_pageDriverVersion = "1.0.1";

// Handle color for icon svg with id="logo" based on the current theme
const logo = document.getElementById("logo");
if(logo) {
	logo.style.fill = getComputedStyle(document.documentElement).getPropertyValue("--bulma-text"); 
}

if(_wrapperVersion === undefined) {
	console.error("API Wrapper not found; Please include the API Wrapper before including the Page Driver");
	exit();
} else {
	console.log("API Wrapper found; Page Driver is ready to use");
}

// Find all tables on the page which have data-dataSource attribute
var tables = document.querySelectorAll("table[data-dataSource]");
//var tables = []

// Get all single values with data-dataSource, data-dataCol and data-dataAction 
var singleValues = document.querySelectorAll("span[data-dataSource]");

// Find all search fields with data-searchTargetId
var searchFields = document.querySelectorAll("input[data-searchTargetId]");

// Find all modalForms
var modalForms = document.querySelectorAll("form[data-targetTable]");

// Iterate over all tables
tables.forEach(async table => {
	console.log("Table found: ", table);
	// Get THEAD and TBODY elements
	const thead = table.querySelector("thead");
	const tbody = table.querySelector("tbody");

	// get index per column
	const columns = thead.querySelectorAll("th");
	const columnIndices = [];
	columns.forEach((column, index) => {
		columnIndices[column.getAttribute("data-dataCol")] = index;
	});

	// All required cols
	let requiredCols = [];
	columns.forEach(column => {
		requiredCols.push(column.getAttribute("data-dataCol"));
	});
	console.log("Required columns: ", requiredCols);

	// Get data from API
	//let result = getRowsByTableAndColumnList(table.getAttribute("data-dataSource"), requiredCols);
	let result = await returnTableDataByTableName(table.getAttribute("data-dataSource"))
	// for (resultIndex in result) {
	// 	const row = result[resultIndex];
	// 	const tr = document.createElement("tr");
	// 	requiredCols.forEach(column => {
	// 		const td = document.createElement("td");
	// 		td.innerHTML = row[column];
	// 		tr.appendChild(td);
	// 	});
	// 	tbody.appendChild(tr);
	// }
	writeDataToTable(table, result);

	console.log("Column indices: ", columnIndices);
});

console.info("Processing single values");
console.info(singleValues);

// Iterate over all single values
singleValues.forEach(async singleValue => {
	writeSingelton(singleValue);
});

async function writeSingelton(element) {
	const table = element.getAttribute("data-dataSource");
	console.log("Table: ", table, " Action: ", element.getAttribute("data-dataAction"), " Element: ", element);
	switch(element.getAttribute("data-dataAction")) {
		case "COUNT": {
			console.log("Count action found");
			element.innerHTML = (await getCountByTable(table))
			break;
		}
		case "SPECIAL": {
			if(table == "version") {
				element.innerHTML = (await getServerVersion())["version"];
				break
			}
			
		}
		default: {
			console.error("Unknown action found: ", element.getAttribute("data-dataAction"));
			break;
		}
	}

	element.classList.remove("is-skeleton");

}


// Attach listeners to search fields
searchFields.forEach(searchField => {
	searchField.addEventListener("input", async function() {
		console.log("Search field changed: ", searchField);
		const targetId = searchField.getAttribute("data-searchTargetId");
		const target = document.getElementById(targetId);
		const table = target.getAttribute("data-dataSource");
		const column = target.getAttribute("data-dataCol");
		const value = searchField.value;
		console.log("Searching for ", value, " in ", table, " column ", column);
		const result = await returnTableDataByTableNameWithSearch(table, value);
		console.log("Result: ", result);
		clearTable(target);
		writeDataToTable(target, result);
	});
});

// Attach listeners to modal forms
modalForms.forEach(modalForm => {
	modalForm.addEventListener("submit", async function(event) {
		event.preventDefault();
		// Check what button submitted the form and if it has data-actionBtn = save
		// If not, close modal
		const pressedBtn = event.submitter;
		if(pressedBtn.getAttribute("data-actionBtn") != "save") {
			modalForm.closest(".modal").classList.remove('is-active');
			return;
		}

