// components/LLMComparisonDashboard.jsx

"use client";

import React, { useState, useMemo } from "react";
import {
  getScoreBadgeColor,
  formatDisplayKey, // Use this for displaying snake_case keys nicely
  getMetricTooltip,
  getEquityIndicatorStyle, // Use this for Max Equity Gap status
} from "../lib/utils"; // Adjust path as needed
import TaskPerformance from "./TaskPerformance";
import DemographicAnalysis from "./DemographicAnalysis";
import MetricsBreakdown from "./MetricsBreakdown";
import About from "./About";
import { Tooltip } from "./Tooltip"; // Assuming this is your Tooltip component

// Helper component for info tooltips (assuming it exists and works)
const InfoTooltip = ({ text }) => {
  const [isVisible, setIsVisible] = useState(false);
  return (
    <div className="relative inline-block ml-1 align-middle">
      <button
        className="text-gray-400 hover:text-gray-600 focus:outline-none"
        onMouseEnter={() => setIsVisible(true)}
        onMouseLeave={() => setIsVisible(false)}
        onClick={(e) => {
          e.stopPropagation();
          setIsVisible(!isVisible);
        }}
        aria-label="Info"
      >
        <svg
          xmlns="http://www.w3.org/2000/svg"
          className="h-4 w-4"
          viewBox="0 0 20 20"
          fill="currentColor"
        >
          <path
            fillRule="evenodd"
            d="M18 10a8 8 0 11-16 0 8 8 0 0116 0zm-7-4a1 1 0 11-2 0 1 1 0 012 0zM9 9a1 1 0 000 2v3a1 1 0 001 1h1a1 1 0 100-2v-3a1 1 0 00-1-1H9z"
            clipRule="evenodd"
          />
        </svg>
      </button>
      {isVisible && (
        <div className="absolute z-10 w-64 p-2 bg-white border rounded shadow-lg text-xs text-gray-700 -translate-x-1/2 left-1/2 mt-1 normal-case">
          {text}
        </div>
      )}
    </div>
  );
};

// Main dashboard component
const LLMComparisonDashboard = ({ data: processedData }) => {
  const [activeTab, setActiveTab] = useState("overview");
  const [topPerformersView, setTopPerformersView] = useState("high-level");

  // Destructure data - top-level keys are camelCase
  // Nested rawData and equityAnalysis retain original snake_case keys
  const {
    models: rankedModels = [], // This is overallRankingProcessed with camelCase keys
    metricsData = { highLevelCategories: {}, lowLevelMetrics: {} }, // Title Case keys inside
    radarData = [],
    overviewCardData = {}, // camelCase keys inside expected
    rawData = {
      // camelCase keys for objects, snake_case keys inside those objects
      taskLevelPerformance: {},
      mrpDemographics: {},
      demographicOptions: {},
      availableMetrics: [], // Title Case
      tasks: [],
      taskCategories: {},
      taskMetrics: [], // Title Case
      taskMetricsSnake: [], // snake_case
      taskCategoryMap: {},
    },
    bestPerCategory = {}, // Title Case keys
    bestPerMetric = {}, // Title Case keys
    equityAnalysis = {
      // Original snake_case keys
      all_equity_gaps: [],
      model_max_effect_gaps: {},
      universal_issues: [],
      assessment_method: {},
      demographic_variation_stats: {},
    },
    metadata = {}, // Original keys
  } = processedData || {};

  // NEW: Helper function to get color for Max Equity Gap bubble
  const getEquityGapBadgeColor = (model) => {
    const isConcern = model.maxEffectConcernFlag;
    const isSignificant = model.maxEffectSignificant;
    const effectSizeClass = model.maxEffectSizeClass;
    const isLargeEffect = effectSizeClass === "Large";

    if (isConcern && isSignificant && isLargeEffect) {
      return "bg-red-100 text-red-800"; // Equity Concern
    }
    if (isLargeEffect) {
      return "bg-yellow-100 text-yellow-800"; // Large Effect
    }
    if (isSignificant) {
      return "bg-blue-100 text-blue-800"; // Significant
    }
    return "bg-gray-100 text-gray-800"; // No concern
  };

