import type { AgentInputDelivery } from "../api/client";
import type { AgentApprovalMode, AgentModelOption } from "../types";
import { AudioLines, CheckCircle2, ChevronDown, Shield, ShieldCheck, Sparkles, Zap } from "lucide-react";
import { AnimatePresence, motion, useReducedMotion } from "motion/react";
import { DropdownMenu, DropdownMenuContent, DropdownMenuItem, DropdownMenuLabel, DropdownMenuRadioGroup, DropdownMenuRadioItem, DropdownMenuTrigger } from "@/shared/ui/dropdown-menu";
import { Button } from "@/shared/ui/button";
import { cn } from "@/shared/ui/cn";
import type { AgentCommandPanelPresentation } from "./agent-command-panel";

const VOICE_WAVE_BARS = [
  { height: 5, duration: 0.72, delay: 0.08 },
  { height: 10, duration: 0.58, delay: 0 },
  { height: 15, duration: 0.66, delay: 0.12 },
  { height: 9, duration: 0.62, delay: 0.04 },
  { height: 4, duration: 0.7, delay: 0.16 }
] as const;

export function VoiceInputButton({
  isListening,
  disabled,
  onClick
}: {
  isListening: boolean;
  disabled: boolean;
  onClick: () => void;
}) {
  const reduceMotion = useReducedMotion();
  const label = isListening ? "停止语音输入" : "语音输入";

  return (
    <motion.button
      type="button"
      aria-label={label}
      aria-pressed={isListening}
      title={label}
      className={cn(
        "agent-panel-voice-input group relative grid size-10 shrink-0 place-items-center overflow-visible rounded-full border-0",
        "bg-transparent shadow-none",
        "transition-[color,background-color,border-color,box-shadow,transform] duration-200",
        "focus-visible:outline-hidden focus-visible:ring-1 focus-visible:ring-[var(--action-focus-ring)] focus-visible:ring-offset-0",
        "disabled:cursor-not-allowed disabled:opacity-45",
        isListening
          ? "status-tone-danger bg-[var(--status-soft)] text-[var(--status-foreground)] [@media(hover:hover)]:hover:border-[var(--status-border)] [@media(hover:hover)]:hover:brightness-95"
          : "text-slate-600 [@media(hover:hover)]:hover:bg-[var(--action-soft)] [@media(hover:hover)]:hover:text-[var(--action-blue-hover)] active:bg-[var(--action-soft-pressed)]"
      )}
      disabled={disabled}
      onClick={onClick}
    >
      {isListening ? (
        <motion.span
          data-slot="voice-input-pulse"
          className="pointer-events-none absolute inset-0 rounded-full bg-[var(--status-mark)] opacity-20"
          aria-hidden="true"
          initial={{ opacity: 0, scale: 0.9 }}
          animate={
            reduceMotion
              ? { opacity: 0.38, scale: 1 }
              : { opacity: [0, 0.4, 0], scale: [0.9, 1, 1.28] }
          }
          transition={
            reduceMotion
              ? { duration: 0.16 }
              : {
                  duration: 1.7,
                  ease: "easeOut",
                  repeat: Infinity,
                  times: [0, 0.12, 1]
                }
          }
        />
      ) : null}

      <span className="relative grid h-5 w-5 place-items-center overflow-hidden">
        <AnimatePresence initial={false} mode="wait">
          {isListening ? (
            <motion.span
              key="voice-wave"
              className="flex h-4 items-center gap-0.5"
              aria-hidden="true"
              initial={{ opacity: 0, scale: 0.72 }}
              animate={{ opacity: 1, scale: 1 }}
              exit={{ opacity: 0, scale: 0.72 }}
              transition={{ duration: 0.16, ease: "easeOut" }}
            >
              {VOICE_WAVE_BARS.map((bar) => (
                <motion.span
                  key={bar.height}
                  className="w-px rounded-full bg-[var(--status-mark)]"
                  style={{ height: bar.height }}
                  animate={
                    reduceMotion ? { scaleY: 0.72 } : { scaleY: [0.38, 1, 0.52, 0.82, 0.38] }
                  }
                  transition={
                    reduceMotion
                      ? { duration: 0.16 }
                      : {
                          duration: bar.duration,
                          delay: bar.delay,
                          ease: "easeInOut",
                          repeat: Infinity
                        }
                  }
                  aria-hidden="true"
                />
              ))}
            </motion.span>
          ) : (
            <motion.span
              key="voice-idle"
              className="grid place-items-center"
              aria-hidden="true"
              initial={{ opacity: 0, scale: 0.72, y: 2 }}
              animate={{ opacity: 1, scale: 1, y: 0 }}
              exit={{ opacity: 0, scale: 0.72, y: -2 }}
              transition={{ duration: 0.16, ease: "easeOut" }}
            >
              <AudioLines
                strokeWidth={2}
                className="size-4 transition-transform duration-200 group-hover:scale-105"
              />
            </motion.span>
          )}
        </AnimatePresence>
      </span>
    </motion.button>
  );
}

