# telemetry-synology.bats — Tests for Synology telemetry agent

LIBDIR="$(cd "$BATS_TEST_DIRNAME/../.."/package/kit-busrouter/files/usr/lib/busrouter && pwd)"

setup() {
	export LIB_DIR="$LIBDIR"
	export AIWANBAL_STATE_DIR="$BATS_TMPDIR/aiwanbal"
	export TELEMETRY_BUFFER_DIR="$BATS_TMPDIR/telemetry-buf"
	export TELEMETRY_HUB="http://10.88.0.1:8080/api/telemetry"
	rm -rf "$AIWANBAL_STATE_DIR" "$TELEMETRY_BUFFER_DIR"
	mkdir -p "$AIWANBAL_STATE_DIR"

	# Seed minimal aiwanbal state for collection tests
	printf '85\n'  > "$AIWANBAL_STATE_DIR/wan1_score_avg"
	printf '15\n'  > "$AIWANBAL_STATE_DIR/wan1_latency"
	printf '50000000\n' > "$AIWANBAL_STATE_DIR/wan1_throughput"    # 50 Mbps
	printf '10000000\n' > "$AIWANBAL_STATE_DIR/wan1_upload"
	printf '2\n'   > "$AIWANBAL_STATE_DIR/wan1_jitter"
	printf '0\n'   > "$AIWANBAL_STATE_DIR/wan1_packet_loss"
	printf -- '-80\n' > "$AIWANBAL_STATE_DIR/wan1_rsrp"
	printf -- '-12\n' > "$AIWANBAL_STATE_DIR/wan1_rsrq"
	printf '8\n'   > "$AIWANBAL_STATE_DIR/wan1_sinr"
	printf '5G-NR\n' > "$AIWANBAL_STATE_DIR/wan1_technology"
	printf 'eyeride\n' > "$AIWANBAL_STATE_DIR/wan1_modem_type"

	printf '70\n'  > "$AIWANBAL_STATE_DIR/wan2_score_avg"
	printf '25\n'  > "$AIWANBAL_STATE_DIR/wan2_latency"
	printf '30000000\n' > "$AIWANBAL_STATE_DIR/wan2_throughput"
	printf '5000000\n'  > "$AIWANBAL_STATE_DIR/wan2_upload"
	printf '5\n'   > "$AIWANBAL_STATE_DIR/wan2_jitter"
	printf '1\n'   > "$AIWANBAL_STATE_DIR/wan2_packet_loss"
	printf -- '-90\n' > "$AIWANBAL_STATE_DIR/wan2_rsrp"
	printf 'generic\n' > "$AIWANBAL_STATE_DIR/wan2_modem_type"

	printf 'active\n' > "$AIWANBAL_STATE_DIR/wan0_mode"

	# Fake device identity
	mkdir -p /etc/busrouter
	printf 'B0042\n' > /etc/busrouter/device-id
	printf '1.0\n'   > /etc/busrouter/version

	# Load the library under test
	load '../../package/kit-busrouter/files/usr/lib/busrouter/telemetry-synology.sh'
}

teardown() {
	rm -rf "$AIWANBAL_STATE_DIR" "$TELEMETRY_BUFFER_DIR"
	rm -f /etc/busrouter/device-id /etc/busrouter/version
}

# ── Data collection ──────────────────────────────────────────────────────────────

@test "telemetry_synology_collect: output contains required JSON keys" {
	run telemetry_synology_collect
	[ "$status" -eq 0 ]
	echo "$output" | grep -q '"device_id"'
	echo "$output" | grep -q '"timestamp"'
	echo "$output" | grep -q '"uptime"'
	echo "$output" | grep -q '"version"'
	echo "$output" | grep -q '"platform":"synology"'
	echo "$output" | grep -q '"gps"'
	echo "$output" | grep -q '"wan"'
	echo "$output" | grep -q '"wan1"'
	echo "$output" | grep -q '"wan2"'
	echo "$output" | grep -q '"starlink"'
	echo "$output" | grep -q '"sel_primary"'
}

@test "telemetry_synology_collect: device_id from identity file" {
	run telemetry_synology_collect
	[ "$status" -eq 0 ]
	echo "$output" | grep -q '"device_id":"B0042"'
}

@test "telemetry_synology_collect: falls back to hostname when identity file missing" {
	rm -f /etc/busrouter/device-id
	run telemetry_synology_collect
	[ "$status" -eq 0 ]
	# Should contain a device_id (whatever hostname returns)
	echo "$output" | grep -q '"device_id"'
}

@test "telemetry_synology_collect: handles missing state files gracefully" {
	rm -rf "$AIWANBAL_STATE_DIR"
	mkdir -p "$AIWANBAL_STATE_DIR"
	# No state files at all — should still produce valid JSON
	run telemetry_synology_collect
	[ "$status" -eq 0 ]
	echo "$output" | grep -q '"wan1"'
	echo "$output" | grep -q '"wan2"'
}

@test "telemetry_synology_collect: sel_primary is wan1 in active mode" {
	printf 'active\n' > "$AIWANBAL_STATE_DIR/wan0_mode"
	run telemetry_synology_collect
	[ "$status" -eq 0 ]
	echo "$output" | grep -q '"sel_primary":"wan1"'
}

@test "telemetry_synology_collect: sel_primary is wan2 in failover when wan2 up" {
	printf 'failover\n' > "$AIWANBAL_STATE_DIR/wan0_mode"
	printf 'up\n' > "$AIWANBAL_STATE_DIR/wan2_state"
	run telemetry_synology_collect
	[ "$status" -eq 0 ]
	echo "$output" | grep -q '"sel_primary":"wan2"'
}

