#!/usr/bin/env bash
# test-local-integration.sh — End-to-end local Matrix/Conduit + Hermes integration test
# Issue: #166
#
# Spins up a local Conduit instance, registers a test user, and proves the
# Hermes Matrix adapter can connect, sync, join rooms, and send messages.
#
# Usage:
#   cd infra/matrix
#   ./scripts/test-local-integration.sh

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BASE_DIR="$(dirname "$SCRIPT_DIR")"
COMPOSE_FILE="$BASE_DIR/docker-compose.test.yml"

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

pass() { echo -e "${GREEN}[PASS]${NC} $*"; }
fail() { echo -e "${RED}[FAIL]${NC} $*"; }
info() { echo -e "${YELLOW}[INFO]${NC} $*"; }

# Detect docker compose variant
if docker compose version >/dev/null 2>&1; then
    COMPOSE_CMD="docker compose"
elif docker-compose version >/dev/null 2>&1; then
    COMPOSE_CMD="docker-compose"
else
    fail "Neither 'docker compose' nor 'docker-compose' found"
    exit 1
fi

cleanup() {
    info "Cleaning up test environment..."
    $COMPOSE_CMD -f "$COMPOSE_FILE" down -v --remove-orphans 2>/dev/null || true
}
trap cleanup EXIT

info "=================================================="
info "Hermes Matrix Local Integration Test"
info "Target: #166 | Environment: localhost"
info "=================================================="

# --- Start test environment ---
info "Starting Conduit test environment..."
$COMPOSE_CMD -f "$COMPOSE_FILE" up -d

# --- Wait for Conduit ---
info "Waiting for Conduit to accept connections..."
for i in {1..30}; do
    if curl -sf http://localhost:8448/_matrix/client/versions >/dev/null 2>&1; then
        pass "Conduit is responding on localhost:8448"
        break
    fi
    sleep 1
done

if ! curl -sf http://localhost:8448/_matrix/client/versions >/dev/null 2>&1; then
    fail "Conduit failed to start within 30 seconds"
    exit 1
fi

# --- Register test user ---
TEST_USER="hermes_test_$(date +%s)"
TEST_PASS="testpass_$(openssl rand -hex 8)"
HOMESERVER="http://localhost:8448"

info "Registering test user: $TEST_USER"

REG_PAYLOAD=$(cat <<EOF
{
  "username": "$TEST_USER",
  "password": "$TEST_PASS",
  "auth": {"type": "m.login.dummy"}
}
EOF
)

REG_RESPONSE=$(curl -sf -X POST \
    -H "Content-Type: application/json" \
    -d "$REG_PAYLOAD" \
    "$HOMESERVER/_matrix/client/v3/register" 2>/dev/null || echo '{}')

ACCESS_TOKEN=$(echo "$REG_RESPONSE" | python3 -c "import sys,json; print(json.load(sys.stdin).get('access_token',''))" 2>/dev/null || true)

if [[ -z "$ACCESS_TOKEN" ]]; then
    # Try login if registration failed (user might already exist somehow)
    info "Registration response missing token, attempting login..."
    LOGIN_RESPONSE=$(curl -sf -X POST \
        -H "Content-Type: application/json" \
        -d "{\"type\":\"m.login.password\",\"user\":\"$TEST_USER\",\"password\":\"$TEST_PASS\"}" \
        "$HOMESERVER/_matrix/client/v3/login" 2>/dev/null || echo '{}')
    ACCESS_TOKEN=$(echo "$LOGIN_RESPONSE" | python3 -c "import sys,json; print(json.load(sys.stdin).get('access_token',''))" 2>/dev/null || true)
fi

if [[ -z "$ACCESS_TOKEN" ]]; then
    fail "Could not register or login test user"
    echo "Registration response: $REG_RESPONSE"
    exit 1
fi

pass "Test user authenticated"

# --- Create test room ---
info "Creating test room..."
ROOM_RESPONSE=$(curl -sf -X POST \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer $ACCESS_TOKEN" \
    -d '{"preset":"public_chat","name":"Hermes Integration Test","topic":"Automated test room"}' \
    "$HOMESERVER/_matrix/client/v3/createRoom" 2>/dev/null || echo '{}')

ROOM_ID=$(echo "$ROOM_RESPONSE" | python3 -c "import sys,json; print(json.load(sys.stdin).get('room_id',''))" 2>/dev/null || true)

if [[ -z "$ROOM_ID" ]]; then
    fail "Could not create test room"
    echo "Room response: $ROOM_RESPONSE"
    exit 1
fi

pass "Test room created: $ROOM_ID"

# --- Run Hermes-style probe ---
info "Running Hermes Matrix adapter probe..."

export MATRIX_HOMESERVER="$HOMESERVER"
export MATRIX_USER_ID="@$TEST_USER:localhost"
export MATRIX_ACCESS_TOKEN="$ACCESS_TOKEN"
export MATRIX_TEST_ROOM="$ROOM_ID"
export MATRIX_ENCRYPTION="false"

python3 <<'PYEOF'
import asyncio
import os
import sys
from datetime import datetime, timezone

try:
    from nio import AsyncClient, SyncResponse, RoomSendResponse
except ImportError:
    print("matrix-nio not installed. Installing...")
    import subprocess
    subprocess.check_call([sys.executable, "-m", "pip", "install", "--quiet", "matrix-nio"])
    from nio import AsyncClient, SyncResponse, RoomSendResponse

HOMESERVER = os.getenv("MATRIX_HOMESERVER", "").rstrip("/")
USER_ID = os.getenv("MATRIX_USER_ID", "")
ACCESS_TOKEN = os.getenv("MATRIX_ACCESS_TOKEN", "")
ROOM_ID = os.getenv("MATRIX_TEST_ROOM", "")

def ok(msg): print(f"\033[0;32m[PASS]\033[0m {msg}")
def err(msg): print(f"\033[0;31m[FAIL]\033[0m {msg}")

async def main():
    client = AsyncClient(HOMESERVER, USER_ID)
    client.access_token = ACCESS_TOKEN
    client.user_id = USER_ID
    try:
        whoami = await client.whoami()
        if hasattr(whoami, "user_id"):
            ok(f"Whoami authenticated as {whoami.user_id}")
        else:
            err(f"Whoami failed: {whoami}")
            return 1

        sync_resp = await client.sync(timeout=10000)
        if isinstance(sync_resp, SyncResponse):
            ok(f"Initial sync complete ({len(sync_resp.rooms.join)} joined rooms)")
        else:
            err(f"Initial sync failed: {sync_resp}")
            return 1

        test_body = f"🔥 Hermes local integration probe | {datetime.now(timezone.utc).isoformat()}"
        send_resp = await client.room_send(
            ROOM_ID,
            "m.room.message",
            {"msgtype": "m.text", "body": test_body},
        )
        if isinstance(send_resp, RoomSendResponse):
            ok(f"Test message sent (event_id: {send_resp.event_id})")
        else:
            err(f"Test message failed: {send_resp}")
            return 1

        ok("All integration checks passed — Hermes Matrix adapter works locally.")
        return 0
    finally:
        await client.close()

sys.exit(asyncio.run(main()))
PYEOF

PROBE_EXIT=$?

if [[ $PROBE_EXIT -eq 0 ]]; then
    pass "Local integration test PASSED"
    info "=================================================="
    info "Result: #166 is execution-ready."
    info "The only remaining blocker is host/domain (#187)."
    info "=================================================="
else
    fail "Local integration test FAILED"
    exit 1
fi