import { useState, useEffect } from "react"
import Image from "next/image"
import { PlusIcon, MenuIcon, UsersIcon, XIcon } from "@heroicons/react/solid"
import classNames from "clsx"
import { useMediaQuery } from "react-responsive"
import { useSwipeable } from "react-swipeable"

import type { DirectionSidebar } from "./Sidebar"
import { Sidebar } from "./Sidebar"
import { IconButton } from "../design/IconButton"
import { IconLink } from "../design/IconLink"
import { Guilds } from "./Guilds/Guilds"
import { Divider } from "../design/Divider"
import { Members } from "./Members"
import { useAuthentication } from "../../tools/authentication"

export interface ChannelsPath {
  channelId: number
}
export interface GuildsPath {
  guildId: number
}
export interface GuildsChannelsPath extends GuildsPath, ChannelsPath {}

const isGuildsChannelsPath = (path: any): path is GuildsChannelsPath => {
  return path.guildId !== undefined && path.channelId !== undefined
}

export type ApplicationPath =
  | "/application"
  | "/application/guilds/join"
  | "/application/guilds/create"
  | `/application/users/${number}`
  | `/application/users/settings`
  | GuildsChannelsPath
  | GuildsPath

export interface ApplicationProps {
  path: ApplicationPath
  guildLeftSidebar?: React.ReactNode
  title: string
}

export const Application: React.FC<
  React.PropsWithChildren<ApplicationProps>
> = (props) => {
  const { children, path, guildLeftSidebar, title } = props

  const { user } = useAuthentication()

  const [mounted, setMounted] = useState(false)

  const isMobile = useMediaQuery({
    query: "(max-width: 900px)",
  })

  const [visibleSidebars, setVisibleSidebars] = useState({
    left: !isMobile,
    right: false,
  })

  const handleToggleSidebars = (direction: DirectionSidebar): void => {
    if (!isMobile) {
      if (direction === "left") {
        return setVisibleSidebars({
          ...visibleSidebars,
          left: !visibleSidebars.left,
        })
      }
      if (direction === "right") {
        return setVisibleSidebars({
          ...visibleSidebars,
          right: !visibleSidebars.right,
        })
      }
    } else {
      if (direction === "right" && visibleSidebars.left) {
        return setVisibleSidebars({
          left: false,
          right: true,
        })
      }
      if (direction === "left" && visibleSidebars.right) {
        return setVisibleSidebars({
          left: true,
          right: false,
        })
      }
      if (direction === "left" && !visibleSidebars.right) {
        return setVisibleSidebars({
          ...visibleSidebars,
          left: !visibleSidebars.left,
        })
      }
      if (direction === "right" && !visibleSidebars.left) {
        return setVisibleSidebars({
          ...visibleSidebars,
          right: !visibleSidebars.right,
        })
      }
    }
  }

  const handleCloseSidebars = (): void => {
    if (isMobile && (visibleSidebars.left || visibleSidebars.right)) {
      return setVisibleSidebars({
        left: false,
        right: false,
      })
    }
  }

  const swipeableHandlers = useSwipeable({
    trackMouse: false,
    trackTouch: true,
    preventScrollOnSwipe: true,
    onSwipedRight: () => {
      if (visibleSidebars.right) {
        return setVisibleSidebars({ ...visibleSidebars, right: false })
      }
      setVisibleSidebars({
        ...visibleSidebars,
        left: true,
      })
    },
    onSwipedLeft: () => {
      if (isGuildsChannelsPath(path)) {
        if (visibleSidebars.left) {
          return setVisibleSidebars({ ...visibleSidebars, left: false })
        }
        setVisibleSidebars({
          ...visibleSidebars,
          right: true,
        })
      }
    },
  })

  useEffect(() => {
    setMounted(true)
  }, [])

  if (!mounted) {
    return null
  }

  return (
    <>
      <header className="z-50 flex h-16 items-center justify-between bg-gray-200 px-2 py-3 shadow-lg dark:bg-gray-800">
        <IconButton
          className="h-10 w-10 p-2"
          onClick={() => {
            return handleToggleSidebars("left")
          }}
        >
          {!visibleSidebars.left ? <MenuIcon /> : <XIcon />}
        </IconButton>
        <div
          data-cy="application-title"
          className="text-md font-semibold text-green-800 dark:text-green-400"
        >
          {title}
        </div>
        <div className="flex space-x-2">
          {title.startsWith("#") && (
            <IconButton
              data-cy="icon-button-right-sidebar-members"
              className="h-10 w-10 p-2"
              onClick={() => {
                return handleToggleSidebars("right")
              }}
            >
              {!visibleSidebars.right ? <UsersIcon /> : <XIcon />}
            </IconButton>
          )}
        </div>
      </header>

      <main
        className="h-full-without-header relative flex overflow-hidden"
        {...swipeableHandlers}
      >
        <Sidebar
          direction="left"
          visible={visibleSidebars.left}
          isMobile={isMobile}
        >
          <div className="left-0 top-0 z-50 flex min-w-[92px] flex-col space-y-4 border-r-2 border-gray-500 bg-gray-200 py-2 dark:border-white/20 dark:bg-gray-800">
            <IconLink
              href={`/application/users/settings`}
              selected={path === `/application/users/settings`}
              title="Settings"
            >
              <Image
                quality={100}
                className="rounded-full"
                src={
                  user.logo == null
                    ? "/images/data/user-default.png"
                    : user.logo
                }
                alt={"Users's profil picture"}
                draggable={false}
                width={48}
                height={48}
              />
            </IconLink>
            <IconLink
              href="/application"
              selected={path === "/application"}
              title="Join or create a Guild"
            >
              <PlusIcon className="h-12 w-12 text-green-800 dark:text-green-400" />
            </IconLink>
            <Divider />
            <Guilds path={path} />
          </div>
          {guildLeftSidebar}
        </Sidebar>

        <div
          id="application-page-content"
          onClick={handleCloseSidebars}
          className={classNames(
            "h-full-without-header relative top-0 z-0 flex w-full flex-1 flex-col overflow-y-auto transition",
            {
              "absolute opacity-20":
                isMobile && (visibleSidebars.left || visibleSidebars.right),
            },
          )}
        >
          {children}
        </div>

        {isGuildsChannelsPath(path) && (
          <Sidebar
            direction="right"
            visible={visibleSidebars.right}
            isMobile={isMobile}
          >
            <Members />
          </Sidebar>
        )}
      </main>
    </>
  )
}