </span>
                  </div>
                  <div className="min-w-0 flex-1">
                    <div>
                      <div className="text-xs">
                        {activity.actor_detail.first_name}
                        {activity.actor_detail.is_bot
                          ? "Bot"
                          : " " + activity.actor_detail.last_name}
                      </div>
                      <p className="mt-0.5 text-xs text-custom-text-200">
                        Commented {timeAgo(activity.created_at)}
                      </p>
                    </div>
                    <div className="issue-comments-section p-0">
                      <RemirrorRichTextEditor
                        value={
                          activity.new_value && activity.new_value !== ""
                            ? activity.new_value
                            : activity.old_value
                        }
                        editable={false}
                        noBorder
                        customClassName="text-xs border border-custom-border-200 bg-custom-background-100"
                      />
                    </div>
                  </div>
                </div>
              </div>
            );
          }

          if ("field" in activity && activity.field !== "updated_by") {
            return (
              <li key={activity.id}>
                <div className="relative pb-1">
                  {activities.length > 1 && activityIdx !== activities.length - 1 ? (
                    <span
                      className="absolute top-5 left-5 -ml-px h-full w-0.5 bg-custom-background-80"
                      aria-hidden="true"
                    />
                  ) : null}
                  <div className="relative flex items-start space-x-2">
                    <>
                      <div>
                        <div className="relative px-1.5">
                          <div className="mt-1.5">
                            <div className="ring-6 flex h-7 w-7 items-center justify-center rounded-full bg-custom-background-80 text-custom-text-200 ring-white">
                              {activity.field ? (
                                activityDetails[activity.field as keyof typeof activityDetails]
                                  ?.icon
                              ) : activity.actor_detail.avatar &&
                                activity.actor_detail.avatar !== "" ? (
                                <img
                                  src={activity.actor_detail.avatar}
                                  alt={activity.actor_detail.first_name}
                                  height={24}
                                  width={24}
                                  className="rounded-full"
                                />
                              ) : (
                                <div
                                  className={`grid h-7 w-7 place-items-center rounded-full border-2 border-white bg-gray-700 text-xs text-white`}
                                >
                                  {activity.actor_detail.first_name.charAt(0)}
                                </div>
                              )}
                            </div>
                          </div>
                        </div>
                      </div>
                      <div className="min-w-0 flex-1 py-3">
                        <div className="text-xs text-custom-text-200">
                          {activity.field === "archived_at" && activity.new_value !== "restore" ? (
                            <span className="text-gray font-medium">Plane</span>
                          ) : (
                            <span className="text-gray font-medium">
                              {activity.actor_detail.first_name}
                              {activity.actor_detail.is_bot
                                ? " Bot"
                                : " " + activity.actor_detail.last_name}
                            </span>
                          )}
                          <span> {action} </span>
                          {activity.field !== "archived_at" && (
                            <span className="text-xs font-medium text-custom-text-100">
                              {" "}
                              {value}{" "}
                            </span>
                          )}
                          <span className="whitespace-nowrap">{timeAgo(activity.created_at)}</span>
                        </div>
                      </div>
                    </>
                  </div>
                </div>
              </li>
            );
          }
        })}
      </ul>
    </div>
  );
};