const AGENT_SELECT_ITEM_CLASS_NAME =
  "rounded-lg border border-transparent px-2.5 py-2 focus:border-[var(--action-border-hover)] focus:bg-[var(--action-selection-soft-hover)] data-[highlighted]:border-[var(--action-border-hover)] data-[highlighted]:bg-[var(--action-selection-soft-hover)] motion-reduce:transition-none";

function AgentToolbarCaret() {
  return <ChevronDown className="agent-panel-toolbar-caret size-3 shrink-0 opacity-50" aria-hidden="true" />;
}

export function InputDeliverySelect({ presentation, label, value, onValueChange }: {
  presentation: AgentCommandPanelPresentation;
  label: string;
  value: AgentInputDelivery;
  onValueChange?: (delivery: AgentInputDelivery) => void;
}) {
  return <DropdownMenu>
    <DropdownMenuTrigger asChild>
      <Button type="button" variant="ghost" size="sm" aria-label={label}
        title={value === "queue" ? "当前任务结束后处理" : "在下一步补充当前任务"}
        className="agent-panel-toolbar-trigger h-10 shrink-0 gap-1.5 px-2 text-sm font-normal active:scale-95 motion-reduce:transform-none"
        disabled={!onValueChange}>
        {value === "queue" ? "排队" : "引导"}
        <AgentToolbarCaret />
      </Button>
    </DropdownMenuTrigger>
    <DropdownMenuContent data-agent-presentation={presentation} side="top" align="end" sideOffset={6}
      collisionPadding={12} className="agent-panel-overlay agent-panel-control w-44 rounded-xl p-1.5 shadow-lg">
      <DropdownMenuRadioGroup aria-label={label} value={value} onValueChange={(delivery) => {
        if (delivery === "steer" || delivery === "queue") onValueChange?.(delivery);
      }}>
        {([ ["steer", "引导当前任务"], ["queue", "排队处理"] ] as const).map(([delivery, text]) => (
          <DropdownMenuRadioItem key={delivery} value={delivery}
            className={cn(AGENT_SELECT_ITEM_CLASS_NAME, "min-h-10 pl-8 pr-2.5 text-sm",
              value === delivery && "border-[var(--surface-border)] bg-[var(--action-soft)] text-[var(--action-blue-hover)]")}>
            {text}
          </DropdownMenuRadioItem>
        ))}
      </DropdownMenuRadioGroup>
    </DropdownMenuContent>
  </DropdownMenu>;
}

export function ApprovalModeSelect({
  presentation,
  value,
  disabled,
  onValueChange
}: {
  presentation: AgentCommandPanelPresentation;
  value: AgentApprovalMode;
  disabled: boolean;
  onValueChange?: (mode: AgentApprovalMode) => void;
}) {
  const requestApproval = value === "request";

  return (
    <DropdownMenu>
      <DropdownMenuTrigger asChild>
        <Button
          type="button"
          variant="ghost"
          size="sm"
          className="agent-panel-toolbar-trigger h-10 shrink-0 gap-1.5 border-0 bg-transparent px-1.5 text-sm text-slate-600 shadow-none data-[state=open]:bg-[var(--action-soft)] data-[state=open]:text-[var(--action-blue-hover)] focus-visible:ring-1 focus-visible:ring-offset-0"
          disabled={disabled || !onValueChange}
          aria-label="权限批准模式"
          title={requestApproval ? "请求批准" : "始终允许"}
        >
          {requestApproval ? (
            <Shield className="size-4" aria-hidden="true" />
          ) : (
            <ShieldCheck className="size-4" aria-hidden="true" />
          )}
          <span>{requestApproval ? "请求批准" : "始终允许"}</span>
          <AgentToolbarCaret />
        </Button>
      </DropdownMenuTrigger>
      <DropdownMenuContent
        data-agent-presentation={presentation}
        side="top"
        align="start"
        sideOffset={8}
        className="agent-panel-overlay agent-panel-control w-[220px] rounded-xl p-2 shadow-lg"
      >
        <DropdownMenuLabel className="px-2 pb-2 pt-1 text-xs text-[var(--ink-muted)]">
          权限批准模式
        </DropdownMenuLabel>
        <DropdownMenuItem
          className={cn(
            AGENT_SELECT_ITEM_CLASS_NAME,
            "items-start",
            requestApproval && "border-[var(--surface-border)] bg-[var(--action-soft)]"
          )}
          onSelect={() => onValueChange?.("request")}
        >
          <Shield className="mt-0.5 text-[var(--action-blue-hover)]" aria-hidden="true" />
          <span>
            <span className="block text-sm font-semibold text-slate-800">请求批准</span>
            <span className="block text-xs leading-5 text-[var(--ink-muted)]">需要审批的请求逐次确认；只读白名单直接执行</span>
          </span>
          {requestApproval ? (
            <CheckCircle2 className="ml-auto mt-0.5 text-[var(--action-blue-hover)]" aria-hidden="true" />
          ) : null}
        </DropdownMenuItem>
        <DropdownMenuItem
          className={cn(
            AGENT_SELECT_ITEM_CLASS_NAME,
            "mt-1 items-start",
            !requestApproval &&
              "status-tone-success border-[var(--status-border)] bg-[var(--status-soft)]"
          )}
          onSelect={() => onValueChange?.("always")}
        >
          <ShieldCheck
            className="status-tone-success mt-0.5 text-[var(--status-foreground)]"
            aria-hidden="true"
          />
          <span>
            <span className="block text-sm font-semibold text-slate-800">始终允许</span>
            <span className="block text-xs leading-5 text-[var(--ink-muted)]">自动批准本轮工具权限请求，不改变业务权限或安全限制</span>
          </span>
          {!requestApproval ? (
            <CheckCircle2
              className="status-tone-success ml-auto mt-0.5 text-[var(--status-foreground)]"
              aria-hidden="true"
            />
          ) : null}
        </DropdownMenuItem>
      </DropdownMenuContent>
    </DropdownMenu>
  );
}

