"use client";

import {
  PALETTES,
  THEME_MODES,
  FONT_PAIRS,
  DENSITIES,
  DASH_LAYOUTS,
  CAL_VIEWS,
  NAV_STYLES,
} from "@/modules/_core/themes";
import type {
  Palette,
  ThemeMode,
  FontPair,
  Density,
  DashLayout,
  CalView,
  NavStyle,
} from "@/modules/_core/themes";
import { useTheme } from "@/hooks/use-theme";
import { Label } from "@/components/ui/label";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import { Button } from "@/components/ui/button";
import { cn } from "@/lib/utils";

interface Props {
  initialPalette?: Palette;
  initialMode?: ThemeMode;
  initialFontPair?: FontPair;
  initialDensity?: Density;
  initialDashLayout?: DashLayout;
  initialCalView?: CalView;
  initialNavStyle?: NavStyle;
  signedIn?: boolean;
}

export function ThemePicker({
  initialPalette = "clay",
  initialMode = "system",
  initialFontPair = "serif-sans",
  initialDensity = "regular",
  initialDashLayout = "classic",
  initialCalView = "month",
  initialNavStyle = "rail-desktop",
  signedIn = false,
}: Props) {
  const t = useTheme(
    {
      palette: initialPalette,
      mode: initialMode,
      fontPair: initialFontPair,
      density: initialDensity,
      dashLayout: initialDashLayout,
      calView: initialCalView,
      navStyle: initialNavStyle,
    },
    signedIn,
  );

  return (
    <div className="space-y-5">
      <div className="space-y-1.5">
        <Label>Theme</Label>
        <Select value={t.palette} onValueChange={(v) => t.setPalette(v as Palette)}>
          <SelectTrigger className="w-56">
            <div className="flex items-center gap-2 min-w-0">
              <span
                className="inline-block w-5 h-4 rounded-sm shrink-0 overflow-hidden border-[0.5px]"
                style={{
                  background: `linear-gradient(to bottom, ${
                    PALETTES.find((p) => p.id === t.palette)?.paper ?? "#fff"
                  } 55%, ${PALETTES.find((p) => p.id === t.palette)?.hex ?? "#888"} 55%)`,
                  borderColor: "var(--hair-2)",
                }}
              />
              <SelectValue />
            </div>
          </SelectTrigger>
          <SelectContent>
            {PALETTES.map((p) => (
              <SelectItem key={p.id} value={p.id}>
                <div className="flex items-center justify-between gap-6 w-40">
                  <span>{p.label}</span>
                  <span
                    className="inline-block w-5 h-4 rounded-sm shrink-0 overflow-hidden border-[0.5px]"
                    style={{
                      background: `linear-gradient(to bottom, ${p.paper} 55%, ${p.hex} 55%)`,
                      borderColor: "var(--hair-2)",
                    }}
                  />
                </div>
              </SelectItem>
            ))}
          </SelectContent>
        </Select>
      </div>

      <div className="space-y-1.5">
        <Label>Mode</Label>
        <div className="flex gap-1">
          {THEME_MODES.map((m) => (
            <Button
              key={m.id}
              variant="outline"
              size="sm"
              className={cn(t.mode === m.id && "bg-primary text-primary-foreground")}
              onClick={() => t.setMode(m.id)}
            >
              {m.label}
            </Button>
          ))}
        </div>
      </div>

      <div className="space-y-1.5">
        <Label>Type pairing</Label>
        <Select value={t.fontPair} onValueChange={(v) => t.setFontPair(v as FontPair)}>
          <SelectTrigger className="w-72">
            <SelectValue />
          </SelectTrigger>
          <SelectContent>
            {FONT_PAIRS.map((f) => (
              <SelectItem key={f.id} value={f.id}>
                {f.label}
              </SelectItem>
            ))}
          </SelectContent>
        </Select>
      </div>

      <div className="space-y-1.5">
        <Label>Density</Label>
        <div className="flex gap-1">
          {DENSITIES.map((d) => (
            <Button
              key={d.id}
              variant="outline"
              size="sm"
              className={cn(t.density === d.id && "bg-primary text-primary-foreground")}
              onClick={() => t.setDensity(d.id)}
            >
              {d.label}
            </Button>
          ))}
        </div>
      </div>

      <div className="space-y-1.5">
        <Label>Dashboard layout</Label>
        <Select value={t.dashLayout} onValueChange={(v) => t.setDashLayout(v as DashLayout)}>
          <SelectTrigger className="w-72">
            <SelectValue />
          </SelectTrigger>
          <SelectContent>
            {DASH_LAYOUTS.map((d) => (
              <SelectItem key={d.id} value={d.id}>
                {d.label}
              </SelectItem>
            ))}
          </SelectContent>
        </Select>
      </div>

      <div className="space-y-1.5">
        <Label>Calendar default</Label>
        <div className="flex gap-1">
          {CAL_VIEWS.map((c) => (
            <Button
              key={c.id}
              variant="outline"
              size="sm"
              className={cn(t.calView === c.id && "bg-primary text-primary-foreground")}
              onClick={() => t.setCalView(c.id)}
            >
              {c.label}
            </Button>
          ))}
        </div>
      </div>

      <div className="space-y-1.5">
        <Label>Navigation</Label>
        <Select value={t.navStyle} onValueChange={(v) => t.setNavStyle(v as NavStyle)}>
          <SelectTrigger className="w-72">
            <SelectValue />
          </SelectTrigger>
          <SelectContent>
            {NAV_STYLES.map((n) => (
              <SelectItem key={n.id} value={n.id}>
                {n.label}
              </SelectItem>
            ))}
          </SelectContent>
        </Select>
        <p className="text-xs text-muted-foreground">
          Mobile (under 760px) always uses bottom nav + FAB.
        </p>
      </div>
    </div>
  );
}