	
		// Find .entryPhase and hide it
		const entryPhase = modalForm.querySelector(".entryPhase");
		const loadPhase = modalForm.querySelector(".loadPhase");
		if(entryPhase) {
			entryPhase.classList.add("is-hidden");
		}
		if(loadPhase) {
			loadPhase.classList.remove("is-hidden");
		}
		console.log("Form submitted: ", modalForm);
		const table = modalForm.getAttribute("data-targetTable");
		const data = new FormData(modalForm);
		// Convert to JSON object
		let jsonData = {};
		data.forEach((value, key) => {
			jsonData[key] = value;
		});
		console.log("JSON Data: ", jsonData);
		let resp = await createEntry(table, jsonData);
		console.log("Response: ", resp);
		if(resp["status"] == "CREATED") {
			console.log("Entry created successfully");
			modalForm.closest(".modal").classList.remove('is-active');
			modalForm.reset();
			// Hide loadPhase
			if(loadPhase) {
				loadPhase.classList.add("is-hidden");
			}
			// Show entryPhase
			if(entryPhase) {
				entryPhase.classList.remove("is-hidden");
			}
		} else {
			// Hide loadPhase
			if(loadPhase) {
				loadPhase.classList.add("is-hidden");
			}
			// Show entryPhase
			if(entryPhase) {
				entryPhase.classList.remove("is-hidden");
			}
			// TODO: Show error message
		}

		// const target = document.getElementById(table);
		// writeDataToTable(target, result);
		
		

		// Find all tables with data-searchTargetId set to table
		setTimeout(() => {
			refreshTableByName(table);
			updateSingeltonsByTableName(table);
		}, 500);
	});
});

// Helper
async function refreshTable(table) {
	// Refresh a table while keeping (optionally set) search value
	const searchField = document.querySelector("input[data-searchTargetId='" + table.id + "']");
	if(searchField) {
		const value = searchField.value;
		const dbTable = table.getAttribute("data-dataSource");
		const result = await returnTableDataByTableNameWithSearch(dbTable, value);
		clearTable(table);
		writeDataToTable(table, result);
	} else {
		const result = await returnTableDataByTableName(table.getAttribute("data-dataSource"));
		clearTable(table);
		writeDataToTable(table, result);
	}
}

async function refreshTableByName(name) {
	const dirtyTables = document.querySelectorAll("table[data-dataSource='" + name + "']");
	for(dirty of dirtyTables) {
		refreshTable(dirty);
	}
}

async function updateSingeltonsByTableName(name) {
	const dirtySingles = document.querySelectorAll("span[data-dataSource='" + name + "']");
	for(dirty of dirtySingles) {
		writeSingelton(dirty);
	}
}


function clearTable(table) {
	const tbody = table.querySelector("tbody");
	tbody.innerHTML = "";
}

function writeDataToTable(table, data) {
	console.log("Writing data to table: ", table, data);
	// Get THEAD and TBODY elements
	const thead = table.querySelector("thead");
	const tbody = table.querySelector("tbody");

	// get index per column
	const columns = thead.querySelectorAll("th");
	const columnIndices = [];
	columns.forEach((column, index) => {
		columnIndices[column.getAttribute("data-dataCol")] = index;
	});

	// All required cols
	let requiredCols = [];
	columns.forEach(column => {
		requiredCols.push(column.getAttribute("data-dataCol"));
	});

	for (resultIndex in data) {
		const row = data[resultIndex];
		const tr = document.createElement("tr");
		requiredCols.forEach(column => {
			const td = document.createElement("td");
			td.innerHTML = row[column];
			tr.appendChild(td);
		});
		tbody.appendChild(tr);
	}
}


// Handle modal 
document.addEventListener('DOMContentLoaded', () => {
	// Functions to open and close a modal
	function openModal($el) {
	  $el.classList.add('is-active');
	}
      
	function closeModal($el) {
	  $el.classList.remove('is-active');
	}
      
	function closeAllModals() {
	  (document.querySelectorAll('.modal') || []).forEach(($modal) => {
	    closeModal($modal);
	  });
	}
      
	// Add a click event on buttons to open a specific modal
	(document.querySelectorAll('.js-modal-trigger') || []).forEach(($trigger) => {
	  const modal = $trigger.dataset.target;
	  const $target = document.getElementById(modal);
      
	  $trigger.addEventListener('click', () => {
	    openModal($target);
	  });
	});
      
	// Add a click event on various child elements to close the parent modal
	(document.querySelectorAll('.modal-background, .modal-close, .modal-card-head .delete, .modal-card-foot .button') || []).forEach(($close) => {
	  const $target = $close.closest('.modal');
      
	  $close.addEventListener('click', () => {
	    closeModal($target);
	  });
	});
      
	// Add a keyboard event to close all modals
	document.addEventListener('keydown', (event) => {
	  if(event.key === "Escape") {
	    closeAllModals();
	  }
	});
      });