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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
# shellcheck disable=SC1091
source "$ROOT_DIR/scripts/acceptance/route_acceptance_lib.sh"

CRM_BASE="${CRM_BASE:-https://sub.tksea.top/portal-admin-api}"
TS="${TS:-$(timestamp_token)}"
ARTIFACT_DIR="${ARTIFACT_DIR:-$ROUTE_MATRIX_ROOT/${TS}_route_data_plane}"

GROUP_ID="${GROUP_ID:-p2t4-dp-${TS}}"
ROUTE_ID="${ROUTE_ID:-primary-${TS}}"
PUBLIC_MODEL="${PUBLIC_MODEL:-gpt-5.4}"
SHADOW_MODEL="${SHADOW_MODEL:-gpt-5.4}"
SHADOW_HOST_ID="${SHADOW_HOST_ID:?SHADOW_HOST_ID required}"
SHADOW_GROUP_ID="${SHADOW_GROUP_ID:?SHADOW_GROUP_ID required}"
REQUEST_ID="${REQUEST_ID:-req-p2t4-dp-${TS}}"
SUBJECT_ID="${SUBJECT_ID:-conv-p2t4-dp-${TS}}"
SUBSCRIPTION_USER_ID="${SUBSCRIPTION_USER_ID:-}"
GATEWAY_API_KEY="${GATEWAY_API_KEY:-}"

if [[ -z "$SUBSCRIPTION_USER_ID" && -z "$GATEWAY_API_KEY" ]]; then
  echo "missing data-plane auth: set SUBSCRIPTION_USER_ID or GATEWAY_API_KEY" >&2
  exit 1
fi

crm_auth_init
ensure_artifact_dir

create_group_payload="$(python3 - "$GROUP_ID" <<'PY'
import json, sys
group_id = sys.argv[1]
print(json.dumps({
    "logical_group_id": group_id,
    "display_name": f"P2T4 Data Plane {group_id}",
    "status": "active",
    "description": "P2-T4 data plane verification group",
    "route_policy": "priority",
    "sticky_mode": "conversation_preferred",
    "conversation_ttl_seconds": 1200,
    "user_model_ttl_seconds": 600,
    "failover_threshold": 2,
    "cooldown_seconds": 300,
}, ensure_ascii=False))
PY
)"
save_json 01-create-group "$(crm_curl_json POST "/api/logical-groups" "$create_group_payload")"
save_json 02-add-group-model "$(crm_curl_json POST "/api/logical-groups/$GROUP_ID/models" "{\"public_model\":\"$PUBLIC_MODEL\",\"status\":\"active\"}")"
save_json 03-create-route "$(crm_curl_json POST "/api/logical-groups/$GROUP_ID/routes" "{\"route_id\":\"$ROUTE_ID\",\"name\":\"Primary $ROUTE_ID\",\"status\":\"active\",\"priority\":10,\"weight\":100,\"shadow_group_id\":\"$SHADOW_GROUP_ID\",\"shadow_host_id\":\"$SHADOW_HOST_ID\",\"upstream_base_url_hint\":\"https://real-shadow.example/v1\"}")"
save_json 04-add-route-model "$(crm_curl_json POST "/api/logical-groups/$GROUP_ID/routes/$ROUTE_ID/models" "{\"public_model\":\"$PUBLIC_MODEL\",\"shadow_model\":\"$SHADOW_MODEL\",\"status\":\"active\"}")"

chat_payload="$(python3 - "$GROUP_ID" "$PUBLIC_MODEL" "$REQUEST_ID" "$SUBJECT_ID" "$SUBSCRIPTION_USER_ID" "$GATEWAY_API_KEY" <<'PY'
import json, sys
logical_group_id, model, request_id, subject_id, subscription_user_id, gateway_api_key = sys.argv[1:7]
payload = {
    "logical_group_id": logical_group_id,
    "model": model,
    "request_id": request_id,
    "scope": "conversation",
    "subject_id": subject_id,
    "messages": [{"role": "user", "content": "ping"}],
    "sync": True,
}
if subscription_user_id:
    payload["subscription_user_id"] = subscription_user_id
if gateway_api_key:
    payload["gateway_api_key"] = gateway_api_key
print(json.dumps(payload, ensure_ascii=False))
PY
)"
save_json 05-route-chat "$(crm_curl_json POST "/api/routing/chat/completions" "$chat_payload")"
save_json 06-decision-logs "$(crm_curl_json GET "/api/routing/logs/decisions?request_id=$REQUEST_ID&limit=5")"

python3 - "$ARTIFACT_DIR" "$GROUP_ID" "$ROUTE_ID" "$PUBLIC_MODEL" "$SHADOW_MODEL" "$SHADOW_HOST_ID" "$SHADOW_GROUP_ID" "$REQUEST_ID" "$SUBSCRIPTION_USER_ID" "$GATEWAY_API_KEY" >"$ARTIFACT_DIR/07-summary.json" <<'PY'
import json
import sys
from pathlib import Path

(
    art_dir,
    group_id,
    route_id,
    public_model,
    shadow_model,
    shadow_host_id,
    shadow_group_id,
    request_id,
    subscription_user_id,
    gateway_api_key,
) = sys.argv[1:11]
art = Path(art_dir)
chat = json.loads((art / "05-route-chat.json").read_text())
logs = json.loads((art / "06-decision-logs.json").read_text())["decision_logs"]

assert chat["request_id"] == request_id
assert chat["logical_group_id"] == group_id
assert chat["model"] == public_model
assert chat["selected_route"]["route_id"] == route_id
assert chat["selected_route"]["shadow_host_id"] == shadow_host_id
assert chat["selected_route"]["shadow_group_id"] == shadow_group_id
assert chat["selected_route"]["shadow_model"] == shadow_model
assert chat["forward"]["upstream_status"] == 200
assert logs, logs
assert logs[0]["request_id"] == request_id
assert logs[0]["selected_route_id"] == route_id

expected_source = "managed_subscription" if subscription_user_id else "provided_gateway_key"
summary = {
    "group_id": group_id,
    "route_id": route_id,
    "request_id": request_id,
    "auth_mode": expected_source,
    "forward_upstream_status": chat["forward"]["upstream_status"],
    "selected_shadow_host_id": chat["selected_route"]["shadow_host_id"],
    "selected_shadow_group_id": chat["selected_route"]["shadow_group_id"],
    "selected_shadow_model": chat["selected_route"]["shadow_model"],
    "effective_gateway_key_source": chat["forward"].get("effective_gateway_key_source"),
    "decision_log_count": len(logs),
}
print(json.dumps(summary, ensure_ascii=False, indent=2))
PY

cat "$ARTIFACT_DIR/07-summary.json"