#!/usr/bin/env bash

set -euo pipefail

repo_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
dispatcher="$repo_dir/config/dot/quickshell/scripts/panama-action"
work="$(mktemp -d /tmp/panama-action.XXXXXX)"
fake_bin="$work/bin"
command_log="$work/commands.log"

fail() {
    printf 'Panama action contract: %s\n' "$1" >&2
    exit 1
}

cleanup() {
    rm -rf "$work"
}
trap cleanup EXIT

[[ -x "$dispatcher" ]] || fail 'dispatcher is missing or not executable'

mkdir -p "$fake_bin" "$work/home/.config/quickshell/scripts"

make_recorder() {
    local command_name="$1"
    cp /dev/stdin "$fake_bin/$command_name"
    chmod +x "$fake_bin/$command_name"
}

make_recorder qs <<'EOF'
#!/usr/bin/env bash
printf 'qs' >>"$PANAMA_ACTION_TEST_LOG"
printf ' <%s>' "$@" >>"$PANAMA_ACTION_TEST_LOG"
printf '\n' >>"$PANAMA_ACTION_TEST_LOG"
case "$*" in
    'ipc call notifications dnd'|'ipc call caffeine toggle'|'ipc call night-light toggle')
        printf '%s\n' "${PANAMA_ACTION_TEST_STATE:-true}"
        ;;
    'ipc call focus start'|'ipc call focus end')
        printf '%s\n' "${PANAMA_ACTION_TEST_FOCUS_STATE:-true}"
        ;;
esac
if [[ ${PANAMA_ACTION_TEST_FAIL_KILL:-false} == true && ${1:-} == kill ]]; then
    exit 1
fi
[[ ${PANAMA_ACTION_TEST_FAIL_QS:-false} != true ]]
EOF

make_recorder quickshell <<'EOF'
#!/usr/bin/env bash
printf 'quickshell' >>"$PANAMA_ACTION_TEST_LOG"
printf ' <%s>' "$@" >>"$PANAMA_ACTION_TEST_LOG"
printf '\n' >>"$PANAMA_ACTION_TEST_LOG"
EOF

make_recorder panama-osd <<'EOF'
#!/usr/bin/env bash
printf 'panama-osd' >>"$PANAMA_ACTION_TEST_LOG"
printf ' <%s>' "$@" >>"$PANAMA_ACTION_TEST_LOG"
printf '\n' >>"$PANAMA_ACTION_TEST_LOG"
[[ ${PANAMA_ACTION_TEST_FAIL_OSD:-false} != true ]]
EOF

make_recorder panama-prism-gallery <<'EOF'
#!/usr/bin/env bash
printf 'panama-prism-gallery' >>"$PANAMA_ACTION_TEST_LOG"
if (( $# > 0 )); then
    printf ' <%s>' "$@" >>"$PANAMA_ACTION_TEST_LOG"
fi
printf '\n' >>"$PANAMA_ACTION_TEST_LOG"
EOF

make_recorder notify-send <<'EOF'
#!/usr/bin/env bash
printf 'notify-send' >>"$PANAMA_ACTION_TEST_LOG"
printf ' <%s>' "$@" >>"$PANAMA_ACTION_TEST_LOG"
printf '\n' >>"$PANAMA_ACTION_TEST_LOG"
EOF

make_recorder systemd-inhibit <<'EOF'
#!/usr/bin/env bash
if [[ -n ${PANAMA_ACTION_TEST_INHIBITOR_FILE:-} && -s $PANAMA_ACTION_TEST_INHIBITOR_FILE ]]; then
    while IFS= read -r pid; do
        printf 'Panama 1000 gib %s systemd-inhibit sleep:idle Caffeine block\n' "$pid"
    done <"$PANAMA_ACTION_TEST_INHIBITOR_FILE"
    exit 0
fi
if [[ ${PANAMA_ACTION_TEST_CONFIRMED_STATE:-${PANAMA_ACTION_TEST_STATE:-true}} == true ]]; then
    printf 'Panama 1000 gib 42 systemd-inhibit sleep:idle Caffeine block\n'
fi
EOF

make_recorder kill <<'EOF'
#!/usr/bin/env bash
printf 'kill' >>"$PANAMA_ACTION_TEST_LOG"
printf ' <%s>' "$@" >>"$PANAMA_ACTION_TEST_LOG"
printf '\n' >>"$PANAMA_ACTION_TEST_LOG"
if [[ -n ${PANAMA_ACTION_TEST_INHIBITOR_FILE:-} ]]; then
    : >"$PANAMA_ACTION_TEST_INHIBITOR_FILE"
fi
EOF

make_recorder pgrep <<'EOF'
#!/usr/bin/env bash
[[ ${PANAMA_ACTION_TEST_CONFIRMED_STATE:-${PANAMA_ACTION_TEST_STATE:-true}} == true ]]
EOF

make_recorder id <<'EOF'
#!/usr/bin/env bash
printf '1000\n'
EOF

run_action() {
    : >"$command_log"
    HOME="$work/home" PATH="$fake_bin:$PATH" \
        PANAMA_ACTION_HELPER_DIR="$fake_bin" \
        PANAMA_ACTION_KILL_COMMAND="$fake_bin/kill" \
        PANAMA_ACTION_CONFIRM_ATTEMPTS=1 \
        PANAMA_ACTION_CONFIRM_DELAY=0 \
        PANAMA_ACTION_TEST_LOG="$command_log" \
        "$dispatcher" "$1"
}

assert_commands() {
    local expected="$1"
    local actual
    actual="$(cat "$command_log")"
    [[ "$actual" == "$expected" ]] \
        || fail "wrong command sequence; expected [$expected], got [$actual]"
}

run_action control-center
assert_commands 'qs <ipc> <call> <quicksettings> <open>'

run_action notifications
assert_commands 'qs <ipc> <call> <notifications> <open>'

run_action calendar
assert_commands 'qs <ipc> <call> <calendar-agenda> <open>'

run_action clipboard
assert_commands 'qs <ipc> <call> <clipboard> <open>'

run_action overview
assert_commands 'qs <ipc> <call> <overview> <open>'

run_action settings
assert_commands 'qs <ipc> <call> <settings> <open>'

run_action dnd
assert_commands $'qs <ipc> <call> <notifications> <dnd>\npanama-osd <message> <notifications-disabled-symbolic> <Do Not Disturb On>'

