CREATE TABLE installations (
	installation_hash TEXT PRIMARY KEY,
	first_seen_at INTEGER NOT NULL,
	last_seen_at INTEGER NOT NULL,
	first_seen_day TEXT NOT NULL,
	app_version TEXT NOT NULL,
	platform TEXT NOT NULL,
	arch TEXT NOT NULL
);

CREATE TABLE daily_active (
	day TEXT NOT NULL,
	installation_hash TEXT NOT NULL,
	app_version TEXT NOT NULL,
	platform TEXT NOT NULL,
	arch TEXT NOT NULL,
	PRIMARY KEY (day, installation_hash),
	FOREIGN KEY (installation_hash) REFERENCES installations (installation_hash)
);

CREATE TABLE error_reports (
	event_id TEXT PRIMARY KEY,
	installation_hash TEXT NOT NULL,
	day TEXT NOT NULL,
	occurred_at TEXT NOT NULL,
	fingerprint TEXT NOT NULL,
	app_version TEXT NOT NULL,
	platform TEXT NOT NULL,
	arch TEXT NOT NULL,
	error_type TEXT NOT NULL,
	message TEXT NOT NULL,
	occurrence_count INTEGER NOT NULL,
	object_key TEXT NULL,
	created_at INTEGER NOT NULL,
	FOREIGN KEY (installation_hash) REFERENCES installations (installation_hash)
);

CREATE INDEX error_reports_day ON error_reports (day);
CREATE INDEX error_reports_fingerprint ON error_reports (fingerprint, day);

CREATE TABLE error_groups (
	fingerprint TEXT NOT NULL,
	app_version TEXT NOT NULL,
	first_seen_day TEXT NOT NULL,
	last_seen_day TEXT NOT NULL,
	occurrence_count INTEGER NOT NULL,
	installation_count INTEGER NOT NULL,
	latest_error_type TEXT NOT NULL,
	latest_message TEXT NOT NULL,
	sample_object_key TEXT NULL,
	PRIMARY KEY (fingerprint, app_version)
);

CREATE TABLE error_daily (
	day TEXT NOT NULL,
	fingerprint TEXT NOT NULL,
	app_version TEXT NOT NULL,
	occurrence_count INTEGER NOT NULL,
	installation_count INTEGER NOT NULL,
	PRIMARY KEY (day, fingerprint, app_version)
);

CREATE TABLE accepted_batches (
	batch_id TEXT PRIMARY KEY,
	installation_hash TEXT NOT NULL,
	accepted_at INTEGER NOT NULL
);

CREATE TABLE daily_totals (
	day TEXT PRIMARY KEY,
	new_installations INTEGER NOT NULL DEFAULT 0,
	active_installations INTEGER NOT NULL DEFAULT 0,
	error_occurrences INTEGER NOT NULL DEFAULT 0,
	distinct_error_groups INTEGER NOT NULL DEFAULT 0
);

CREATE TABLE error_context_budget (
	day TEXT PRIMARY KEY,
	object_count INTEGER NOT NULL CHECK (object_count <= 2000)
);

CREATE TABLE error_context_samples (
	day TEXT NOT NULL,
	fingerprint TEXT NOT NULL,
	app_version TEXT NOT NULL,
	sample_count INTEGER NOT NULL CHECK (sample_count <= 3),
	PRIMARY KEY (day, fingerprint, app_version)
);

CREATE TABLE error_context_reservations (
	event_id TEXT PRIMARY KEY,
	day TEXT NOT NULL,
	fingerprint TEXT NOT NULL,
	app_version TEXT NOT NULL,
	object_key TEXT NOT NULL UNIQUE,
	created_at INTEGER NOT NULL
);

CREATE TRIGGER installations_daily_total
AFTER INSERT ON installations
BEGIN
	INSERT INTO daily_totals (day, new_installations)
	VALUES (NEW.first_seen_day, 1)
	ON CONFLICT (day) DO UPDATE
		SET new_installations = new_installations + 1;
END;

CREATE TRIGGER daily_active_total
AFTER INSERT ON daily_active
BEGIN
	INSERT INTO daily_totals (day, active_installations)
	VALUES (NEW.day, 1)
	ON CONFLICT (day) DO UPDATE
		SET active_installations = active_installations + 1;
END;

CREATE TRIGGER error_report_aggregates
AFTER INSERT ON error_reports
BEGIN
	INSERT INTO error_groups
		(
			fingerprint,
			app_version,
			first_seen_day,
			last_seen_day,
			occurrence_count,
			installation_count,
			latest_error_type,
			latest_message,
			sample_object_key
		)
	VALUES
		(
			NEW.fingerprint,
			NEW.app_version,
			NEW.day,
			NEW.day,
			NEW.occurrence_count,
			1,
			NEW.error_type,
			NEW.message,
			NEW.object_key
		)
	ON CONFLICT (fingerprint, app_version) DO UPDATE
		SET
			last_seen_day = excluded.last_seen_day,
			occurrence_count = occurrence_count + excluded.occurrence_count,
			installation_count = installation_count + CASE
				WHEN NOT EXISTS (
					SELECT 1
					FROM error_reports AS previous
					WHERE
						previous.fingerprint = NEW.fingerprint
						AND previous.app_version = NEW.app_version
						AND previous.installation_hash = NEW.installation_hash
						AND previous.event_id != NEW.event_id
				) THEN 1
				ELSE 0
			END,
			latest_error_type = excluded.latest_error_type,
			latest_message = excluded.latest_message,
			sample_object_key = COALESCE(error_groups.sample_object_key, excluded.sample_object_key);

	INSERT INTO error_daily
		(day, fingerprint, app_version, occurrence_count, installation_count)
	VALUES (NEW.day, NEW.fingerprint, NEW.app_version, NEW.occurrence_count, 1)
	ON CONFLICT (day, fingerprint, app_version) DO UPDATE
		SET
			occurrence_count = occurrence_count + excluded.occurrence_count,
			installation_count = installation_count + CASE
				WHEN NOT EXISTS (
					SELECT 1
					FROM error_reports AS previous
					WHERE
						previous.day = NEW.day
						AND previous.fingerprint = NEW.fingerprint
						AND previous.app_version = NEW.app_version
						AND previous.installation_hash = NEW.installation_hash
						AND previous.event_id != NEW.event_id
				) THEN 1
				ELSE 0
			END;

	INSERT INTO daily_totals (day, error_occurrences, distinct_error_groups)
	VALUES
		(
			NEW.day,
			NEW.occurrence_count,
			CASE
				WHEN NOT EXISTS (
					SELECT 1
					FROM error_reports AS previous
					WHERE
						previous.day = NEW.day
						AND previous.fingerprint = NEW.fingerprint
						AND previous.app_version = NEW.app_version
						AND previous.event_id != NEW.event_id
				) THEN 1
				ELSE 0
			END
		)
	ON CONFLICT (day) DO UPDATE
		SET
			error_occurrences = error_occurrences + excluded.error_occurrences,
			distinct_error_groups = distinct_error_groups + excluded.distinct_error_groups;
END;

CREATE TRIGGER error_context_reservation_budget
AFTER INSERT ON error_context_reservations
BEGIN
	INSERT INTO error_context_budget (day, object_count)
	VALUES (NEW.day, 1)
	ON CONFLICT (day) DO UPDATE SET object_count = object_count + 1;

	INSERT INTO error_context_samples (day, fingerprint, app_version, sample_count)
	VALUES (NEW.day, NEW.fingerprint, NEW.app_version, 1)
	ON CONFLICT (day, fingerprint, app_version) DO UPDATE
		SET sample_count = sample_count + 1;
END;