let panel = {}

panel.page;
panel.token = localStorage.admintoken;

panel.preparePage = function(){
	if(!panel.token){
		document.getElementById('auth').style.display = 'flex';
		document.getElementById('tokenSubmit').addEventListener('click', function(){
			panel.verifyToken(document.getElementById('token').value);
		});
		return;
	}
	panel.verifyToken(panel.token, true);
}

panel.verifyToken = function(token, reloadOnError = false){
	
	axios.post('/api/tokens/verify', {
		type: 'admin',
		token: token
	})
  	.then(function (response) {

    	if(response.data.success === false){
    		swal({
				title: "An error ocurred", 
				text: response.data.description, 
				type: "error"
			}, function(){
				if(reloadOnError){
					localStorage.removeItem("admintoken");
					location.reload();
				}
			})
			return;
    	}

    	axios.defaults.headers.common['auth'] = token;
    	localStorage.admintoken = token;
		panel.token = token;
		return panel.prepareDashboard();

  	})
  	.catch(function (error) {
  		return swal("An error ocurred", 'There was an error with the request, please check the console for more information.', "error");
    	console.log(error);
  	});

}

panel.prepareDashboard = function(){
	panel.page = document.getElementById('page');
	document.getElementById('auth').style.display = 'none';
	document.getElementById('dashboard').style.display = 'block';

	document.getElementById('itemUploads').addEventListener('click', function(){
		panel.getUploads();
	});

	document.getElementById('itemManageGallery').addEventListener('click', function(){
		panel.getAlbums();
	});

	document.getElementById('itemTokens').addEventListener('click', function(){
		panel.changeTokens();
	});

	panel.getAlbumsSidebar();
}

panel.getUploads = function(album = undefined){

	let url = '/api/uploads'
	if(album !== undefined)
		url = '/api/album/' + album

	axios.get(url)
  	.then(function (response) {
  		if(response.data.success === false){
  			if(response.data.description === 'not-authorized') return panel.verifyToken(panel.token);
  			else return swal("An error ocurred", response.data.description, "error");		
  		}
    	
    	panel.page.innerHTML = '';
    	var container = document.createElement('div');
		container.innerHTML = `
			<table class="table is-striped is-narrow">
		  		<thead>
		    		<tr>
					      <th>File</th>
					      <th>Album</th>
					      <th>Date</th>
		    		</tr>
		  		</thead>
		  		<tbody id="table">
		  		</tbody>
		  	</table>`;
		panel.page.appendChild(container);

		var table = document.getElementById('table');

		for(var item of response.data.files){

			var tr = document.createElement('tr');
			tr.innerHTML = `
				<tr>
			    	<th><a href="${item.file}" target="_blank">${item.file}</a></th>
			      	<th>${item.album}</th>
			      	<td>${item.date}</td>
			    </tr>
			    `;

			table.appendChild(tr);
		}

  	})
  	.catch(function (error) {
  		return swal("An error ocurred", 'There was an error with the request, please check the console for more information.', "error");
    	console.log(error);
  	});

}

panel.getAlbums = function(){

	axios.get('/api/albums')
  	.then(function (response) {
  		if(response.data.success === false){
  			if(response.data.description === 'not-authorized') return panel.verifyToken(panel.token);
  			else return swal("An error ocurred", response.data.description, "error");		
  		}

  		panel.page.innerHTML = '';
  		var container = document.createElement('div');
		container.className = "container";
		container.innerHTML = `
			<h2 class="subtitle">Create new album</h2>

			<p class="control has-addons has-addons-centered">
			  	<input id="albumName" class="input" type="text" placeholder="Name">
			  	<a id="submitAlbum" class="button is-primary">Submit</a>
			</p>

			<h2 class="subtitle">List of albums</h2>

			<table class="table is-striped is-narrow">
		  		<thead>
		    		<tr>
					      <th>Name</th>
					      <th>Files</th>
					      <th>Created At</th>
		    		</tr>
		  		</thead>
		  		<tbody id="table">
		  		</tbody>
		  	</table>`;

		panel.page.appendChild(container);
		var table = document.getElementById('table');

		for(var item of response.data.albums){

			var tr = document.createElement('tr');
			tr.innerHTML = `
				<tr>
			    	<th>${item.name}</th>
			      	<th>${item.files}</th>
			      	<td>${item.date}</td>
			    </tr>
			    `;

			table.appendChild(tr);
		}

		document.getElementById('submitAlbum').addEventListener('click', function(){
			panel.submitAlbum();
		});


