/*
    Society Self-Service
    Copyright © 2018  Yingtong Li (RunasSudo)

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

$('.ui.accordion').accordion();

function recalcRevTotal(args) {
	var total = 0;
	var totalIWT = 0;
	for (var row of args.grid.data) {
		total += row['Unit price'] * row['Units'];
		if (row['Unit price'] > 0 && row['IWT']) {
			totalIWT += (row['Unit price'] - (row['Unit price'] - 0.8) / 1.019) * row['Units'];
		}
	}
	
	$(args.grid._body).find('.totalrow').remove();
	
	if (totalIWT > 0) {
		var totalrow = $('<tr class="jsgrid-row totalrow" style="font-style: italic;"></tr>');
		totalrow.append($('<td class="jsgrid-cell">Less IWT fees:</td>').prop('colspan', args.grid.fields.length - (editing ? 2 : 1)));
		totalrow.append($('<td class="jsgrid-cell jsgrid-align-right"></td>').text('($' + totalIWT.toFixed(2) + ')'));
		if (editing) {
			totalrow.append($('<td class="jsgrid-cell"></td>'));
		}
		$(args.grid._body).find('tr:last').after(totalrow);
	}
	
	var totalrow = $('<tr class="jsgrid-row totalrow" style="font-weight: bold;"></tr>');
	totalrow.append($('<td class="jsgrid-cell">Total:</td>').prop('colspan', args.grid.fields.length - (editing ? 2 : 1)));
	totalrow.append($('<td class="jsgrid-cell jsgrid-align-right"></td>').text('$' + (total - totalIWT).toFixed(2)));
	if (editing) {
		totalrow.append($('<td class="jsgrid-cell"></td>'));
	}
	$(args.grid._body).find('tr:last').after(totalrow);
}

function recalcExpTotal(args) {
	var total = 0;
	for (var row of args.grid.data) {
		total += row['Unit price'] * row['Units'];
	}
	
	$(args.grid._body).find('.totalrow').remove();
	
	var emergency_fund_mult = 0.05;
	if ($('#expense_no_emergency_fund').length > 0 && $('#expense_no_emergency_fund').prop('checked')) {
		emergency_fund_mult = 0;
	}
	
	var totalrow = $('<tr class="jsgrid-row totalrow" style="font-style: italic;"></tr>');
	totalrow.append($('<td class="jsgrid-cell">Plus emergency fund:</td>').prop('colspan', args.grid.fields.length - (editing ? 2 : 1)));
	totalrow.append($('<td class="jsgrid-cell jsgrid-align-right"></td>').text('$' + (total * emergency_fund_mult).toFixed(2)));
	if (editing) {
		totalrow.append($('<td class="jsgrid-cell"></td>'));
	}
	$(args.grid._body).find('tr:last').after(totalrow);
	
	var totalrow = $('<tr class="jsgrid-row totalrow" style="font-weight: bold;"></tr>');
	totalrow.append($('<td class="jsgrid-cell">Total:</td>').prop('colspan', args.grid.fields.length - (editing ? 2 : 1)));
	totalrow.append($('<td class="jsgrid-cell jsgrid-align-right"></td>').text('$' + (total * (1 + emergency_fund_mult)).toFixed(2)));
	if (editing) {
		totalrow.append($('<td class="jsgrid-cell"></td>'));
	}
	$(args.grid._body).find('tr:last').after(totalrow);
}

// Allow floats
function FloatNumberField(config) {
	jsGrid.NumberField.call(this, config);
}
FloatNumberField.prototype = new jsGrid.NumberField({
	filterValue: function() {
		return parseFloat(this.filterControl.val());
	},
	insertValue: function() {
		return parseFloat(this.insertControl.val());
	},
	editValue: function() {
		return parseFloat(this.editControl.val());
	}
});
jsGrid.fields.float = FloatNumberField;

function makeGrid() {
	f = [
		{ name: 'Description', type: 'text', width: '50%', validate: 'required' },
		{ name: 'Unit price', type: 'float', width: '12.5%', validate: 'required', itemTemplate: function(value, item) { return '$' + value.toFixed(2); } },
		{ name: 'Units', type: 'float', width: '12.5%', validate: 'required' },
		{ name: 'IWT', type: 'checkbox', width: '5%', insertTemplate: function() { var result = jsGrid.fields.checkbox.prototype.insertTemplate.call(this); result.prop('checked', true); return result; } },
		{ name: 'Total', align: 'right', width: '10%', itemTemplate: function(value, item) { return '$' + (item['Unit price'] * item['Units']).toFixed(2); } },
	];
	if (editing) {
		f.push({ type: 'control', width: '10%', modeSwitchButton: false });
	}
	
	$('#revenue_grid').jsGrid({
		width: '100%',
		height: editing ? '20em' : 'auto',
		inserting: editing,
		editing: editing,
		noDataContent: editing ? 'No entries. Click the green plus icon at the top right to add a new row.' : 'No entries',
		data: revenue_data,
		fields: f,
		onItemUpdated: recalcRevTotal,
		onRefreshed: recalcRevTotal,
	});
	
	f = [
		{ name: 'Description', type: 'text', width: '50%', validate: 'required' },
		{ name: 'Unit price', type: 'float', width: '12.5%', validate: 'required', itemTemplate: function(value, item) { return '$' + value.toFixed(2); } },
		{ name: 'Units', type: 'float', width: '12.5%', validate: 'required' },
		{ name: 'Total', align: 'right', width: '10%', itemTemplate: function(value, item) { return '$' + (item['Unit price'] * item['Units']).toFixed(2); } },
	]
	if (editing) {
		f.push({ type: 'control', width: '10%', modeSwitchButton: false });
	}
	
	$('#expense_grid').jsGrid({
		width: '100%',
		height: editing ? '20em' : 'auto',
		inserting: editing,
		editing: editing,
		noDataContent: editing ? 'No entries. Click the green plus icon at the top right to add a new row.' : 'No entries',
		data: expense_data,
		fields: f,
		onItemUpdated: recalcExpTotal,
		onRefreshed: recalcExpTotal,
	});
}