"use client";

import { APP_NAME } from "@calcom/lib/constants";
import { useLocale } from "@calcom/lib/hooks/useLocale";
import { Button } from "@calcom/ui/components/button";
import { Dialog, DialogContent } from "@calcom/ui/components/dialog";
import { Logo } from "@calcom/ui/components/logo";
import { CheckIcon, UserIcon } from "@coss/ui/icons";

import { useWelcomeToCalcomModal } from "../hooks/useWelcomeToCalcomModal";

const features = [
  "unlimited_calendars",
  "unlimited_event_types",
  "integrate_with_favorite_apps",
  "accept_payments_via_stripe",
  "html_react_embed",
  "cal_ai_phone_agent",
  "cal_video",
];

export function WelcomeToCalcomModal() {
  const { t } = useLocale();
  const { isOpen, closeModal } = useWelcomeToCalcomModal();

  const LARGE = { outer: 48, icon: 24 };
  const RINGS = [60, 95, 130]; // Ring radii in px
  const RING_STROKE = 1;

  return (
    <Dialog open={isOpen} onOpenChange={(open) => !open && closeModal()}>
      <DialogContent size="default" className="p-0!">
        <div className="flex max-h-[80vh] flex-col gap-4 overflow-y-auto p-6">
          <div className="flex flex-col items-center gap-1">
            <Logo className="h-10 w-auto" />
          </div>

          {/* User illustration with rings */}
          <div
            className="relative mx-auto"
            style={{
              width: 320,
              height: 220,
              maskImage: "radial-gradient(ellipse 100% 60% at center, black 30%, transparent 85%)",
              WebkitMaskImage: "radial-gradient(ellipse 100% 60% at center, black 30%, transparent 85%)",
            }}>
            {/* Center origin */}
            <div className="absolute left-1/2 top-1/2" style={{ transform: "translate(-50%, -50%)" }}>
              {/* Rings */}
              {RINGS.map((r, i) => (
                <div
                  key={i}
                  className="pointer-events-none absolute rounded-full border"
                  style={{
                    width: 2 * r,
                    height: 2 * r,
                    left: `calc(50% - ${r}px)`,
                    top: `calc(50% - ${r}px)`,
                    borderWidth: RING_STROKE,
                    borderColor: "var(--cal-border-subtle)",
                  }}
                />
              ))}

              {/* Central user icon */}
              <div
                className="from-default to-muted border-subtle absolute flex items-center justify-center rounded-full border bg-gradient-to-b shadow-sm"
                style={{
                  width: LARGE.outer,
                  height: LARGE.outer,
                  left: "50%",
                  top: "50%",
                  transform: "translate(-50%, -50%)",
                }}>
                <UserIcon className="text-emphasis opacity-70" size={LARGE.icon} />
              </div>
            </div>
          </div>

          <div className="mb-2 flex flex-col gap-2 text-center">
            <h2 className="font-cal text-emphasis text-2xl leading-none">
              {t("welcome_to_calcom", { appName: APP_NAME })}
            </h2>
            <p className="text-default text-sm leading-normal">{t("personal_welcome_description")}</p>
          </div>

          <div className="mb-2 flex flex-col gap-3">
            {features.map((feature) => (
              <div key={feature} className="flex items-start gap-2">
                <CheckIcon className="text-muted mt-0.5 h-4 w-4 shrink-0" />
                <span className="text-default text-sm font-medium leading-tight">{t(feature)}</span>
              </div>
            ))}
          </div>
        </div>

        <div className="bg-muted border-subtle flex shrink-0 items-center justify-between rounded-b-2xl border-t px-8 py-6">
          <Button
            color="minimal"
            href="https://cal.diy"
            target="_blank"
            EndIcon="external-link"
            className="pointer-events-none opacity-0">
            {t("learn_more")}
          </Button>
          <Button color="primary" onClick={closeModal}>
            {t("continue")}
          </Button>
        </div>
      </DialogContent>
    </Dialog>
  );
}