import traceback

from sanic import Sanic, response
from uuid import uuid4
import traceback as _traceback

from app.core.logger import make_log

app = Sanic(__name__)

from app.api.middleware import attach_user_to_request, close_db_session, close_request_handler

app.register_middleware(attach_user_to_request, "request")
app.register_middleware(close_db_session, "response")

from app.api.routes._index import s_index, s_favicon
from app.api.routes._system import s_api_v1_node, s_api_system_version, s_api_system_send_status, s_api_v1_node_friendly
from app.api.routes.network import (
    s_api_v1_network_info,
    s_api_v1_network_nodes,
    s_api_v1_network_handshake,
)
from app.api.routes.auth import s_api_v1_auth_twa, s_api_v1_auth_select_wallet, s_api_v1_auth_me
from app.api.routes.statics import s_api_tonconnect_manifest, s_api_platform_metadata
from app.api.routes.node_storage import s_api_v1_storage_post, s_api_v1_storage_get, \
    s_api_v1_storage_decode_cid
from app.api.routes.progressive_storage import s_api_v1_5_storage_get, s_api_v1_5_storage_post
from app.api.routes.upload_tus import s_api_v1_upload_tus_hook
from app.api.routes.account import s_api_v1_account_get
from app.api.routes._blockchain import s_api_v1_blockchain_send_new_content_message, \
    s_api_v1_blockchain_send_purchase_content_message
from app.api.routes.content import s_api_v1_content_list, s_api_v1_content_view, s_api_v1_content_friendly_list, s_api_v1_5_content_list
from app.api.routes.content_index import s_api_v1_content_index, s_api_v1_content_delta
from app.api.routes.derivatives import s_api_v1_content_derivatives
from app.api.routes.admin import (
    s_api_v1_admin_blockchain,
    s_api_v1_admin_cache_cleanup,
    s_api_v1_admin_cache_setlimits,
    s_api_v1_admin_login,
    s_api_v1_admin_logout,
    s_api_v1_admin_node_setrole,
    s_api_v1_admin_nodes,
    s_api_v1_admin_overview,
    s_api_v1_admin_status,
    s_api_v1_admin_storage,
    s_api_v1_admin_sync_setlimits,
    s_api_v1_admin_system,
    s_api_v1_admin_uploads,
)
from app.api.routes.tonconnect import s_api_v1_tonconnect_new, s_api_v1_tonconnect_logout
from app.api.routes.keys import s_api_v1_keys_request
from app.api.routes.sync import s_api_v1_sync_pin, s_api_v1_sync_status
from app.api.routes.upload_status import s_api_v1_upload_status


app.add_route(s_index, "/", methods=["GET", "OPTIONS"])
app.add_route(s_favicon, "/favicon.ico", methods=["GET", "OPTIONS"])

app.add_route(s_api_v1_node, "/api/v1/node", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_node_friendly, "/api/v1/nodeFriendly", methods=["GET", "OPTIONS"])
app.add_route(s_api_system_version, "/api/system.version", methods=["GET", "OPTIONS"])
app.add_route(s_api_system_send_status, "/api/system.sendStatus", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_network_info, "/api/v1/network.info", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_network_nodes, "/api/v1/network.nodes", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_network_handshake, "/api/v1/network.handshake", methods=["POST", "OPTIONS"])

app.add_route(s_api_tonconnect_manifest, "/api/tonconnect-manifest.json", methods=["GET", "OPTIONS"])
app.add_route(s_api_platform_metadata, "/api/platform-metadata.json", methods=["GET", "OPTIONS"])

app.add_route(s_api_v1_auth_twa, "/api/v1/auth.twa", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_auth_me, "/api/v1/auth.me", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_auth_select_wallet, "/api/v1/auth.selectWallet", methods=["POST", "OPTIONS"])

app.add_route(s_api_v1_tonconnect_new, "/api/v1/tonconnect.new", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_tonconnect_logout, "/api/v1/tonconnect.logout", methods=["POST", "OPTIONS"])

app.add_route(s_api_v1_5_storage_post, "/api/v1.5/storage", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_5_storage_get, "/api/v1.5/storage/<file_hash>", methods=["GET", "OPTIONS"])

