"use client"

import {
  Info,
  HardDrive,
  File,
  FileText,
  Image as ImageIcon,
} from "lucide-react"
import {
  Tooltip,
  TooltipContent,
  TooltipTrigger,
} from "@/components/ui/tooltip"
import { cn } from "@/lib/utils"
import type { EmailAttachment, EmailAttachmentKind } from "@/lib/email-data"
import {
  attachmentPreviewTooltip,
  resolveAttachmentKind,
  shouldUseAttachmentPillsInPreview,
} from "@/lib/attachment-display"
import { MAIL_TOOLTIP_CONTENT_CLASS } from "@/lib/mail-chrome-classes"

function MessageAttachmentCard({ name, kind }: { name: string; kind: EmailAttachmentKind }) {
  return (
    <>
      <div className="relative flex h-[132px] shrink-0 flex-col items-center justify-center bg-linear-to-b from-muted to-muted/70 dark:from-[#3c4043] dark:to-[#303134]">
        {kind === "image" ? (
          <ImageIcon className="size-11 text-[#9aa0a6]" strokeWidth={1.25} aria-hidden />
        ) : kind === "pdf" ? (
          <div
            className="rounded border border-border bg-mail-surface px-4 py-5 shadow-sm"
            aria-hidden
          >
            <span className="text-[11px] font-bold leading-none text-[#d93025]">PDF</span>
          </div>
        ) : (
          <File className="size-11 text-[#9aa0a6]" strokeWidth={1.25} aria-hidden />
        )}
      </div>
      <div className="flex min-h-[38px] items-center gap-2 border-t border-border bg-muted px-2 py-1.5">
        {kind === "pdf" ? (
          <FileText className="size-4 shrink-0 text-[#d93025]" strokeWidth={1.5} aria-hidden />
        ) : kind === "image" ? (
          <ImageIcon className="size-4 shrink-0 text-[#1a73e8]" strokeWidth={1.5} aria-hidden />
        ) : (
          <File className="size-4 shrink-0 text-[#5f6368]" strokeWidth={1.5} aria-hidden />
        )}
        <span className="min-w-0 flex-1 truncate text-xs leading-tight text-[#3c4043]">
          {name}
        </span>
      </div>
    </>
  )
}

function MessageAttachmentPill({
  name,
  kind,
  sizeBytes,
}: {
  name: string
  kind: EmailAttachmentKind
  sizeBytes?: number
}) {
  const tip = attachmentPreviewTooltip(name, sizeBytes)
  return (
    <Tooltip>
      <TooltipTrigger asChild>
        <button
          type="button"
          className="inline-flex max-w-[min(100%,320px)] min-w-0 shrink-0 items-center gap-2 rounded-full border border-border bg-muted py-1.5 pl-2.5 pr-3 text-left text-sm text-foreground shadow-sm transition hover:border-border hover:bg-accent hover:shadow focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-ring"
        >
          {kind === "pdf" ? (
            <FileText className="size-4 shrink-0 text-[#d93025]" strokeWidth={1.5} aria-hidden />
          ) : kind === "image" ? (
            <ImageIcon className="size-4 shrink-0 text-[#1a73e8]" strokeWidth={1.5} aria-hidden />
          ) : (
            <File className="size-4 shrink-0 text-[#5f6368]" strokeWidth={1.5} aria-hidden />
          )}
          <span className="min-w-0 truncate font-medium">{name}</span>
        </button>
      </TooltipTrigger>
      <TooltipContent side="bottom" className={cn(MAIL_TOOLTIP_CONTENT_CLASS, "max-w-xs whitespace-pre-line text-xs")}>
        {tip}
      </TooltipContent>
    </Tooltip>
  )
}

export function MessageAttachmentsSection({ attachments }: { attachments: EmailAttachment[] }) {
  const n = attachments.length
  if (n === 0) return null

  const summary = n === 1 ? "Une pièce jointe" : `${n} pièces jointes`
  const asPills = shouldUseAttachmentPillsInPreview(attachments)

  return (
    <div className="mt-4 border-t border-border px-4 pb-4 pl-[68px] pt-4 max-sm:pl-4 max-sm:pr-4">
      <div className="mb-3 flex min-w-0 flex-wrap items-center justify-between gap-x-3 gap-y-2">
        <div className="flex min-w-0 max-w-[min(100%,28rem)] items-center gap-1 text-sm text-muted-foreground">
          <span className="min-w-0 truncate">
            {summary}
            <span aria-hidden> · </span>
            <span>Analysé par VirusTotal</span>
          </span>
          <Tooltip delayDuration={400}>
            <TooltipTrigger asChild>
              <button
                type="button"
                className="flex h-7 w-7 shrink-0 items-center justify-center rounded-full text-muted-foreground hover:bg-accent"
                aria-label="Informations sur l'analyse VirusTotal des pièces jointes"
              >
                <Info className="size-4" strokeWidth={1.75} />
              </button>
            </TooltipTrigger>
            <TooltipContent side="bottom" className={cn(MAIL_TOOLTIP_CONTENT_CLASS, "max-w-xs text-xs")}>
              VirusTotal analyse les pièces jointes et les compare à une base de signatures pour
              repérer les virus et logiciels malveillants.
            </TooltipContent>
          </Tooltip>
        </div>
        <button
          type="button"
          className="flex shrink-0 items-center gap-2 rounded-md py-1 pl-1 pr-2 text-sm font-medium text-primary hover:bg-accent"
          aria-label="Ajouter à UltiDrive"
        >
          <HardDrive className="size-[18px] shrink-0" strokeWidth={1.5} aria-hidden />
          Ajouter à UltiDrive
        </button>
      </div>

      <div
        className={
          asPills
            ? "flex flex-wrap gap-2 pb-1"
            : "flex flex-nowrap gap-3 overflow-x-auto overflow-y-hidden pb-1 [-webkit-overflow-scrolling:touch]"
        }
        role="list"
        aria-label="Pièces jointes"
      >
        {attachments.map((att, index) => {
          const kind = resolveAttachmentKind(att.name, att.kind)
          const tip = attachmentPreviewTooltip(att.name, att.sizeBytes)
          if (asPills) {
            return (
              <div key={`${att.name}-${index}`} className="shrink-0" role="listitem">
                <MessageAttachmentPill name={att.name} kind={kind} sizeBytes={att.sizeBytes} />
              </div>
            )
          }
          return (
            <div key={`${att.name}-${index}`} className="shrink-0" role="listitem">
              <Tooltip>
                <TooltipTrigger asChild>
                  <button
                    type="button"
                    className="flex w-[200px] flex-col overflow-hidden rounded border border-border bg-mail-surface text-left shadow-sm transition hover:border-border hover:shadow-md focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-ring"
                  >
                    <MessageAttachmentCard name={att.name} kind={kind} />
                  </button>
                </TooltipTrigger>
                <TooltipContent side="bottom" className={cn(MAIL_TOOLTIP_CONTENT_CLASS, "max-w-xs whitespace-pre-line text-xs")}>
                  {tip}
                </TooltipContent>
              </Tooltip>
            </div>
          )
        })}
      </div>
    </div>
  )
}