#!/bin/bash

set -euo pipefail

source "$(dirname "$0")/base-test.sh"

migration="$ROOT/migrations/1786380259.sh"
test_dir=$(mktemp -d)
trap 'rm -rf "$test_dir"' EXIT

mkdir -p "$test_dir/bin"

# sudo runs the real command, so sed acts on the redirected main.conf below and
# the elevated power calls land in the stub beside it.
cat >"$test_dir/bin/sudo" <<'STUB'
#!/bin/bash

printf 'sudo %s\n' "$*" >>"$CALLS"
exec "$@"
STUB

cat >"$test_dir/bin/omarchy-bluetooth-power" <<'STUB'
#!/bin/bash

printf 'omarchy-bluetooth-power %s\n' "$*" >>"$CALLS"
[[ $1 == "is-on" ]] || exit 0
[[ ${POWERED:-} == "yes" ]]
STUB

chmod +x "$test_dir/bin/"*

export CALLS="$test_dir/calls"

marker="$test_dir/marker"
main_conf="$test_dir/main.conf"

reset_machine() {
  rm -f "$marker"
  printf '[Policy]\nAutoEnable=false\n' >"$main_conf"
}

run_migration() {
  : >"$CALLS"

  OMARCHY_BLUETOOTH_MIGRATION_MARKER="$marker" \
    OMARCHY_BLUETOOTH_MAIN_CONF="$main_conf" \
    PATH="$test_dir/bin:$PATH" \
    bash -euo pipefail "$migration" >/dev/null
}

# An adapter that is powered right now is one the user turned on, so it stays on.
reset_machine
POWERED=yes run_migration

grep -qx 'omarchy-bluetooth-power on' "$CALLS" ||
  fail "migration keeps a powered adapter on" "$(cat "$CALLS")"
pass "migration keeps a powered adapter on"

grep -qx '#AutoEnable=true' "$main_conf" ||
  fail "migration puts AutoEnable back to its default" "$(cat "$main_conf")"
pass "migration puts AutoEnable back to its default"

[[ -e $marker ]] || fail "migration records the machine as done"
pass "migration records the machine as done"

# Anything else is a machine that has been booting with Bluetooth off, and the
# block is what carries that over now AutoEnable no longer holds the adapter down.
reset_machine
POWERED=no run_migration

grep -qx 'omarchy-bluetooth-power off' "$CALLS" ||
  fail "migration carries an unpowered adapter over to the block" "$(cat "$CALLS")"
pass "migration carries an unpowered adapter over to the block"

# No daemon to ask reads the same way: off is what the machine has been doing.
reset_machine
run_migration

grep -qx 'omarchy-bluetooth-power off' "$CALLS" ||
  fail "migration blocks when no adapter can be read" "$(cat "$CALLS")"
pass "migration blocks when no adapter can be read"

# /dev/rfkill is only writable unelevated from an active graphical seat, so an
# update run over SSH would abort here and abort again on every retry.
grep -qx 'sudo omarchy-bluetooth-power off' "$CALLS" ||
  fail "migration changes the radio through sudo" "$(cat "$CALLS")"
pass "migration changes the radio through sudo"

# A second account must not undo an administrator's later choice, since migration
# completion is recorded per user.
printf '[Policy]\nAutoEnable=false\n' >"$main_conf"
POWERED=yes run_migration

grep -qx 'AutoEnable=false' "$main_conf" ||
  fail "migration leaves a later opt-out alone" "$(cat "$main_conf")"
pass "migration leaves a later opt-out alone"

[[ ! -s $CALLS ]] ||
  fail "migration touches no radio state on a second run" "$(cat "$CALLS")"
pass "migration touches no radio state on a second run"

# Only the exact line Omarchy wrote is reverted, so a hand-edited opt-out stands.
reset_machine
printf '[Policy]\nAutoEnable = false\n' >"$main_conf"
POWERED=yes run_migration

grep -qx 'AutoEnable = false' "$main_conf" ||
  fail "migration keeps a hand-edited AutoEnable" "$(cat "$main_conf")"
pass "migration keeps a hand-edited AutoEnable"