import { useLocalizedName } from "@/shared/common/localizedName";
import { useGoal } from "@/user-management/web-Management/hooks/useGoal";
import { useTheme } from "@/user-management/web-Management/hooks/useTheme";
import { useVision } from "@/user-management/web-Management/hooks/useVision";
import React, { useState, useEffect } from "react";
import { useTranslation } from "react-i18next";

const OrganizationGoals = () => {
  const [currentGoalIndex, setCurrentGoalIndex] = useState(0);
  const [isMobile, setIsMobile] = useState(false);
  const localizedName = useLocalizedName();
  const { t } = useTranslation();

  const baseParams = {
    isActive: true,
  };
  const { items } = useGoal(baseParams);
  const { items: theme, unit } = useTheme();
  const { items: vision } = useVision(baseParams);
  const goals: any[] = items ?? [];

  // Auto-rotate goals
  useEffect(() => {
    if (items?.length) {
      const interval = setInterval(() => {
        setCurrentGoalIndex((prevIndex) =>
          prevIndex === goals?.length - 1 ? 0 : prevIndex + 1
        );
      }, 3000);
      return () => clearInterval(interval);
    }
  }, [goals?.length, items]);

  // Responsive
  useEffect(() => {
    const checkScreenSize = () => {
      setIsMobile(window.innerWidth < 768);
    };
    checkScreenSize();
    window.addEventListener("resize", checkScreenSize);
    return () => window.removeEventListener("resize", checkScreenSize);
  }, []);

  const goToGoal = (index: any) => {
    setCurrentGoalIndex(index);
  };

  const currentGoal = goals[currentGoalIndex];

  function lightenColor(color: string, percent: number) {
    const R = parseInt(color.substring(1, 3), 16);
    const G = parseInt(color.substring(3, 5), 16);
    const B = parseInt(color.substring(5, 7), 16);
    const newR = Math.min(255, R + Math.round((255 - R) * (percent / 100)));
    const newG = Math.min(255, G + Math.round((255 - G) * (percent / 100)));
    const newB = Math.min(255, B + Math.round((255 - B) * (percent / 100)));
    return `#${newR.toString(16).padStart(2, "0")}${newG
      .toString(16)
      .padStart(2, "0")}${newB.toString(16).padStart(2, "0")}`;
  }

  return (
    <div
      className="min-h-screen flex items-center justify-center p-4 md:p-8"
      style={{
        background: `linear-gradient(
          to bottom,
          ${
            theme?.find((i) => i.type === "PRIMARY_COLOR")?.value
              ? lightenColor(
                  theme.find((i) => i.type === "PRIMARY_COLOR")!.value,
                  30
                )
              : "var(--primary-300)"
          },
          ${
            theme?.find((i) => i.type === "SECONDARY_COLOR")?.value
              ? lightenColor(
                  theme.find((i) => i.type === "SECONDARY_COLOR")!.value,
                  55
                )
              : "var(--primary-300)"
          }
        )`,
      }}>
      <div className="max-w-6xl w-full">
        {/* Header */}
        <div className="text-center mb-12">
          <div className="flex flex-col md:flex-row items-center justify-center mb-6">
            {/* Logo */}
            <div
              className="overflow-hidden flex items-center justify-center shadow-lg mb-4 md:mb-0 md:mr-6"
              style={{
                width: "150px",
                height: "150px",
                borderRadius: "16px", // change to "50%" for full circle
                flexShrink: 0,
              }}>
              <img
                src={
                  theme?.find((i) => i.type === "LOGO")?.presigned ||
                  "https://www.w3.org/Icons/w3c_home"
                }
                alt={localizedName(unit?.name)}
                className="w-full h-full object-cover"
              />
            </div>

            {/* Text */}
            <div className="max-w-xs md:max-w-md break-words text-center md:text-left">
              <h2 className="text-3xl md:text-4xl font-bold text-gray-800 mb-2 leading-tight">
                {localizedName(unit?.name)}
              </h2>
            </div>
          </div>

          {/* Decorative line */}
          <div
            className="w-32 h-1 mx-auto rounded-full"
            style={{
              background: `linear-gradient(to right, ${
                theme?.find((i) => i.type === "PRIMARY_COLOR")?.value ||
                "#3b82f6"
              }, ${
                theme?.find((i) => i.type === "SECONDARY_COLOR")?.value ||
                "#9333ea"
              })`,
            }}></div>
        </div>

