"use client";

import { useState, useEffect } from "react";
import type { LiveRidesResult, LiveRide } from "@/lib/scrapers/queuetimes";

interface LiveRidePanelProps {
  liveRides: LiveRidesResult;
  parkOpenToday: boolean;
  isWeatherDelay?: boolean;
}

export function LiveRidePanel({ liveRides, parkOpenToday, isWeatherDelay }: LiveRidePanelProps) {
  const { rides } = liveRides;
  const hasCoasters = rides.some((r) => r.isCoaster);
  const [coastersOnly, setCoastersOnly] = useState(false);

  // Pre-select coaster filter if Coaster Mode is enabled on the homepage.
  useEffect(() => {
    if (hasCoasters && localStorage.getItem("coasterMode") === "true") {
      setCoastersOnly(true);
    }
  }, [hasCoasters]);

  const visible = coastersOnly ? rides.filter((r) => r.isCoaster) : rides;
  const openRides = visible.filter((r) => r.isOpen);
  const closedRides = visible.filter((r) => !r.isOpen);
  const anyOpen = openRides.length > 0;

  return (
    <div>
      {/* ── Toolbar: summary + coaster toggle ────────────────────────────── */}
      <div style={{
        display: "flex",
        alignItems: "center",
        gap: 10,
        marginBottom: 16,
        flexWrap: "wrap",
      }}>
        {/* Open count badge */}
        {anyOpen ? (
          <div style={{
            background: "var(--color-open-bg)",
            border: "1px solid var(--color-open-border)",
            borderRadius: 20,
            padding: "4px 12px",
            fontSize: "0.72rem",
            fontWeight: 600,
            color: "var(--color-open-hours)",
            flexShrink: 0,
          }}>
            {openRides.length} open
          </div>
        ) : isWeatherDelay ? (
          <div style={{
            background: "var(--color-weather-bg)",
            border: "1px solid var(--color-weather-border)",
            borderRadius: 20,
            padding: "4px 12px",
            fontSize: "0.72rem",
            fontWeight: 600,
            color: "var(--color-weather-text)",
            flexShrink: 0,
          }}>
            ⛈ Weather Delay — all rides currently closed
          </div>
        ) : (
          <div style={{
            background: "var(--color-surface)",
            border: "1px solid var(--color-border)",
            borderRadius: 20,
            padding: "4px 12px",
            fontSize: "0.72rem",
            fontWeight: 500,
            color: "var(--color-text-muted)",
            flexShrink: 0,
          }}>
            {parkOpenToday ? "Not open yet — check back soon" : "No rides open"}
          </div>
        )}

        {/* Closed count badge — always shown when there are closed rides */}
        {closedRides.length > 0 && (
          <div style={{
            background: "var(--color-surface)",
            border: "1px solid var(--color-border)",
            borderRadius: 20,
            padding: "4px 12px",
            fontSize: "0.72rem",
            fontWeight: 500,
            color: "var(--color-text-muted)",
            flexShrink: 0,
          }}>
            {closedRides.length} {anyOpen ? "closed / down" : "rides total"}
          </div>
        )}

        {/* Coaster toggle — only shown when the park has categorised coasters */}
        {hasCoasters && (
          <button
            onClick={() => setCoastersOnly((v) => !v)}
            style={{
              marginLeft: "auto",
              display: "flex",
              alignItems: "center",
              gap: 5,
              padding: "4px 12px",
              borderRadius: 20,
              border: coastersOnly
                ? "1px solid var(--color-accent)"
                : "1px solid var(--color-border)",
              background: coastersOnly
                ? "var(--color-accent-muted)"
                : "var(--color-surface)",
              color: coastersOnly
                ? "var(--color-accent)"
                : "var(--color-text-muted)",
              fontSize: "0.72rem",
              fontWeight: 600,
              cursor: "pointer",
              transition: "background 150ms ease, border-color 150ms ease, color 150ms ease",
              whiteSpace: "nowrap",
            }}
          >
            🎢 Coasters only
          </button>
        )}
      </div>

      {/* ── Ride grid ────────────────────────────────────────────────────── */}
      <div style={{
        display: "grid",
        gridTemplateColumns: "repeat(auto-fill, minmax(280px, 1fr))",
        gap: 6,
      }}>
        {openRides.map((ride) => <RideRow key={ride.name} ride={ride} />)}
        {closedRides.map((ride) => <RideRow key={ride.name} ride={ride} />)}
      </div>

    </div>
  );
}

function RideRow({ ride }: { ride: LiveRide }) {
  const showWait = ride.isOpen && ride.waitMinutes > 0;

  return (
    <div style={{
      display: "flex",
      alignItems: "center",
      justifyContent: "space-between",
      gap: 10,
      padding: "8px 12px",
      background: "var(--color-surface)",
      border: `1px solid ${ride.isOpen ? "var(--color-open-border)" : "var(--color-border)"}`,
      borderRadius: 8,
      opacity: ride.isOpen ? 1 : 0.6,
    }}>
      <div style={{ display: "flex", alignItems: "center", gap: 8, minWidth: 0 }}>
        <span style={{
          width: 7,
          height: 7,
          borderRadius: "50%",
          background: ride.isOpen ? "var(--color-open-text)" : "var(--color-text-dim)",
          flexShrink: 0,
        }} />
        <span title={ride.name} style={{
          fontSize: "0.8rem",
          color: ride.isOpen ? "var(--color-text)" : "var(--color-text-muted)",
          fontWeight: ride.isOpen ? 500 : 400,
          overflow: "hidden",
          textOverflow: "ellipsis",
          whiteSpace: "nowrap",
        }}>
          {ride.name}
        </span>
      </div>
      {showWait && (
        <span style={{
          fontSize: "0.72rem",
          color: "var(--color-open-hours)",
          fontWeight: 600,
          flexShrink: 0,
          whiteSpace: "nowrap",
        }}>
          {ride.waitMinutes} min
        </span>
      )}
      {ride.isOpen && !showWait && (
        <span style={{
          fontSize: "0.68rem",
          color: "var(--color-open-text)",
          fontWeight: 500,
          flexShrink: 0,
          opacity: 0.7,
        }}>
          walk-on
        </span>
      )}
    </div>
  );
}