From a53c2f1a04693bf3085b777bc622623a02a64095 Mon Sep 17 00:00:00 2001
From: "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Date: Mon, 1 May 2023 15:44:44 +0200
Subject: [PATCH] Update the status bar from the events.

---
 events.cpp   | 39 +++++++++++++++++++++++++++++++++++++++
 events.h     |  8 ++++++++
 mainwindow.h |  2 ++
 stats.cpp    | 33 +++++++++++++++++++++++++--------
 4 files changed, 74 insertions(+), 8 deletions(-)

diff --git a/events.cpp b/events.cpp
index 4ff0090..5752d82 100644
--- a/events.cpp
+++ b/events.cpp
@@ -221,3 +221,42 @@ void EventsModel::set_event_type(unsigned pos, const string &type)
 		abort();
 	}
 }
+
+EventsModel::Status EventsModel::get_status_at(uint64_t t)
+{
+	Status s;
+	s.our_score = 0;
+	s.their_score = 0;
+	s.offense = true;
+	uint64_t last_gained_possession = 0;
+	unsigned num_touches = 0;
+	for (const Event &e : events) {
+		if (e.t > t) {
+			break;
+		}
+		if (e.type == "goal") {
+			++s.our_score;
+			s.offense = false;
+			num_touches = 0;
+		}
+		if (e.type == "their_goal") {
+			++s.their_score;
+			s.offense = true;
+			num_touches = 0;
+		}
+		if (e.type == "catch") {
+			if (num_touches == 0) {  // Pick up.
+				last_gained_possession = e.t;
+			}
+			++num_touches;
+		}
+		if (e.type == "interception") {
+			num_touches = 1;
+			s.offense = true;
+			last_gained_possession = e.t;
+		}
+	}
+	s.num_passes = (num_touches == 0) ? 0 : num_touches - 1;
+	s.possession_sec = (s.offense && last_gained_possession != 0) ? (t - last_gained_possession) / 1000 : 0;
+	return s;
+}
diff --git a/events.h b/events.h
index 9dba9cf..db11ed0 100644
--- a/events.h
+++ b/events.h
@@ -29,6 +29,14 @@ public:
 	void delete_event(unsigned row);
 	void set_event_type(unsigned row, const std::string &type);
 
+	struct Status {
+		unsigned our_score, their_score;
+		bool offense;
+		unsigned num_passes;
+		unsigned possession_sec;
+	};
+	Status get_status_at(uint64_t t);
+
 private:
 	struct Player {
 		int player_id;
diff --git a/mainwindow.h b/mainwindow.h
index e78463d..20d8c6c 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -16,9 +16,11 @@ public:
 	void setModel(EventsModel *model);
 
 private:
+	void position_changed(uint64_t pos);
 	void seek(int64_t delta_ms);
 	void set_current_event_type(const std::string &type);
 	void delete_current_event();
+	void update_status();
 
 	Ui::MainWindow *ui;
 	EventsModel *model;
diff --git a/stats.cpp b/stats.cpp
index 437e0ee..460ddd8 100644
--- a/stats.cpp
+++ b/stats.cpp
@@ -41,14 +41,7 @@ MainWindow::MainWindow()
 	ui->setupUi(this);
 
 	connect(player, &QMediaPlayer::positionChanged, [this](uint64_t pos) {
-		ui->timestamp->setText(QString::fromUtf8(format_timestamp(pos)));
-		if (buffered_seek) {
-			player->setPosition(*buffered_seek);
-			buffered_seek.reset();
-		}
-		if (!playing) {
-			player->pause();  // We only played to get a picture.
-		}
+		position_changed(pos);
 	});
 
 	player->setVideoOutput(ui->video);
@@ -115,6 +108,19 @@ MainWindow::MainWindow()
 	connect(ui->delete_, &QPushButton::clicked, [this]() { delete_current_event(); });
 }
 
+void MainWindow::position_changed(uint64_t pos)
+{
+	ui->timestamp->setText(QString::fromUtf8(format_timestamp(pos)));
+	if (buffered_seek) {
+		player->setPosition(*buffered_seek);
+		buffered_seek.reset();
+	}
+	if (!playing) {
+		player->pause();  // We only played to get a picture.
+	}
+	update_status();
+}
+
 void MainWindow::setModel(EventsModel *model)
 {
 	ui->event_view->setModel(model);
@@ -140,6 +146,7 @@ void MainWindow::set_current_event_type(const string &type)
 	}
 	int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 	model->set_event_type(row, type);
+	update_status();
 }
 
 void MainWindow::delete_current_event()
@@ -150,6 +157,16 @@ void MainWindow::delete_current_event()
 	}
 	int row = select->selectedRows().front().row();  // Should only be one, due to our selection behavior.
 	model->delete_event(row);
+	update_status();
+}
+
+void MainWindow::update_status()
+{
+	EventsModel::Status s = model->get_status_at(player->position());
+	char buf[256];
+	snprintf(buf, sizeof(buf), "%d–%d | %s | %d passes, %d sec possession",
+		s.our_score, s.their_score, s.offense ? "offense" : "defense", s.num_passes, s.possession_sec);
+	ui->status->setText(buf);
 }
 
 sqlite3 *open_db(const char *filename)
-- 
2.39.2