#!/usr/bin/env bash
set -ex

TEST_DB=${MUD_TEST_DB:-./mudserver.db.test}
SERVER_PID=

# SSH returns 255 when MUD closes connection after quit — treat as success
ssh_mud() {
  set +e
  ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -p 2222 "$@"
  r=$?
  set -e
  [[ $r -eq 0 || $r -eq 255 ]] || exit 1
}

cleanup() {
  if [ -n "${SERVER_PID:-}" ]; then
    kill $SERVER_PID 2>/dev/null || true
  fi
}
trap cleanup EXIT

cargo build
RUST_LOG=info ./target/debug/mudserver -d "$TEST_DB" &
SERVER_PID=$!
sleep 2

# Test 1: New player creation + basic commands
ssh_mud smoketest@localhost <<'EOF'
1
1
look
stats
go south
go down
go north
talk barkeep
go south
go south
examine thief
attack thief
flee
quit
EOF

# Test 2: Persistence - reconnect
ssh_mud smoketest@localhost <<'EOF'
look
stats
quit
EOF

# Test 3: Admin via mudtool (use same test DB)
./target/debug/mudtool -d "$TEST_DB" players list
./target/debug/mudtool -d "$TEST_DB" players set-admin smoketest true
./target/debug/mudtool -d "$TEST_DB" players show smoketest
./target/debug/mudtool -d "$TEST_DB" settings set registration_open false
./target/debug/mudtool -d "$TEST_DB" settings list

# Test 4: Admin commands in-game
ssh_mud smoketest@localhost <<'EOF'
admin help
admin list
admin registration on
admin info smoketest
quit
EOF

# Test 5: Registration gate
./target/debug/mudtool -d "$TEST_DB" settings set registration_open false
ssh_mud newplayer@localhost <<'EOF'
quit
EOF

# Test 6: Tick-based combat (connect and wait for ticks)
./target/debug/mudtool -d "$TEST_DB" settings set registration_open true
./target/debug/mudtool -d "$TEST_DB" players delete smoketest
# Use subshell to pipe commands with a delay between them while staying connected
(
  echo "1"
  echo "1"
  echo "go south"
  echo "go down"
  echo "go south"
  echo "attack thief"
  sleep 8
  echo "stats"
  echo "quit"
) | ssh_mud smoketest@localhost

# Test 7: JSON-RPC interface and dynamic command list
# We need an active player for the login to succeed in mud-mcp style
# (though list_commands doesn't require session, the MCP does login on startup)
ssh_mud rpctest@localhost <<'EOF'
1
1
quit
EOF

echo '{"_jsonrpc": "2.0", "method": "login", "params": {"username": "rpctest"}, "id": 1}' | nc -w 2 localhost 2223 > rpc_resp.json
echo '{"_jsonrpc": "2.0", "method": "list_commands", "params": {}, "id": 2}' | nc -w 2 localhost 2223 >> rpc_resp.json

if ! grep -q '"shop"' rpc_resp.json; then
  echo "Error: 'shop' command missing from JSON-RPC list_commands"
  cat rpc_resp.json
  exit 1
fi
rm rpc_resp.json

# Cleanup (trap handles server kill)
./target/debug/mudtool -d "$TEST_DB" settings set registration_open true
./target/debug/mudtool -d "$TEST_DB" players delete smoketest
./target/debug/mudtool -d "$TEST_DB" players delete rpctest