        {/* Goals */}
        <div className="bg-white rounded-2xl shadow-xl overflow-hidden transition-all duration-300 min-h-[470px] hover:shadow-2xl mb-12">
          <div className="flex flex-col md:flex-row">
            <div className="md:w-2/3 p-6 md:p-8 flex flex-col justify-center">
              <div className="mb-6">
                <div className="flex items-center mb-6">
                  <div
                    className="w-12 h-12 rounded-lg flex items-center justify-center mr-4 overflow-hidden"
                    style={{
                      background: `linear-gradient(to right, ${
                        theme?.find((i) => i.type === "SECONDARY_COLOR")
                          ?.value || "#32CD32"
                      }, ${
                        theme?.find((i) => i.type === "SECONDARY_COLOR")
                          ?.value || "#FFFFFF"
                      })`,
                    }}>
                    <img
                      src={
                        currentGoal?.presigned ||
                        "https://www.w3.org/Icons/w3c_home"
                      }
                      alt="Goal Icon"
                      className="w-full h-full object-cover"
                    />
                  </div>

                  <div>
                    <h3 className="text-lg font-semibold text-gray-600 uppercase tracking-wide">
                      {t("Strategic Goal")} {currentGoalIndex + 1} {t("of")}{" "}
                      {goals?.length}
                    </h3>
                    <h2 className="text-2xl md:text-3xl font-bold text-gray-800 mt-1">
                      {localizedName(currentGoal?.goalTitle)}
                    </h2>
                  </div>
                </div>

                <div className="min-h-[120px] flex items-center">
                  <p className="text-gray-700 text-lg leading-relaxed transition-opacity duration-500">
                    {localizedName(currentGoal?.goalDescription) ||
                      t("msg.waitingMsg")}
                  </p>
                </div>
              </div>

              <div className="mt-6">
                <div className="flex justify-between items-center mb-4">
                  <span className="text-gray-600 text-sm">
                    {t("Our Strategic Goals")}
                  </span>
                </div>

                <div className="flex space-x-2 mb-4">
                  {goals?.map((_, index) => (
                    <button
                      key={index}
                      onClick={() => goToGoal(index)}
                      className={`flex-1 h-2 rounded-full transition-all duration-300 ${
                        index !== currentGoalIndex
                          ? "bg-gray-200 hover:bg-gray-300"
                          : ""
                      }`}
                      style={
                        index === currentGoalIndex
                          ? {
                              background: `linear-gradient(to right, ${
                                theme?.find((i) => i.type === "PRIMARY_COLOR")
                                  ?.value || "#00FF00"
                              })`,
                            }
                          : {}
                      }
                      aria-label={t("Go to goal", {
                        index: index + 1,
                        title: localizedName(goals[index].goalTitle),
                      })}
                    />
                  ))}
                </div>

                <div className="flex justify-between">
                  <button
                    onClick={() =>
                      goToGoal(
                        currentGoalIndex === 0
                          ? goals?.length - 1
                          : currentGoalIndex - 1
                      )
                    }
                    className="flex items-center text-gray-600 hover:text-gray-800 transition-colors">
                    <svg
                      xmlns="http://www.w3.org/2000/svg"
                      className="h-5 w-5 mr-1"
                      viewBox="0 0 20 20"
                      fill="currentColor">
                      <path
                        fillRule="evenodd"
                        d="M12.707 5.293a1 1 0 010 1.414L9.414 10l3.293 3.293a1 1 0 01-1.414 1.414l-4-4a1 1 0 010-1.414l4-4a1 1 0 011.414 0z"
                        clipRule="evenodd"
                      />
                    </svg>
                    {t("Previous Goal")}
                  </button>

                  <button
                    onClick={() =>
                      goToGoal(
                        currentGoalIndex === goals?.length - 1
                          ? 0
                          : currentGoalIndex + 1
                      )
                    }
                    className="flex items-center text-gray-600 hover:text-gray-800 transition-colors">
                    {t("Next Goal")}
                    <svg
                      xmlns="http://www.w3.org/2000/svg"
                      className="h-5 w-5 ml-1"
                      viewBox="0 0 20 20"
                      fill="currentColor">
                      <path
                        fillRule="evenodd"
                        d="M7.293 14.707a1 1 0 010-1.414L10.586 10 7.293 6.707a1 1 0 011.414-1.414l4 4a1 1 0 010 1.414l-4 4a1 1 0 01-1.414 0z"
                        clipRule="evenodd"
                      />
                    </svg>
                  </button>
                </div>
              </div>
            </div>

            {/* Vision Section */}
            <div className="md:w-1/3 bg-gradient-to-br from-blue-50 to-indigo-100 p-6 md:p-8 flex flex-col justify-center items-center">
              <div className="text-center">
                <div className="w-32 h-32 mx-auto mb-6 bg-white rounded-2xl shadow-lg overflow-hidden">
                  <img
                    src={
                      currentGoal?.presigned ||
                      "https://www.w3.org/Icons/w3c_home"
                    }
                    alt="Vision Image"
                    className="w-full h-full object-cover"
                  />
                </div>

                <h3 className="text-xl font-bold text-gray-800 mb-2">
                  {localizedName(vision?.[0]?.visionTitle)}
                </h3>
                <p className="text-gray-600">
                  {localizedName(vision?.[0]?.visionDescription)}
                </p>
              </div>
            </div>
          </div>
        </div>
      </div>
    </div>
  );
};

export default OrganizationGoals;