PANAMA_ACTION_TEST_STATE=false run_action caffeine
assert_commands $'qs <ipc> <call> <caffeine> <toggle>\npanama-osd <message> <weather-clear-night-symbolic> <Caffeine Off>'

printf '4242\n' >"$work/inhibitors"
PANAMA_ACTION_TEST_STATE=false PANAMA_ACTION_TEST_INHIBITOR_FILE="$work/inhibitors" run_action caffeine
assert_commands $'qs <ipc> <call> <caffeine> <toggle>\nkill <4242>\npanama-osd <message> <weather-clear-night-symbolic> <Caffeine Off>'

run_action night-light
assert_commands $'qs <ipc> <call> <night-light> <toggle>\npanama-osd <message> <night-light-symbolic> <Night Light On>'

run_action focus-start
assert_commands $'qs <ipc> <call> <focus> <start>\npanama-osd <message> <preferences-system-time-symbolic> <Focus Session Started>'

run_action focus-end
assert_commands $'qs <ipc> <call> <focus> <end>\npanama-osd <message> <media-playback-stop-symbolic> <Focus Session Ended>'

PANAMA_ACTION_TEST_FOCUS_STATE=false run_action focus-end
assert_commands $'qs <ipc> <call> <focus> <end>\npanama-osd <message> <dialog-information-symbolic> <No Focus Session Running>'

run_action capture
assert_commands 'qs <ipc> <call> <capture> <open>'

run_action intelligence
assert_commands 'qs <ipc> <call> <screen-intelligence> <open>'

run_action screenshot
assert_commands 'qs <ipc> <call> <capture> <screenNow>'

run_action microphone
assert_commands 'panama-osd <microphone> <toggle>'

run_action gallery
assert_commands 'panama-prism-gallery'

run_action restart-shell
assert_commands $'qs <kill>\nquickshell <--daemonize>\nqs <ipc> <show>\npanama-osd <message> <view-refresh-symbolic> <Panama Restarted>'

PANAMA_ACTION_TEST_FAIL_KILL=true run_action restart-shell
assert_commands $'qs <kill>\nquickshell <--daemonize>\nqs <ipc> <show>\npanama-osd <message> <view-refresh-symbolic> <Panama Restarted>'

if HOME="$work/home" PATH="$fake_bin:$PATH" PANAMA_ACTION_HELPER_DIR="$fake_bin" \
    PANAMA_ACTION_CONFIRM_ATTEMPTS=1 PANAMA_ACTION_CONFIRM_DELAY=0 PANAMA_ACTION_TEST_LOG="$command_log" \
    "$dispatcher" definitely-not-an-action >/dev/null 2>&1; then
    fail 'unknown action was accepted'
fi

: >"$command_log"
if PANAMA_ACTION_TEST_FAIL_QS=true HOME="$work/home" PATH="$fake_bin:$PATH" \
    PANAMA_ACTION_HELPER_DIR="$fake_bin" PANAMA_ACTION_CONFIRM_ATTEMPTS=1 \
    PANAMA_ACTION_CONFIRM_DELAY=0 PANAMA_ACTION_TEST_LOG="$command_log" \
    "$dispatcher" control-center >/dev/null 2>&1; then
    fail 'failed shell action returned success'
fi
assert_commands $'qs <ipc> <call> <quicksettings> <open>\nnotify-send <-a> <Panama> <-i> <dialog-error-symbolic> <Panama action failed> <The “control center” action could not be completed.>'

: >"$command_log"
if PANAMA_ACTION_TEST_FAIL_OSD=true HOME="$work/home" PATH="$fake_bin:$PATH" \
    PANAMA_ACTION_HELPER_DIR="$fake_bin" PANAMA_ACTION_CONFIRM_ATTEMPTS=1 \
    PANAMA_ACTION_CONFIRM_DELAY=0 PANAMA_ACTION_TEST_LOG="$command_log" \
    "$dispatcher" microphone >/dev/null 2>&1; then
    fail 'failed Prism OSD delivery returned success'
fi
assert_commands $'panama-osd <microphone> <toggle>\nnotify-send <-a> <Panama> <-i> <dialog-error-symbolic> <Panama action failed> <The “microphone” action could not be completed.>'

: >"$command_log"
if PANAMA_ACTION_TEST_CONFIRMED_STATE=false HOME="$work/home" PATH="$fake_bin:$PATH" \
    PANAMA_ACTION_HELPER_DIR="$fake_bin" PANAMA_ACTION_CONFIRM_ATTEMPTS=1 \
    PANAMA_ACTION_CONFIRM_DELAY=0 PANAMA_ACTION_TEST_LOG="$command_log" \
    "$dispatcher" caffeine >/dev/null 2>&1; then
    fail 'unconfirmed Caffeine state returned success'
fi
grep -Fqx 'notify-send <-a> <Panama> <-i> <dialog-error-symbolic> <Panama action failed> <The “caffeine” action could not be completed.>' "$command_log" \
    || fail 'unconfirmed state did not send a failure notification'

printf 'Panama action contract: PASS\n'