  // UPDATED: Render cell for Max Equity Gap column with bubble design
  const renderMaxEquityGapCell = (model) => {
    // model object has camelCase keys
    const gapValue = model.maxEffectGap;
    const isConcern = model.maxEffectConcernFlag;
    const significanceStatus = model.maxEffectSignificant;
    const pValue = model.maxEffectPValue;
    const effectSizeClass = model.maxEffectSizeClass;
    const isLargeEffect = effectSizeClass === "Large";
    // Access nested details using original snake_case keys
    const gapDetails = model.maxEffectGapDetails || {};
    const ciLower = gapDetails.gap_confidence_interval_95_lower;
    const ciUpper = gapDetails.gap_confidence_interval_95_upper;

    const displayValue =
      typeof gapValue === "number" ? gapValue.toFixed(1) : "N/A";
    if (displayValue === "N/A")
      return <span className="text-xs text-gray-500">N/A</span>;

    const indicator = getEquityIndicatorStyle(
      isConcern,
      isLargeEffect,
      significanceStatus,
      pValue,
      effectSizeClass
    );
    let fullTooltipContent = indicator.tooltip;
    if (typeof ciLower === "number" && typeof ciUpper === "number") {
      fullTooltipContent += `\n95% CI: [${ciLower.toFixed(
        1
      )}, ${ciUpper.toFixed(1)}]`;
    } else {
      fullTooltipContent += `\n95% CI: N/A`;
    }

    return (
      <Tooltip
        content={
          <div className="whitespace-pre-line">{fullTooltipContent}</div>
        }
      >
        <span
          className={`px-2 py-0.5 rounded-full text-xs font-medium ${getEquityGapBadgeColor(
            model
          )}`}
        >
          {displayValue}
        </span>
      </Tooltip>
    );
  };

  // NEW: Helper for equity concerns percentage badge color
  const getEquityConcernBadgeColor = (percentage) => {
    if (percentage === null || percentage === undefined)
      return "bg-gray-100 text-gray-800";
    if (percentage === 0) return "bg-green-100 text-green-800";
    if (percentage <= 2.5) return "bg-blue-100 text-blue-800";
    if (percentage <= 5) return "bg-yellow-100 text-yellow-800";
    return "bg-red-100 text-red-800";
  };

  return (
    <div className="max-w-7xl mx-auto p-4 bg-white">
      {/* Header */}
      <div className="relative mb-6 overflow-hidden">
        <div className="absolute inset-0 bg-gradient-to-br from-blue-50 to-sky-50 opacity-70"></div>
        <div className="relative max-w-5xl mx-auto px-6 py-6">
          <div className="text-center">
            <h1 className="text-4xl font-bold mb-2 tracking-narrow text-blue-700">
              Prolific's AI User Experience Leaderboard
            </h1>

