import { motion } from "motion/react";
import React from "react";
import { TypingText } from "./TypingText";
import { EmojiText } from "../chatbot/EmojiText";
import chatbotAvatarIcon from "../../../assets/chatbot-bot-avatar.png";
import { toPersianDigits } from "../../../utils/persianNumberUtils";

export interface ChatMessage {
  id: string;
  type: "user" | "other" | "loading";
  content: string;
  author?: string;
  timestamp: string;
  isTyping?: boolean;
}

interface ChatMessagesProps {
  messages: ChatMessage[];
  containerRef: React.RefObject<HTMLDivElement>;
  endRef: React.RefObject<HTMLDivElement>;
  onTyping?: () => void;
}

const messageStyles = {
  user: {
    background:
      "linear-gradient(145deg, rgba(218, 94, 142, 0.96) 0%, rgba(162, 56, 110, 0.95) 100%)",
    boxShadow:
      "0 0 24px rgba(240,110,168,0.28), 0 12px 28px rgba(84, 22, 60, 0.38), inset 0 1px 0 rgba(255,255,255,0.16)",
    border: "1px solid rgba(255, 178, 214, 0.58)",
    backdropFilter: "blur(14px)",
    WebkitBackdropFilter: "blur(14px)",
  },
  other: {
    background:
      "linear-gradient(145deg, rgba(52, 34, 76, 0.94) 0%, rgba(35, 24, 62, 0.94) 100%)",
    backgroundImage:
      "linear-gradient(145deg, rgba(52, 34, 76, 0.94) 0%, rgba(35, 24, 62, 0.94) 100%), linear-gradient(120deg, #7c3aed 0%, #f97316 58%, #facc15 100%)",
    backgroundOrigin: "border-box",
    backgroundClip: "padding-box, border-box",
    boxShadow: "0 0 24px rgba(152,104,235,0.24), 0 12px 28px rgba(12, 8, 30, 0.4), inset 0 1px 0 rgba(255,255,255,0.12)",
    border: "0.5px solid transparent",
    backdropFilter: "blur(14px)",
    WebkitBackdropFilter: "blur(14px)",
  },
};

export function ChatMessages({
  messages,
  containerRef,
  endRef,
  onTyping,
}: ChatMessagesProps) {
  return (
    <div
      ref={containerRef}
      className="flex-1 overflow-y-auto px-4 pb-20"
      dir="rtl"
    >
      <div className="space-y-3">
        {messages.map((message) => {
          const isUser = message.type === "user";
          const isLoading = message.type === "loading";

          return (
            <motion.div
              key={message.id}
              initial={{ opacity: 0, y: 10 }}
              animate={{ opacity: 1, y: 0 }}
              className={`flex ${isUser ? "justify-start" : "justify-end"} items-start gap-2`}
            >
              <div
                className="relative max-w-[75%] rounded-[18px] px-4 py-3"
                style={isUser ? messageStyles.user : messageStyles.other}
              >
                {message.author && (
                  <p
                    className="text-xs font-bold mb-1"
                    style={{ color: "#8ACEE0" }}
                  >
                    {message.author}
                  </p>
                )}

                {isLoading ? (
                  <div className="flex items-center gap-1">
                    <motion.span
                      className="w-2 h-2 rounded-full bg-white"
                      animate={{ opacity: [0.3, 1, 0.3] }}
                      transition={{ duration: 1.5, repeat: Infinity, delay: 0 }}
                    />
                    <motion.span
                      className="w-2 h-2 rounded-full bg-white"
                      animate={{ opacity: [0.3, 1, 0.3] }}
                      transition={{ duration: 1.5, repeat: Infinity, delay: 0.2 }}
                    />
                    <motion.span
                      className="w-2 h-2 rounded-full bg-white"
                      animate={{ opacity: [0.3, 1, 0.3] }}
                      transition={{ duration: 1.5, repeat: Infinity, delay: 0.4 }}
                    />
                  </div>
                ) : message.type === "other" && message.isTyping ? (
                  <TypingText text={message.content} speed={30} onTyping={onTyping} />
                ) : (
                  <p className="text-white text-sm break-words whitespace-pre-wrap">
                    <EmojiText text={message.content} />
                  </p>
                )}

                <p className="text-white/60 text-xs mt-1 text-left">
                  {toPersianDigits(message.timestamp)}
                </p>
              </div>
              {!isUser && (
                <div
                  className="-mr-1 mt-1 flex h-11 w-11 flex-shrink-0 items-center justify-center rounded-full"
                  style={{
                    background: "radial-gradient(circle, rgba(255,104,205,0.18) 0%, transparent 68%)",
                    filter:
                      "drop-shadow(0 0 8px rgba(255, 104, 205, 0.55)) drop-shadow(0 0 16px rgba(255, 104, 205, 0.28))",
                  }}
                >
                  <img
                    src={chatbotAvatarIcon}
                    alt="چت‌بات"
                    className="h-10 w-10 object-contain"
                  />
                </div>
              )}
            </motion.div>
          );
        })}

        <div ref={endRef} />
      </div>
    </div>
  );
}