import { useState, useEffect } from "react";
import "./App.css";
import Options from "./components/Options";
import Recipe from "./components/Recipe";
import { setModelLayers } from "./utils/modelCookies";
import { useAPI } from "./hooks/useAPI";
import { devError } from "./utils/devLogger";

function App() {
  const [models, setModels] = useState([]);
  const [selectedModel1, setSelectedModel1] = useState("");
  const [selectedModel2, setSelectedModel2] = useState("");
  const [layerRecipe, setLayerRecipe] = useState([]);
  const [embeddingLambdas, setEmbeddingLambdas] = useState([0.5, 0.5]);
  const [linearLambdas, setLinearLambdas] = useState([0.5, 0.5]);
  const [mergedName, setMergedName] = useState("merged");
  const [numLayers, setNumLayers] = useState(12);
  const [isSpaceLoading, setIsSpaceLoading] = useState(true);

  const { fetchModels, checkTaskStatus } = useAPI();

  useEffect(() => {
    setModelLayers("svamp", 24);
    setModelLayers("tinystories", 24);

    const loadModels = async () => {
      try {
        const taskId = await fetchModels();

        if (taskId) {
          checkTaskStatus(
            taskId,
            (result) => {
              if (result && Array.isArray(result.response)) {
                setModels(result.response);
                setIsSpaceLoading(false);
              }
            },
            (error) => {
              devError("Failed to load models:", error);
              setIsSpaceLoading(false); // Set to false even on error
            }
          );
        } else {
          setIsSpaceLoading(false);
        }
      } catch (error) {
        devError("Error fetching models:", error);
        setIsSpaceLoading(false); // Set to false even on error
      }
    };

    loadModels();
  }, [fetchModels, checkTaskStatus]);

  return (
    <div className="h-screen bg-secondary-50 overflow-hidden">
      {/* GitHub Corner */}
      <a
        href="https://github.com/tcmmichaelb139/evolutiontransformer"
        className="github-corner group absolute top-0 right-0 z-50"
        aria-label="View source on GitHub"
        target="_blank"
        rel="noopener noreferrer"
      >
        <svg
          width="40"
          height="40"
          viewBox="0 0 250 250"
          className="fill-primary-500 text-background absolute top-0 right-0 border-0"
          aria-hidden="true"
        >
          <path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z" />
          <path
            d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
            fill="currentColor"
            className="group-hover:animate-pulse origin-[130px_106px] transition-transform duration-300"
          />
          <path
            d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
            fill="currentColor"
            className="octo-body"
          />
        </svg>
      </a>

      {/* Loading Overlay */}
      {isSpaceLoading && (
        <div className="fixed inset-0 bg-background/90 backdrop-blur-sm z-50 flex items-center justify-center">
          <div className="text-center">
            <div className="animate-spin w-12 h-12 border-4 border-primary-500 border-t-transparent rounded-full mx-auto mb-4"></div>
            <h2 className="text-xl font-semibold text-foreground mb-2">
              Space is starting up...
            </h2>
            <p className="text-secondary-600">
              Initializing Evolution Transformer
            </p>
          </div>
        </div>
      )}

      <Options
        models={models}
        selectedModel1={selectedModel1}
        selectedModel2={selectedModel2}
        setSelectedModel1={setSelectedModel1}
        setSelectedModel2={setSelectedModel2}
        numLayers={numLayers}
        setNumLayers={setNumLayers}
        layerRecipe={layerRecipe}
        embeddingLambdas={embeddingLambdas}
        linearLambdas={linearLambdas}
        setModels={setModels}
        mergedName={mergedName}
        setMergedName={setMergedName}
        isSpaceLoading={isSpaceLoading}
      />
      <Recipe
        layerRecipe={layerRecipe}
        setLayerRecipe={setLayerRecipe}
        embeddingLambdas={embeddingLambdas}
        setEmbeddingLambdas={setEmbeddingLambdas}
        linearLambdas={linearLambdas}
        setLinearLambdas={setLinearLambdas}
        numLayers={numLayers}
        selectedModel1={selectedModel1}
        selectedModel2={selectedModel2}
      />
      <div className="max-w-6xl mx-auto"></div>
    </div>
  );
}

export default App;