app/front.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Shortest Path Finder</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            background-color: black;
            color: white;
            padding-top: 50px;
        }
        .container {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            position: relative;
        }
        .select-container {
            position: absolute;
            top: 20px;
            left: 0;
            right: 0;
            background-color: black;
            z-index: 1;
            padding: 10px;
        }
        select {
            padding: 10px;
            font-size: 16px;
            margin: 10px;
            background-color: black;
            color: white;
        }
        .images {
            display: flex;
            justify-content: space-around;
            margin-top: 20px;
        }
        .placeholder {
            width: 100px;
            height: 100px;
        }
        img {
            width: 250px;
            height: 250px;
            margin: 10px;
        }
    </style>
</head>
<body>
    <div class="select-container">
        <select id="artist1">
            <option value="">Selecione um artista</option>
        </select>
        <select id="artist2">
            <option value="">Selecione um artista</option>
        </select>
        <button onclick="mostrarMenorCaminho()">Encontrar Caminho</button>
    </div>

    <div class="container" style="display: flex; flex-direction: column;">
        <div class="images" id="artist-images">
            <div id="artist1-image" class="placeholder"></div>
            <div id="artist2-image" class="placeholder"></div>
        </div>
        <div id="path" style="margin-top: 50px;"></div>
    </div>
    

    <script>
        async function carregarNomesDosArtistas() {
            const artist1Select = document.getElementById('artist1');
            const artist2Select = document.getElementById('artist2');

            const response = await fetch('http://127.0.0.1:5001/artist_ids');
            const data = await response.json();
            const artistIds = data.artist_ids;

            for (const artistId of artistIds) {
                const response = await fetch(`http://127.0.0.1:5001/artist_name/${artistId}`);
                const artistData = await response.json();
                
                const option1 = document.createElement('option');
                option1.value = artistId;
                option1.innerText = artistData.artist_name;
                artist1Select.appendChild(option1);

                const option2 = document.createElement('option');
                option2.value = artistId;
                option2.innerText = artistData.artist_name;
                artist2Select.appendChild(option2);
            }
        }

        async function mostrarMenorCaminho() {
            const artist1Id = document.getElementById('artist1').value;
            const artist2Id = document.getElementById('artist2').value;
            if (!artist1Id || !artist2Id) {
                alert('Por favor, selecione dois artistas.');
                return;
            }

            const response = await fetch(`http://127.0.0.1:5001/shortest_path/${artist1Id}/${artist2Id}`);
            const data = await response.json();
            const path = data.path.map(node => node.nome).join(' -> ');
            if(!path) {
                path = 'Inexistente'
            }
            document.getElementById('path').innerText = `Menor caminho: ${path}`;
            
            preencherCaminho(data.path);
        }

        function preencherCaminho(nodes) {
            const pathContainer = document.getElementById('artist-images');
            pathContainer.innerHTML = '';

            for (const node of nodes) {
                const artistDiv = document.createElement('div');
                const image = document.createElement('img');
                const name = document.createElement('p');

                image.src = node.imagem_url;
                image.alt = node.nome;
                name.textContent = node.nome;

                artistDiv.style.textAlign = 'center';
                name.style.marginTop = '5px';

                artistDiv.appendChild(image);
                artistDiv.appendChild(name);

                pathContainer.appendChild(artistDiv);
            }
        }

        document.addEventListener('DOMContentLoaded', () => {
            carregarNomesDosArtistas();
        });
        
    </script>
</body>
</html>