  	})
  	.catch(function (error) {
  		return swal("An error ocurred", 'There was an error with the request, please check the console for more information.', "error");
    	console.log(error);
  	});

}

panel.submitAlbum = function(){
	
	axios.post('/api/albums', {
		name: document.getElementById('albumName').value
	})
  	.then(function (response) {

  		if(response.data.success === false){
  			if(response.data.description === 'not-authorized') return panel.verifyToken(panel.token);
  			else return swal("An error ocurred", response.data.description, "error");		
  		}

    	swal("Woohoo!", "Album was added successfully", "success");
		panel.getAlbumsSidebar();
		panel.getAlbums();
		return;

  	})
  	.catch(function (error) {
  		return swal("An error ocurred", 'There was an error with the request, please check the console for more information.', "error");
    	console.log(error);
  	});

}

panel.getAlbumsSidebar = function(){

	axios.get('/api/albums/sidebar')
  	.then(function (response) {
  		if(response.data.success === false){
  			if(response.data.description === 'not-authorized') return panel.verifyToken(panel.token);
  			else return swal("An error ocurred", response.data.description, "error");		
  		}

  		var albumsContainer = document.getElementById('albumsContainer');
		albumsContainer.innerHTML = '';

		if(response.data.albums === undefined) return;

		for(var album of response.data.albums){

			li = document.createElement('li');
			a = document.createElement('a');
			a.id = album.id;
			a.innerHTML = album.name;

			a.addEventListener('click', function(){
				panel.getAlbum(this);
			});

			li.appendChild(a);
			albumsContainer.appendChild(li);
		}


  	})
  	.catch(function (error) {
  		return swal("An error ocurred", 'There was an error with the request, please check the console for more information.', "error");
    	console.log(error);
  	});

}

panel.getAlbum = function(item){
	panel.getUploads(item.id);
}

panel.changeTokens = function(){

	axios.get('/api/tokens')
  	.then(function (response) {
  		if(response.data.success === false){
  			if(response.data.description === 'not-authorized') return panel.verifyToken(panel.token);
  			else return swal("An error ocurred", response.data.description, "error");		
  		}

  		panel.page.innerHTML = '';
  		var container = document.createElement('div');
		container.className = "container";
		container.innerHTML = `
			<h2 class="subtitle">Manage your tokens</h2>

			<label class="label">Client token:</label>
			<p class="control has-addons">
			  	<input id="clientToken" class="input is-expanded" type="text" placeholder="Your client token">
			  	<a id="submitClientToken" class="button is-primary">Save</a>
			</p>

			<label class="label">Admin token:</label>
			<p class="control has-addons">
			  	<input id="adminToken" class="input is-expanded" type="text" placeholder="Your admin token">
			  	<a id="submitAdminToken" class="button is-primary">Save</a>
			</p>
		`;

		panel.page.appendChild(container);

		document.getElementById('clientToken').value = response.data.clientToken;
		document.getElementById('adminToken').value = response.data.adminToken;

		document.getElementById('submitClientToken').addEventListener('click', function(){
			panel.submitToken('client', document.getElementById('clientToken').value);
		});

		document.getElementById('submitAdminToken').addEventListener('click', function(){
			panel.submitToken('admin', document.getElementById('adminToken').value);
		});


  	})
  	.catch(function (error) {
  		return swal("An error ocurred", 'There was an error with the request, please check the console for more information.', "error");
    	console.log(error);
  	});

}

panel.submitToken = function(type, token){

	axios.post('/api/tokens/change', {
		type: type,
		token: token
	})
  	.then(function (response) {

  		if(response.data.success === false){
  			if(response.data.description === 'not-authorized') return panel.verifyToken(panel.token);
  			else return swal("An error ocurred", response.data.description, "error");		
  		}

    	swal({
			title: "Woohoo!", 
			text: 'Your token was changed successfully.', 
			type: "success"
		}, function(){
			
			if(type === 'client')
				localStorage.token = token;
			else if(type === 'admin')
				localStorage.admintoken = token

			location.reload();
				
		})

  	})
  	.catch(function (error) {
  		return swal("An error ocurred", 'There was an error with the request, please check the console for more information.', "error");
    	console.log(error);
  	});

}

window.onload = function () {
	panel.preparePage();
}