import Link from "next/link";
import type { Park } from "@/lib/scrapers/types";
import type { DayData } from "@/lib/db";
import { getTimezoneAbbr } from "@/lib/env";

interface ParkCardProps {
  park: Park;
  weekDates: string[]; // 7 dates YYYY-MM-DD, Sun–Sat
  parkData: Record<string, DayData>;
  today: string;
  openRideCount?: number;
  coastersOnly?: boolean;
  isClosing?: boolean;
}

const DOW = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];

export function ParkCard({ park, weekDates, parkData, today, openRideCount, coastersOnly, isClosing }: ParkCardProps) {
  const openDays = weekDates.filter((d) => parkData[d]?.isOpen && parkData[d]?.hoursLabel);
  const tzAbbr = getTimezoneAbbr(park.timezone);
  const isOpenToday = openDays.includes(today);

  return (
    <Link
      href={`/park/${park.id}`}
      data-park={park.name.toLowerCase()}
      style={{ textDecoration: "none", display: "block" }}
    >
      <div className="park-card" style={{
        background: "var(--color-surface)",
        border: "1px solid var(--color-border)",
        borderRadius: 12,
        overflow: "hidden",
      }}>
        {/* ── Card header ───────────────────────────────────────────────────── */}
        <div style={{
          padding: "14px 16px 12px",
          display: "flex",
          alignItems: "flex-start",
          justifyContent: "space-between",
          gap: 12,
        }}>
          <div style={{ flex: 1, minWidth: 0 }}>
            <div style={{
              fontSize: "0.95rem",
              fontWeight: 600,
              color: "var(--color-text)",
              lineHeight: 1.2,
            }}>
              {park.name}
            </div>
            <div style={{
              fontSize: "0.72rem",
              color: "var(--color-text-muted)",
              marginTop: 3,
            }}>
              {park.location.city}, {park.location.state}
            </div>
          </div>

          <div style={{ display: "flex", flexDirection: "column", alignItems: "flex-end", gap: 5, flexShrink: 0 }}>
          {isOpenToday ? (
            <div style={{
              background: isClosing ? "var(--color-closing-bg)" : "var(--color-open-bg)",
              border: `1px solid ${isClosing ? "var(--color-closing-border)" : "var(--color-open-border)"}`,
              borderRadius: 20,
              padding: "4px 10px",
              fontSize: "0.65rem",
              fontWeight: 700,
              color: isClosing ? "var(--color-closing-text)" : "var(--color-open-text)",
              whiteSpace: "nowrap",
              letterSpacing: "0.03em",
            }}>
              {isClosing ? "Closing" : "Open today"}
            </div>
          ) : (
            <div style={{
              background: "transparent",
              border: "1px solid var(--color-border)",
              borderRadius: 20,
              padding: "4px 10px",
              fontSize: "0.65rem",
              fontWeight: 500,
              color: "var(--color-text-muted)",
              whiteSpace: "nowrap",
            }}>
              Closed today
            </div>
          )}
          {isOpenToday && openRideCount !== undefined && (
            <div style={{
              fontSize: "0.65rem",
              color: isClosing ? "var(--color-closing-hours)" : "var(--color-open-hours)",
              fontWeight: 500,
              textAlign: "right",
            }}>
              {openRideCount} {coastersOnly
                ? (openRideCount === 1 ? "coaster" : "coasters")
                : (openRideCount === 1 ? "ride" : "rides")} operating
            </div>
          )}
          </div>
        </div>

        {/* ── Open days list ────────────────────────────────────────────────── */}
        {openDays.length > 0 && (
          <div style={{ borderTop: "1px solid var(--color-border-subtle)" }}>
            {openDays.map((date, i) => {
              const dow = new Date(date + "T00:00:00").getDay();
              const isToday = date === today;
              const dayData = parkData[date];
              const isPH = dayData.specialType === "passholder_preview";
              const isLast = i === openDays.length - 1;

              return (
                <div
                  key={date}
                  style={{
                    display: "flex",
                    alignItems: "center",
                    justifyContent: "space-between",
                    padding: "9px 16px",
                    background: isToday ? "var(--color-today-bg)" : "transparent",
                    borderBottom: isLast ? "none" : "1px solid var(--color-border-subtle)",
                  }}
                >
                  <span style={{
                    fontSize: "0.82rem",
                    fontWeight: isToday ? 600 : 400,
                    color: isToday
                      ? "var(--color-today-text)"
                      : "var(--color-text-secondary)",
                  }}>
                    {isToday ? "Today" : DOW[dow]}
                  </span>

                  <div style={{ display: "flex", alignItems: "center", gap: 8 }}>
                    {isPH && (
                      <span style={{
                        fontSize: "0.65rem",
                        fontWeight: 700,
                        color: "var(--color-ph-label)",
                        letterSpacing: "0.04em",
                        textTransform: "uppercase",
                      }}>
                        Passholder
                      </span>
                    )}
                    <span style={{
                      fontSize: "0.82rem",
                      fontWeight: isToday ? 600 : 500,
                      color: isPH
                        ? "var(--color-ph-hours)"
                        : isToday
                        ? "var(--color-today-text)"
                        : "var(--color-open-hours)",
                    }}>
                      {dayData.hoursLabel}{" "}
                      <span style={{ fontSize: "0.68rem", fontWeight: 400, color: "var(--color-text-dim)" }}>
                        {tzAbbr}
                      </span>
                    </span>
                  </div>
                </div>
              );
            })}
          </div>
        )}
      </div>
    </Link>
  );
}