package svc

import (
	"github.com/casbin/casbin/v2"
	_ "github.com/lib/pq"
	"github.com/zeromicro/go-zero/core/logx"
	"github.com/zeromicro/go-zero/core/stores/sqlx"
	"github.com/zeromicro/go-zero/rest"
	"github.com/zeromicro/go-zero/zrpc"
	"muyu-apiserver/gateway/internal/config"
	"muyu-apiserver/gateway/internal/middleware"
	"muyu-apiserver/gateway/internal/repo"
	pkgcasbin "muyu-apiserver/pkg/casbin"
	"muyu-apiserver/pkg/tenantctx"
	"muyu-apiserver/rpc/inventory/inventoryservice"
	"muyu-apiserver/rpc/production/productionservice"
	"muyu-apiserver/rpc/purchase/purchaseservice"
	"muyu-apiserver/rpc/system/systemservice"
)

type ServiceContext struct {
	Config              config.Config
	AuthorityMiddleware rest.Middleware
	CasbinEnforcer      *casbin.Enforcer
	CrmRepo             *repo.CrmRepo
	SystemRpc           systemservice.SystemService
	InventoryRpc        inventoryservice.InventoryService
	PurchaseRpc         purchaseservice.PurchaseService
	ProductionRpc       productionservice.ProductionService
}

func NewServiceContext(c config.Config) *ServiceContext {
	mysqlConn := sqlx.NewMysql(c.DataSource)

	var pgConn sqlx.SqlConn
	if c.PostgresDataSource != "" {
		pgConn = sqlx.NewSqlConn("postgres", c.PostgresDataSource)
	} else {
		pgConn = mysqlConn
	}

	var enforcer *casbin.Enforcer
	if c.DataSource != "" {
		func() {
			defer func() {
				if r := recover(); r != nil {
					logx.Errorf("init casbin enforcer panic: %v (skipped, running without enforcer)", r)
				}
			}()
			e, err := pkgcasbin.NewEnforcer(c.DataSource)
			if err != nil {
				logx.Errorf("init casbin enforcer failed: %v", err)
				return
			}
			enforcer = e
		}()
	}

	return &ServiceContext{
		Config:              c,
		AuthorityMiddleware: middleware.NewAuthorityMiddleware(enforcer).Handle,
		CasbinEnforcer:      enforcer,
		CrmRepo:             repo.NewCrmRepo(pgConn),
		SystemRpc:           systemservice.NewSystemService(zrpc.MustNewClient(c.SystemRpc, zrpc.WithUnaryClientInterceptor(tenantctx.UnaryClientInterceptor()))),
		InventoryRpc:        inventoryservice.NewInventoryService(zrpc.MustNewClient(c.InventoryRpc, zrpc.WithUnaryClientInterceptor(tenantctx.UnaryClientInterceptor()))),
		PurchaseRpc:         purchaseservice.NewPurchaseService(zrpc.MustNewClient(c.PurchaseRpc, zrpc.WithUnaryClientInterceptor(tenantctx.UnaryClientInterceptor()))),
		ProductionRpc:       productionservice.NewProductionService(zrpc.MustNewClient(c.ProductionRpc, zrpc.WithUnaryClientInterceptor(tenantctx.UnaryClientInterceptor()))),
	}
}