/*
 * Copyright (c) 2010-2020 Belledonne Communications SARL.
 *
 * This file is part of linphone-iphone
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#import "CallPausedTableView.h"
#import "UICallPausedCell.h"
#import "LinphoneManager.h"
#import "Utils.h"

@implementation CallPausedTableView

#pragma mark - UI change

- (void)update {
	[self.tableView reloadData];
	CGRect newOrigin = self.tableView.frame;
	newOrigin.size.height =
		[self tableView:self.tableView heightForRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0]] *
		[self tableView:self.tableView numberOfRowsInSection:0];
	newOrigin.origin.y += self.tableView.frame.size.height - newOrigin.size.height;
	self.tableView.frame = newOrigin;
}

#pragma mark - UITableViewDataSource Functions
- (LinphoneCall *)conferenceCallForRow:(NSInteger)row {
	const MSList *calls = linphone_core_get_calls(LC);
	int i = -1;
	while (calls) {
		if (linphone_call_get_state(calls->data) == LinphoneCallPaused) {
			i++;
			if (i == row)
				break;
		}
		calls = calls->next;
	}
	// we should reach this only when we are querying for conference
	return (calls ? calls->data : NULL);
}

#pragma mark - UITableViewDataSource Functions

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
	NSString *kCellId = NSStringFromClass(UICallPausedCell.class);
	UICallPausedCell *cell = [tableView dequeueReusableCellWithIdentifier:kCellId];
	if (cell == nil) {
		cell = [[UICallPausedCell alloc] initWithIdentifier:kCellId];
	}
	[cell setCall:[self conferenceCallForRow:indexPath.row]];
	cell.contentView.userInteractionEnabled = false;
	return cell;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
	const MSList *calls = linphone_core_get_calls(LC);
	int count = 0;
	int conference_in_pause = 0;
	int call_in_conference = 0;
	while (calls) {
		LinphoneCall *call = calls->data;
		BOOL callInConference = linphone_call_params_get_local_conference_mode(linphone_call_get_current_params(call));
		if (linphone_call_get_state(call) == LinphoneCallPaused) {
			count++;
		}
		if(callInConference) {
			call_in_conference++;
			if (!linphone_core_is_in_conference(LC)) {
				conference_in_pause = 1;
			}
		}
		calls = calls->next;
	}
	if(call_in_conference == 1) {
		conference_in_pause = 0;
	}
	return count + conference_in_pause;
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
	return 1;
}

- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {
	return 1e-5;
}
- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
	return 1e-5;
}

@end