// Package server implements the HTTP server for Metacrypt.
package server

import (
	"context"
	"database/sql"
	"log/slog"
	"sync"

	"google.golang.org/grpc"

	"git.wntrmute.dev/mc/mcdsl/httpserver"
	internacme "git.wntrmute.dev/mc/metacrypt/internal/acme"
	"git.wntrmute.dev/mc/metacrypt/internal/audit"
	"git.wntrmute.dev/mc/metacrypt/internal/auth"
	"git.wntrmute.dev/mc/metacrypt/internal/config"
	"git.wntrmute.dev/mc/metacrypt/internal/engine"
	"git.wntrmute.dev/mc/metacrypt/internal/policy"
	"git.wntrmute.dev/mc/metacrypt/internal/seal"
)

// Server is the Metacrypt HTTP server.
type Server struct {
	cfg          *config.Config
	database     *sql.DB
	seal         *seal.Manager
	auth         *auth.Authenticator
	policy       *policy.Engine
	engines      *engine.Registry
	audit        *audit.Logger
	httpSrv      *httpserver.Server
	grpcSrv      *grpc.Server
	logger       *slog.Logger
	acmeHandlers map[string]*internacme.Handler
	version      string
	acmeMu       sync.Mutex
}

// New creates a new server.
func New(cfg *config.Config, database *sql.DB, sealMgr *seal.Manager, authenticator *auth.Authenticator,
	policyEngine *policy.Engine, engineRegistry *engine.Registry, auditLog *audit.Logger, logger *slog.Logger, version string) *Server {
	s := &Server{
		cfg:      cfg,
		database: database,
		seal:    sealMgr,
		auth:    authenticator,
		policy:  policyEngine,
		engines: engineRegistry,
		audit:   auditLog,
		logger:  logger,
		version: version,
	}
	return s
}

// Start starts the HTTPS server.
func (s *Server) Start() error {
	s.httpSrv = httpserver.New(s.cfg.Server.ServerConfig, s.logger)
	s.httpSrv.Router.Use(s.httpSrv.LoggingMiddleware)
	s.registerRoutes(s.httpSrv.Router)
	return s.httpSrv.ListenAndServeTLS()
}

// Shutdown gracefully shuts down the server.
func (s *Server) Shutdown(ctx context.Context) error {
	if s.httpSrv != nil {
		return s.httpSrv.Shutdown(ctx)
	}
	return nil
}