            <p className="text-gray-600 max-w-4xl mx-auto">
              A benchmark assessing how well language models handle real-world
              tasks based on user experiences.
            </p>
          </div>
        </div>
      </div>
      {/* Tab Buttons */}
      <div className="flex flex-wrap mb-6 border-b">
        {[
          "overview",
          "metrics-breakdown",
          "task-performance",
          "demographic-analysis",
          "about",
        ].map((tab) => (
          <button
            key={tab}
            className={`px-4 py-2 font-medium capitalize ${
              activeTab === tab
                ? "text-blue-600 border-b-2 border-blue-600"
                : "text-gray-500 hover:text-gray-700"
            }`}
            onClick={() => setActiveTab(tab)}
          >
            {" "}
            {tab.replace("-", " ")}{" "}
          </button>
        ))}
      </div>
      {/* Overview Tab */}
      {activeTab === "overview" && (
        <div>
          {/* Overall Rankings Card */}
          <div className="mb-6 border rounded-lg overflow-hidden shadow-sm">
            <div className="px-4 py-3 bg-gray-50 border-b">
              <h2 className="text-xl font-semibold text-gray-800">
                Overall Model Rankings
              </h2>
            </div>
            <div className="p-4">
              <div className="overflow-x-auto">
                <table className="w-full min-w-[850px] table-auto divide-y divide-gray-200">
                  <thead>
                    <tr className="bg-gray-50">
                      <th className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider w-12">
                        Rank
                      </th>
                      <th className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider w-48">
                        Model
                      </th>
                      <th className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider w-28">
                        <span>Overall Score</span>
                      </th>
                      <th className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider w-24">
                        <span>Overall SD</span>
                      </th>
                      <th className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider w-32">
                        <span>Max Equity Gap</span>
                      </th>
                      <th className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider w-38">
                        <span>Max Gap Area</span>
                      </th>
                      <th className="px-3 py-2 text-center text-xs font-medium text-gray-500 uppercase tracking-wider w-36">
                        <span>Equity Concerns</span>
                      </th>
                      <th className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider w-32">
                        <span>User Retention</span>
                      </th>
                    </tr>
                  </thead>
                  <tbody className="divide-y divide-gray-200">
                    {/* Use camelCase model object from rankedModels */}
                    {rankedModels.map((model) => (
                      <tr key={model.model} className="hover:bg-gray-50">
                        <td className="px-3 py-3 text-sm font-medium text-gray-900">
                          {model.rank}
                        </td>
                        <td className="px-3 py-3">
                          <div className="flex items-center">
                            <div
                              className="w-3 h-3 rounded-full mr-2 flex-shrink-0"
                              style={{ backgroundColor: model.color }}
                            ></div>
                            <span className="text-sm font-medium text-gray-900">
                              {model.model}
                            </span>
                          </div>
                        </td>
                        <td className="px-3 py-3 text-sm font-semibold text-gray-800">
                          {model.overallScore !== null
                            ? model.overallScore.toFixed(1)
                            : "N/A"}
                        </td>
                        <td className="px-3 py-3 text-sm text-gray-600">
                          {model.stdDevAcrossCats !== "N/A" &&
                          model.stdDevAcrossCats !== null
                            ? `± ${Number(model.stdDevAcrossCats).toFixed(1)}`
                            : "N/A"}
                        </td>
                        <td className="px-3 py-3 text-sm">
                          {renderMaxEquityGapCell(model)}
                        </td>
                        <td className="px-3 py-3">
                          {model.maxEffectFactor &&
                          model.maxEffectFactor !== "N/A" ? (
                            <div className="flex flex-col">
                              <span className="text-xs font-medium text-gray-900">
                                {formatDisplayKey(model.maxEffectFactor)}
                              </span>
                              <span className="text-xs text-gray-500">
                                {formatDisplayKey(model.maxEffectCategory)}
                              </span>
                            </div>
                          ) : (
                            <span className="text-xs text-gray-500">N/A</span>
                          )}
                        </td>
                        <td className="px-3 py-3 text-sm text-center">
                          {model.equityConcernPercentage !== null ? (
                            <span>
                              {model.equityConcernPercentage.toFixed(1)}%
                            </span>
                          ) : (
                            <span className="text-xs text-gray-500">N/A</span>
                          )}
                        </td>
                        <td className="px-3 py-3 text-sm">
                          {model.repeatUsageScore !== null ? (
                            <span
                              className={`px-2 py-0.5 rounded-full text-xs font-medium ${getScoreBadgeColor(
                                model.repeatUsageScore
                              )}`}
                            >
                              {model.repeatUsageScore.toFixed(1)}%
                            </span>
                          ) : (
                            <span className="text-xs text-gray-500">N/A</span>
                          )}
                        </td>
                      </tr>
                    ))}
                  </tbody>
                </table>
              </div>
              {/* UPDATED: Vertical list for column descriptions with detailed info */}
              <div className="mt-4 pt-3 border-t border-gray-200 text-xs text-gray-600">
                {/* Column descriptions in vertical list */}
                <div className="mb-2">
                  <div>
                    <span className="font-semibold">Overall Score:</span> Avg.
                    score across high-level categories
                  </div>
                  <div>
                    <span className="font-semibold">Overall SD:</span> Standard
                    deviation across high-level categories (lower = more
                    consistent)
                  </div>
                  <div>
                    <span className="font-semibold">Max Equity Gap:</span>{" "}
                    Largest demographic score difference (hover for details on
                    significance and effect size)
                  </div>
                  <div>
                    <span className="font-semibold">Max Gap Area:</span>{" "}
                    Demographic group and Category where the Max Equity Gap
                    occurs
                  </div>
                  <div>
                    <span className="font-semibold">Equity Concerns:</span>{" "}
                    Percentage of demographic gaps flagged as concerns (large
                    effect & statistically significant)
                  </div>
                  <div>
                    <span className="font-semibold">User Retention:</span>{" "}
                    Percentage of participants who said they would use the model
                    again
                  </div>
                </div>

