import { HStack, Image, Text, VStack } from "@expo/ui/swift-ui";
import {
  font,
  foregroundStyle,
  frame,
  monospacedDigit,
  padding,
} from "@expo/ui/swift-ui/modifiers";
import { createLiveActivity, type LiveActivityEnvironment } from "expo-widgets";

import type { TimeClockActivityProps } from "@/lib/time-clock-live-activity.types";

const TIMER_GREEN = "#4ADE80";
const SUBTLE_TEXT = "#E5E5E5";
const MUTED_TEXT = "#D4D4D4";

function ElapsedText({
  value,
  size,
  weight = "semibold",
}: {
  value: string;
  size: number;
  weight?: "regular" | "medium" | "semibold" | "bold";
}) {
  return (
    <Text
      modifiers={[
        font({ design: "monospaced", weight, size }),
        monospacedDigit(),
        foregroundStyle(TIMER_GREEN),
      ]}
    >
      {value}
    </Text>
  );
}

function BrandMark({ uri, size }: { uri?: string; size: number }) {
  if (uri) {
    return <Image uiImage={uri} modifiers={[frame({ width: size, height: size })]} />;
  }

  return <Image systemName="dollarsign" color="#FAFAFA" size={size} />;
}

function BrandLogo({ uri, height = 18 }: { uri?: string; height?: number }) {
  if (uri) {
    return <Image uiImage={uri} modifiers={[frame({ width: 132, height })]} />;
  }

  return (
    <Text modifiers={[font({ weight: "bold", size: 16 }), foregroundStyle("#FFFFFF")]}>
      beenvoice
    </Text>
  );
}

function TimeClockActivity(props: TimeClockActivityProps, _environment: LiveActivityEnvironment) {
  "widget";

  const title = props.description.trim() || "Timer running";
  const subtitle = [props.clientName, props.invoiceLabel].filter(Boolean).join(" · ");

  return {
    banner: (
      <HStack modifiers={[padding({ all: 14 })]}>
        <BrandLogo uri={props.logoImageUri} />
        <ElapsedText value={props.elapsedShort} size={20} weight="bold" />
      </HStack>
    ),
    compactLeading: <BrandMark uri={props.markImageUri} size={18} />,
    compactTrailing: <ElapsedText value={props.elapsedShort} size={14} />,
    minimal: <ElapsedText value={props.elapsedShort} size={12} weight="bold" />,
    expandedLeading: (
      <VStack modifiers={[padding({ all: 12 })]}>
        <BrandLogo uri={props.logoImageUri} height={20} />
        <Text modifiers={[font({ size: 12, design: "monospaced" }), foregroundStyle(SUBTLE_TEXT)]}>
          {props.clockTime}
        </Text>
      </VStack>
    ),
    expandedTrailing: (
      <VStack modifiers={[padding({ all: 12 })]}>
        <ElapsedText value={props.elapsedShort} size={32} weight="bold" />
        <Text modifiers={[font({ size: 12 }), foregroundStyle(SUBTLE_TEXT)]}>elapsed</Text>
      </VStack>
    ),
    expandedBottom: (
      <VStack modifiers={[padding({ horizontal: 12, bottom: 12 })]}>
        <Text modifiers={[font({ weight: "semibold", size: 15 }), foregroundStyle("#FFFFFF")]}>
          {title}
        </Text>
        {subtitle ? (
          <Text modifiers={[font({ size: 13 }), foregroundStyle(SUBTLE_TEXT)]}>{subtitle}</Text>
        ) : null}
        <HStack>
          <ElapsedText value={props.elapsed} size={12} weight="regular" />
          <Text modifiers={[font({ size: 12 }), foregroundStyle(MUTED_TEXT)]}> total</Text>
        </HStack>
      </VStack>
    ),
  };
}

export default createLiveActivity("TimeClockActivity", TimeClockActivity);