export function AgentModelSelect({
  presentation,
  models,
  value,
  onValueChange
}: {
  presentation: AgentCommandPanelPresentation;
  models: AgentModelOption[];
  value: string;
  onValueChange?: (model: string) => void;
}) {
  const selectedModel = models.find((model) => model.id === value);

  if (!models.length) {
    return (
      <span className="shrink-0 rounded-md px-2 py-1 text-sm text-[var(--ink-muted)]">模型</span>
    );
  }

  return (
    <DropdownMenu>
      <DropdownMenuTrigger asChild>
        <Button
          type="button"
          variant="ghost"
          size="sm"
          className="agent-panel-toolbar-trigger h-10 w-11 shrink-0 justify-between gap-1 border-0 bg-transparent px-1 text-sm text-slate-600 shadow-none data-[state=open]:bg-[var(--action-soft)] data-[state=open]:text-[var(--action-blue-hover)] focus-visible:ring-1 focus-visible:ring-offset-0 @[400px]/agent-composer:w-auto @[400px]/agent-composer:max-w-40 @[400px]/agent-composer:gap-1.5 @[400px]/agent-composer:px-1.5"
          disabled={!onValueChange}
          aria-label="选择 Agent 模型"
          aria-description={`当前模型：${selectedModel?.label ?? "模型"}`}
          title={selectedModel?.label ?? "模型"}
        >
          <span className="flex min-w-0 flex-1 items-center gap-1">
            <ModelIcon model={selectedModel} />
            <span className="hidden truncate @[400px]/agent-composer:inline">{selectedModel?.label ?? "模型"}</span>
          </span>
          <AgentToolbarCaret />
        </Button>
      </DropdownMenuTrigger>
      <DropdownMenuContent
        data-agent-presentation={presentation}
        side="top"
        align="end"
        sideOffset={8}
        className="agent-panel-overlay agent-panel-control w-[230px] rounded-xl p-2 shadow-lg"
      >
        <DropdownMenuLabel className="px-2 pb-2 pt-1 text-xs text-[var(--ink-muted)]">
          模型选择
        </DropdownMenuLabel>
        <div className="space-y-1">
          {models.map((model) => {
            const selected = model.id === selectedModel?.id;
            return (
              <DropdownMenuItem
                key={model.id}
                className={cn(
                  AGENT_SELECT_ITEM_CLASS_NAME,
                  selected && "border-[var(--surface-border)] bg-[var(--action-soft)]"
                )}
                onSelect={() => onValueChange?.(model.id)}
              >
                <span className="ml-0.5 shrink-0 pt-0.5">
                  <ModelIcon model={model} />
                </span>
                <span className="min-w-0 flex-1">
                  <span className="block truncate text-sm font-semibold text-slate-800">
                    {model.label}
                  </span>
                  <span className="block truncate text-xs leading-4 text-[var(--ink-muted)]">
                    {model.description}
                  </span>
                </span>
                {selected ? (
                  <CheckCircle2 size={15} className={presentation === "desktop-dock" ? "text-[var(--action-blue-hover)]" : "text-[var(--action-blue-hover)]"} aria-hidden="true" />
                ) : null}
              </DropdownMenuItem>
            );
          })}
        </div>
      </DropdownMenuContent>
    </DropdownMenu>
  );
}

function ModelIcon({ model }: { model?: AgentModelOption }) {
  const Icon = model?.icon === "bolt" ? Zap : Sparkles;
  return <Icon className="size-4" aria-hidden="true" />;
}