                {/* Color key on a single line */}
                <div className="mt-2 pt-2 border-t border-gray-100 flex flex-wrap items-center gap-x-4 gap-y-2">
                  <span className="font-semibold whitespace-nowrap">
                    Color Key:
                  </span>
                  <div className="flex items-center">
                    <span className="inline-block w-4 h-4 rounded-full bg-red-100 mr-1"></span>
                    <span>
                      Equity Concern (Large Effect & Statistically Significant)
                    </span>
                  </div>
                  <div className="flex items-center">
                    <span className="inline-block w-4 h-4 rounded-full bg-yellow-100 mr-1"></span>
                    <span>Large Effect (Not Statistically Significant)</span>
                  </div>
                </div>
              </div>
            </div>
          </div>

          {/* Top Performers Section */}
          <div className="mb-4 flex items-center">
            <h3 className="font-semibold text-xl mr-4">
              Top Performers by Category
            </h3>
            <div className="flex space-x-1 p-1 bg-gray-200 rounded-lg">
              <button
                className={`px-4 py-1.5 text-sm font-medium rounded-md transition-colors duration-150 ${
                  topPerformersView === "high-level"
                    ? "bg-white shadow text-blue-600"
                    : "text-gray-600 hover:text-gray-800"
                }`}
                onClick={() => setTopPerformersView("high-level")}
              >
                {" "}
                High-Level Categories{" "}
              </button>
              <button
                className={`px-4 py-1.5 text-sm font-medium rounded-md transition-colors duration-150 ${
                  topPerformersView === "low-level"
                    ? "bg-white shadow text-blue-600"
                    : "text-gray-600 hover:text-gray-800"
                }`}
                onClick={() => setTopPerformersView("low-level")}
              >
                {" "}
                Low-Level Metrics{" "}
              </button>
            </div>
          </div>
          {/* Top Performers Tables - Access using Title Case keys */}
          {topPerformersView === "high-level" && (
            <div className="border rounded-lg overflow-hidden shadow-sm mb-6">
              <div className="px-4 py-3 bg-gray-50 border-b">
                <h3 className="font-semibold text-gray-800">
                  Top Performers by High-Level Category
                </h3>
              </div>
              <div className="p-4">
                {Object.entries(bestPerCategory || {}).length > 0 ? (
                  <table className="min-w-full divide-y divide-gray-200">
                    <thead>
                      <tr>
                        <th
                          scope="col"
                          className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider"
                        >
                          Category
                        </th>
                        <th
                          scope="col"
                          className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider"
                        >
                          Best Model
                        </th>
                        <th
                          scope="col"
                          className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider"
                        >
                          Score
                        </th>
                      </tr>
                    </thead>
                    <tbody className="bg-white divide-y divide-gray-200">
                      {Object.entries(bestPerCategory)
                        .sort(([a], [b]) => a.localeCompare(b))
                        .map(([catDisplayKey, bestInfo], idx) => (
                          <tr
                            key={catDisplayKey}
                            className={
                              idx % 2 === 0 ? "bg-white" : "bg-gray-50"
                            }
                          >
                            <td className="px-3 py-2 font-medium text-sm text-gray-900">
                              <Tooltip
                                content={getMetricTooltip(catDisplayKey)}
                              >
                                <span>{catDisplayKey}</span>
                              </Tooltip>
                            </td>
                            <td className="px-3 py-2">
                              {bestInfo.model !== "N/A" ? (
                                <div className="flex items-center">
                                  <div
                                    className="w-3 h-3 rounded-full mr-2 shrink-0"
                                    style={{ backgroundColor: bestInfo.color }}
                                  ></div>
                                  <span className="text-sm">
                                    {bestInfo.model}
                                  </span>
                                </div>
                              ) : (
                                <span className="text-sm text-gray-500">
                                  N/A
                                </span>
                              )}
                            </td>
                            <td className="px-3 py-2">
                              {bestInfo.score !== null ? (
                                <span
                                  className={`px-2 py-0.5 rounded-full text-xs font-medium ${getScoreBadgeColor(
                                    bestInfo.score
                                  )}`}
                                >
                                  {bestInfo.score.toFixed(1)}
                                </span>
                              ) : (
                                <span className="text-sm text-gray-500">
                                  N/A
                                </span>
                              )}
                            </td>