@test "telemetry_synology_collect: wan JSON includes cellular metadata" {
	run telemetry_synology_collect
	[ "$status" -eq 0 ]
	echo "$output" | grep -q '"rsrp_dbm"'
	echo "$output" | grep -q '"technology"'
	echo "$output" | grep -q '"carrier"'
	echo "$output" | grep -q '"5G-NR"'
}

@test "telemetry_synology_collect: throughput converted from B/s to Mbps" {
	run telemetry_synology_collect
	[ "$status" -eq 0 ]
	# 50000000 B/s = ~400 Mbps → should appear as "dl_mbps":400.0 or similar
	echo "$output" | grep -q '"dl_mbps"'
}

@test "telemetry_synology_collect: gps is null when Eyeride unavailable" {
	# Without EYERIDE_PASSWORD, eyeride_gps returns 1 → gps fields are null
	unset EYERIDE_PASSWORD
	run telemetry_synology_collect
	[ "$status" -eq 0 ]
	echo "$output" | grep -q '"lat":null'
	echo "$output" | grep -q '"lon":null'
	echo "$output" | grep -q '"fix":null'
}

# ── Buffering + POST ─────────────────────────────────────────────────────────────

@test "telemetry_synology_send: buffers payload when curl fails" {
	mkdir -p "$BATS_TMPDIR/tel_stub"
	printf '#!/bin/sh\nexit 7\n' > "$BATS_TMPDIR/tel_stub/curl"
	chmod +x "$BATS_TMPDIR/tel_stub/curl"
	export PATH="$BATS_TMPDIR/tel_stub:$PATH"
	export TELEMETRY_BUFFER_DIR="$BATS_TMPDIR/buf_test"
	rm -rf "$TELEMETRY_BUFFER_DIR"

	run telemetry_synology_send
	[ -d "$TELEMETRY_BUFFER_DIR" ]
	buf_count=$(ls "$TELEMETRY_BUFFER_DIR"/*.json 2>/dev/null | wc -l)
	[ "$buf_count" -ge 1 ]
}

@test "telemetry_synology_flush: posts and removes buffered file on success" {
	mkdir -p "$BATS_TMPDIR/tel_stub2"
	printf '#!/bin/sh\necho 200\n' > "$BATS_TMPDIR/tel_stub2/curl"
	chmod +x "$BATS_TMPDIR/tel_stub2/curl"
	export PATH="$BATS_TMPDIR/tel_stub2:$PATH"
	export TELEMETRY_BUFFER_DIR="$BATS_TMPDIR/flush_test"
	mkdir -p "$TELEMETRY_BUFFER_DIR"
	echo '{"test":1}' > "$TELEMETRY_BUFFER_DIR/1234567890_test.json"

	run telemetry_synology_flush
	[ "$status" -eq 0 ]
	[ ! -f "$TELEMETRY_BUFFER_DIR/1234567890_test.json" ]
}

@test "telemetry_synology_flush: stops on first failure" {
	mkdir -p "$BATS_TMPDIR/tel_stub3"
	# curl that fails on second call
	printf '#!/bin/sh\nif [ -f /tmp/first_done ]; then exit 7; fi\ntouch /tmp/first_done; echo 200\n' > "$BATS_TMPDIR/tel_stub3/curl"
	chmod +x "$BATS_TMPDIR/tel_stub3/curl"
	export PATH="$BATS_TMPDIR/tel_stub3:$PATH"
	export TELEMETRY_BUFFER_DIR="$BATS_TMPDIR/flush_fail"
	rm -f /tmp/first_done
	mkdir -p "$TELEMETRY_BUFFER_DIR"
	echo '{"test":1}' > "$TELEMETRY_BUFFER_DIR/1111111111_a.json"
	echo '{"test":2}' > "$TELEMETRY_BUFFER_DIR/2222222222_b.json"

	run telemetry_synology_flush
	[ "$status" -ne 0 ]
	# First file should be deleted, second should remain
	[ ! -f "$TELEMETRY_BUFFER_DIR/1111111111_a.json" ]
	[ -f "$TELEMETRY_BUFFER_DIR/2222222222_b.json" ]
	rm -f /tmp/first_done
}

# ── WAN JSON fragment ────────────────────────────────────────────────────────────

@test "_synology_wan_json: produces valid JSON fragment" {
	run _synology_wan_json 1
	[ "$status" -eq 0 ]
	# Should be a valid JSON object (starts with {, ends with })
	echo "$output" | grep -q '^{'
	echo "$output" | grep -q '}$'
	echo "$output" | grep -q '"score"'
	echo "$output" | grep -q '"latency_ms"'
	echo "$output" | grep -q '"carrier"'
}

@test "_synology_wan_json: defaults score to 0 when file missing" {
	rm -f "$AIWANBAL_STATE_DIR/wan1_score_avg"
	run _synology_wan_json 1
	[ "$status" -eq 0 ]
	echo "$output" | grep -q '"score":0'
}

@test "_synology_wan_json: modem type maps to carrier name" {
	printf 'peplink\n' > "$AIWANBAL_STATE_DIR/wan1_modem_type"
	run _synology_wan_json 1
	[ "$status" -eq 0 ]
	echo "$output" | grep -q '"carrier":"Peplink"'
}

# ── eyeride_gps ──────────────────────────────────────────────────────────────────

@test "eyeride_gps: returns 1 when no password set" {
	unset EYERIDE_PASSWORD
	run eyeride_gps
	[ "$status" -ne 0 ]
}

@test "eyeride_gps: returns 1 when eyeride unreachable" {
	export EYERIDE_PASSWORD="test"
	export EYERIDE_IP="192.0.2.1"     # TEST-NET-1 — guaranteed unreachable
	export EYERIDE_PORT="9999"
	run eyeride_gps
	[ "$status" -ne 0 ]
}