"use client";

import { ArrowRight, MessageSquareText } from "lucide-react";

import { SectionCard } from "@/components/editor/section-card";
import { Input } from "@/components/ui/input";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import { Textarea } from "@/components/ui/textarea";

import {
  type MessageCompletionPolicy,
  type WorkflowNodeData,
} from "../specs";
import { PanelAnchor } from "./PanelAnchorNavigation";

const COMPLETION_OPTIONS: Array<{
  value: MessageCompletionPolicy;
  label: string;
  description: string;
}> = [
  {
    value: "interruptible",
    label: "可打断",
    description: "用户说话、发文字或图片时立即进入下一节点，并保留这次输入。",
  },
  {
    value: "playback",
    label: "播放完继续",
    description: "播报期间关闭输入，实际播放完成后自动进入下一节点。",
  },
  {
    value: "confirmation",
    label: "确认后继续",
    description: "关闭对话输入并显示弹窗，只有用户在客户端确认后才能继续。",
  },
];

export function MessageNodePanel({
  draft,
  set,
  setPatch,
}: {
  draft: WorkflowNodeData;
  set: (key: string, value: unknown) => void;
  setPatch: (patch: Partial<WorkflowNodeData>) => void;
}) {
  const completionPolicy = draft.completionPolicy ?? "playback";
  const completionDescription = COMPLETION_OPTIONS.find(
    (option) => option.value === completionPolicy,
  )?.description;

  const selectCompletionPolicy = (value: MessageCompletionPolicy) => {
    setPatch({ completionPolicy: value });
  };

  return (
    <>
      <PanelAnchor id="speech">
        <SectionCard
        icon={<MessageSquareText size={15} />}
        title="固定播报"
        description="配置进入 Message 节点后播放的固定话术"
      >
        <label className="block">
          <div className="mb-1.5 text-sm font-medium text-foreground">
            播报内容 <span className="text-destructive">*</span>
          </div>
          <Textarea
            rows={4}
            value={draft.speech ?? ""}
            onChange={(event) => set("speech", event.target.value)}
            placeholder="例如：您好，在开始服务前请确认以下重要信息。"
            className="field-sizing-fixed min-h-28 resize-y border-hairline-strong bg-background text-sm text-foreground placeholder:text-muted-soft"
          />
          <span className="mt-1.5 block text-xs leading-5 text-muted-foreground">
            支持 {"{{variable}}"} 动态变量。
          </span>
        </label>

        {!draft.speech?.trim() && (
          <p role="alert" className="text-xs leading-5 text-destructive">
            请输入播报内容。
          </p>
        )}
        </SectionCard>
      </PanelAnchor>

      <PanelAnchor id="completion">
        <SectionCard
        icon={<ArrowRight size={15} />}
        title="继续方式"
        description="控制 Message 节点何时进入下一节点"
      >
        <div>
          <div className="mb-2 text-sm font-medium text-foreground">继续行为</div>
          <Select
            value={completionPolicy}
            onValueChange={(value: MessageCompletionPolicy) =>
              selectCompletionPolicy(value)
            }
          >
            <SelectTrigger className="w-full border-hairline-strong bg-background">
              <SelectValue />
            </SelectTrigger>
            <SelectContent>
              {COMPLETION_OPTIONS.map((option) => (
                <SelectItem key={option.value} value={option.value}>
                  {option.label}
                </SelectItem>
              ))}
            </SelectContent>
          </Select>
          <p className="mt-1.5 text-xs leading-5 text-muted-foreground">
            {completionDescription}
          </p>
        </div>

        {completionPolicy === "confirmation" && (
          <div className="space-y-3 rounded-xl border border-hairline bg-canvas-soft p-4">
            <div>
              <div className="text-sm font-medium text-foreground">客户端确认消息</div>
              <p className="mt-1 text-xs leading-5 text-muted-foreground">
                使用平台内置弹窗，不需要创建或绑定 Client Tool。
              </p>
            </div>
            <label className="block">
              <span className="mb-1.5 block text-sm font-medium text-foreground">
                弹窗标题
              </span>
              <Input
                value={draft.title ?? ""}
                onChange={(event) => set("title", event.target.value)}
                placeholder="重要提示"
                className="border-hairline-strong bg-background"
              />
            </label>
            <label className="block">
              <span className="mb-1.5 block text-sm font-medium text-foreground">
                重要信息 <span className="text-destructive">*</span>
              </span>
              <Textarea
                rows={4}
                value={draft.message ?? ""}
                onChange={(event) => set("message", event.target.value)}
                placeholder="请输入需要向用户展示的重要信息"
                className="field-sizing-fixed min-h-28 resize-y border-hairline-strong bg-background text-sm text-foreground placeholder:text-muted-soft"
              />
            </label>
            <label className="block">
              <span className="mb-1.5 block text-sm font-medium text-foreground">
                按钮文字
              </span>
              <Input
                value={draft.confirmLabel ?? ""}
                onChange={(event) => set("confirmLabel", event.target.value)}
                placeholder="确认"
                className="border-hairline-strong bg-background"
              />
            </label>
            <p className="border-t border-hairline pt-3 text-xs leading-5 text-muted-foreground">
              确认前禁止语音、文字和图片输入；确认后立即进入下一节点，不等待播报结束。
            </p>
          </div>
        )}
        </SectionCard>
      </PanelAnchor>
    </>
  );
}