                          </tr>
                        ))}
                    </tbody>
                  </table>
                ) : (
                  <p className="text-center text-gray-500 py-4">
                    Top performer data not available.
                  </p>
                )}
                <p className="text-xs text-gray-500 mt-2">
                  Scores based on user ratings, normalized to 0-100.
                </p>
              </div>
            </div>
          )}
          {topPerformersView === "low-level" && (
            <div className="border rounded-lg overflow-hidden shadow-sm mb-6">
              <div className="px-4 py-3 bg-gray-50 border-b">
                <h3 className="font-semibold text-gray-800">
                  Top Performers by Low-Level Metric
                </h3>
              </div>
              <div className="p-4">
                {Object.entries(bestPerMetric || {}).length > 0 ? (
                  <table className="min-w-full divide-y divide-gray-200">
                    <thead>
                      <tr>
                        <th
                          scope="col"
                          className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider"
                        >
                          Metric
                        </th>
                        <th
                          scope="col"
                          className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider"
                        >
                          Best Model
                        </th>
                        <th
                          scope="col"
                          className="px-3 py-2 text-left text-xs font-medium text-gray-500 uppercase tracking-wider"
                        >
                          Score
                        </th>
                      </tr>
                    </thead>
                    <tbody className="bg-white divide-y divide-gray-200">
                      {Object.entries(bestPerMetric)
                        .sort(([a], [b]) => a.localeCompare(b))
                        .map(([metricDisplayKey, bestInfo], idx) => (
                          <tr
                            key={metricDisplayKey}
                            className={
                              idx % 2 === 0 ? "bg-white" : "bg-gray-50"
                            }
                          >
                            <td className="px-3 py-2 font-medium text-sm text-gray-900">
                              <Tooltip
                                content={getMetricTooltip(metricDisplayKey)}
                              >
                                <span>{metricDisplayKey}</span>
                              </Tooltip>
                            </td>
                            <td className="px-3 py-2">
                              {bestInfo.model !== "N/A" ? (
                                <div className="flex items-center">
                                  <div
                                    className="w-3 h-3 rounded-full mr-2 shrink-0"
                                    style={{ backgroundColor: bestInfo.color }}
                                  ></div>
                                  <span className="text-sm">
                                    {bestInfo.model}
                                  </span>
                                </div>
                              ) : (
                                <span className="text-sm text-gray-500">
                                  N/A
                                </span>
                              )}
                            </td>
                            <td className="px-3 py-2">
                              {bestInfo.score !== null ? (
                                <span
                                  className={`px-2 py-0.5 rounded-full text-xs font-medium ${getScoreBadgeColor(
                                    bestInfo.score
                                  )}`}
                                >
                                  {bestInfo.score.toFixed(1)}
                                </span>
                              ) : (
                                <span className="text-sm text-gray-500">
                                  N/A
                                </span>
                              )}
                            </td>
                          </tr>
                        ))}
                    </tbody>
                  </table>
                ) : (
                  <p className="text-center text-gray-500 py-4">
                    Low-level metric top performer data not available.
                  </p>
                )}
                <p className="text-xs text-gray-500 mt-2">
                  Scores based on user ratings, normalized to 0-100.
                </p>
              </div>
            </div>
          )}
        </div>
      )}{" "}
      {/* End Overview Tab */}
      {/* Other Tabs - Pass Correct Props */}
      {activeTab === "metrics-breakdown" && (
        <MetricsBreakdown
          metricsData={metricsData} // Title Case keys inside, plus internalMetricKey
          modelsMeta={rankedModels} // camelCase keys inside
          radarData={radarData}
        />
      )}
      {activeTab === "task-performance" && (
        <TaskPerformance
          rawData={rawData} // Contains camelCase top-level, snake_case nested
          modelsMeta={rankedModels}
          metricsData={metricsData} // Title Case keys inside, plus internalMetricKey
          overviewCardData={overviewCardData}
        />
      )}
      {activeTab === "demographic-analysis" && (
        <DemographicAnalysis
          rawData={rawData} // Contains camelCase top-level, snake_case/Title Case nested
          modelsMeta={rankedModels}
          metricsData={metricsData} // Title Case keys inside, plus internalMetricKey
          equityAnalysis={equityAnalysis} // Original snake_case structure
        />
      )}
      {activeTab === "about" && <About metadata={metadata} />}
    </div>
  );
};

export default LLMComparisonDashboard;