app.add_route(s_api_v1_storage_post, "/api/v1/storage", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_storage_get, "/api/v1/storage/<file_hash>", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_storage_decode_cid, "/api/v1/storage.decodeContentId/<content_id>", methods=["GET", "OPTIONS"])

app.add_route(s_api_v1_account_get, "/api/v1/account", methods=["GET", "OPTIONS"])

app.add_route(s_api_v1_blockchain_send_new_content_message, "/api/v1/blockchain.sendNewContentMessage", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_blockchain_send_purchase_content_message, "/api/v1/blockchain.sendPurchaseContentMessage", methods=["POST", "OPTIONS"])

app.add_route(s_api_v1_content_list, "/api/v1/content.list", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_content_view, "/api/v1/content.view/<content_address>", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_content_friendly_list, "/api/v1/content.friendlyList", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_5_content_list, "/api/v1.5/content.list", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_content_index, "/api/v1/content.index", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_content_delta, "/api/v1/content.delta", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_content_derivatives, "/api/v1/content.derivatives", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_admin_login, "/api/v1/admin.login", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_admin_logout, "/api/v1/admin.logout", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_admin_overview, "/api/v1/admin.overview", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_admin_storage, "/api/v1/admin.storage", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_admin_uploads, "/api/v1/admin.uploads", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_admin_system, "/api/v1/admin.system", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_admin_blockchain, "/api/v1/admin.blockchain", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_admin_node_setrole, "/api/v1/admin.node.setRole", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_admin_nodes, "/api/v1/admin.nodes", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_admin_status, "/api/v1/admin.status", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_admin_cache_setlimits, "/api/v1/admin.cache.setLimits", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_admin_cache_cleanup, "/api/v1/admin.cache.cleanup", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_admin_sync_setlimits, "/api/v1/admin.sync.setLimits", methods=["POST", "OPTIONS"])

# tusd HTTP hooks
app.add_route(s_api_v1_upload_tus_hook, "/api/v1/upload.tus-hook", methods=["POST", "OPTIONS"])

# Keys auto-grant
app.add_route(s_api_v1_keys_request, "/api/v1/keys.request", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_sync_pin, "/api/v1/sync.pin", methods=["POST", "OPTIONS"])
app.add_route(s_api_v1_sync_status, "/api/v1/sync.status", methods=["GET", "OPTIONS"])
app.add_route(s_api_v1_upload_status, "/api/v1/upload.status/<upload_id>", methods=["GET", "OPTIONS"])


@app.exception(BaseException)
async def s_handle_exception(request, exception):
    # Correlate error to request
    session_id = getattr(request.ctx, 'session_id', None) or uuid4().hex[:16]
    error_id = uuid4().hex[:8]

    status = 500
    code = type(exception).__name__
    message = "Internal HTTP Error"

    try:
        raise exception
    except AssertionError as e:
        status = 400
        code = 'AssertionError'
        message = str(e) or 'Bad Request'
    except BaseException as e:
        # keep default 500, but expose exception message to aid debugging
        message = str(e) or message

    # Build structured log with full context and traceback
    try:
        tb = _traceback.format_exc()
        user_id = getattr(getattr(request.ctx, 'user', None), 'id', None)
        log_ctx = {
            'sid': session_id,
            'eid': error_id,
            'path': request.path,
            'method': request.method,
            'query': dict(request.args) if hasattr(request, 'args') else {},
            'user_id': user_id,
            'remote': (request.headers.get('X-Forwarded-For') or request.remote_addr or request.ip),
            'code': code,
            'message': message,
            'traceback': tb,
        }
        make_log('http_exception', 'API exception', level='error', **log_ctx)
    except BaseException:
        pass

    # Return enriched error response for the client
    payload = {
        'error': True,
        'code': code,
        'message': message,
        'session_id': session_id,
        'error_id': error_id,
        'path': request.path,
        'method': request.method,
    }

    response_buffer = response.json(payload, status=status)
    response_buffer = await close_db_session(request, response_buffer)
    return response_buffer