#!/usr/bin/env bash
set -euo pipefail

daemon=$1
ctl=$2
plugin=$3
script=$4
tmp=$(mktemp -d)
socket="$tmp/nautd.sock"
daemon_log="$tmp/nautd.log"
events_log="$tmp/events.log"

cleanup() {
    result=$?
    if [[ -n "${daemon_pid:-}" ]]; then
        kill "$daemon_pid" 2>/dev/null || true
        wait "$daemon_pid" 2>/dev/null || true
    fi
    if [[ -n "${events_pid:-}" ]]; then
        kill "$events_pid" 2>/dev/null || true
        wait "$events_pid" 2>/dev/null || true
    fi
    if [[ "$result" -ne 0 ]]; then
        cat "$daemon_log" >&2 2>/dev/null || true
        cat "$events_log" >&2 2>/dev/null || true
    fi
    rm -rf "$tmp"
    return "$result"
}
trap cleanup EXIT

"$daemon" --socket "$socket" --plugin "$plugin" --script "$script" \
    >"$daemon_log" 2>&1 &
daemon_pid=$!

for _ in $(seq 1 100); do
    [[ -S "$socket" ]] && break
    sleep 0.02
done
[[ -S "$socket" ]]

"$ctl" --socket "$socket" ping | grep -q '"service": "nautd"'
"$ctl" --socket "$socket" plugins | grep -q '"memory"'

timeout 5 "$ctl" --socket "$socket" events >"$events_log" &
events_pid=$!
sleep 0.1
"$ctl" --socket "$socket" emit \
    '{"type":"torrent_finished","torrent_id":7}' >/dev/null

status=
for _ in $(seq 1 100); do
    status=$("$ctl" --socket "$socket" status)
    if grep -q '"move_commands": 1' <<<"$status" &&
       grep -q '"handled": 1' <<<"$status"; then
        break
    fi
    sleep 0.02
done
grep -q '"move_commands": 1' <<<"$status"
grep -q '"handled": 1' <<<"$status"
grep -q '"errors": 0' <<<"$status"

plugin_status=$("$ctl" --socket "$socket" example.events)
grep -q '"finished": 1' <<<"$plugin_status"

for _ in $(seq 1 100); do
    grep -q '"event": "torrent_finished"' "$events_log" && break
    sleep 0.02
done
grep -q '"event": "torrent_finished"' "$events_log"

# --- end-to-end move-as-you-finish: register a real torrent's storage, fire a
# file_complete event, and confirm the script-driven move actually relocates the
# file on disk (script thread -> bounded queue -> owner thread -> storage). ----
fixtures=$(dirname "$script")
root="$tmp/torrent-data"
"$ctl" --socket "$socket" add_torrent \
    "{\"torrent_id\":42,\"torrent\":\"$fixtures/single_v1.torrent\",\"root\":\"$root\"}" \
    | grep -q '"ok": true'

src=$(find "$root" -type f | head -n1)
[[ -n "$src" ]]

"$ctl" --socket "$socket" emit \
    "{\"type\":\"file_complete\",\"torrent_id\":42,\"index\":0,\"path\":\"$src\"}" \
    >/dev/null

for _ in $(seq 1 100); do
    [[ -f "$src.moved" ]] && break
    sleep 0.02
done
[[ -f "$src.moved" ]]
[[ ! -f "$src" ]]

"$ctl" --socket "$socket" shutdown >/dev/null
wait "$daemon_pid"
daemon_pid=