// entry function
package main

import (
	"context"
	"flag"
	"time"

	"modelRT/config"
	"modelRT/database"
	"modelRT/handler"
	"modelRT/log"
	"modelRT/middleware"
	"modelRT/model"

	"github.com/gin-gonic/gin"
	"github.com/panjf2000/ants/v2"
	"go.uber.org/zap"
	"gorm.io/gorm"
)

var limiter *middleware.Limiter

func init() {
	limiter = middleware.NewLimiter(10, 1*time.Minute) // 设置限流器，允许每分钟最多请求10次
}

var (
	modelRTConfigDir  = flag.String("modelRT_config_dir", "./config", "config file dir of model runtime service")
	modelRTConfigName = flag.String("modelRT_config_name", "config", "config file name of model runtime service")
	modelRTConfigType = flag.String("modelRT_config_type", "yaml", "config file type of model runtime service")
)

var (
	modelRTConfig    config.ModelRTConfig
	postgresDBClient *gorm.DB
	logger           *zap.Logger
)

// TODO 使用 wire 依赖注入
func main() {
	flag.Parse()
	ctx := context.TODO()

	modelRTConfig = config.ReadAndInitConfig(*modelRTConfigDir, *modelRTConfigName, *modelRTConfigType)
	// init postgresDBClient
	postgresDBClient = database.GetPostgresDBInstance(ctx, modelRTConfig.PostgresDBURI)

	defer func() {
		sqlDB, err := postgresDBClient.DB()
		if err != nil {
			panic(err)
		}
		sqlDB.Close()
	}()

	// init logger
	logger = log.GetLoggerInstance(modelRTConfig.LoggerConfig)
	defer logger.Sync()

	// init ants pool
	pool, err := ants.NewPoolWithFunc(modelRTConfig.ParseConcurrentQuantity, model.ParseFunc)
	if err != nil {
		logger.Error("init concurrent parse task pool failed", zap.Error(err))
		panic(err)
	}
	defer ants.Release()

	// load circuit diagram from postgres
	err = database.QueryCircuitDiagramComponentFromDB(ctx, pool, logger)
	if err != nil {
		logger.Error("load circuit diagrams from postgres failed", zap.Error(err))
		panic(err)
	}

	err = database.QueryTopologicFromDB(ctx, logger, modelRTConfig.GridID, modelRTConfig.ZoneID, modelRTConfig.StationID)
	if err != nil {
		logger.Error("load topologic info from postgres failed", zap.Error(err))
		panic(err)
	}

	engine := gin.Default()
	engine.Use(limiter.Middleware)
	engine.GET("/model/diagram_load", handler.CircuitDiagramLoadHandler)
	engine.POST("/model/diagram_create", nil)
	engine.POST("/model/diagram_update", nil)
	engine.POST("/model/diagram_delete", nil)

	// start route with 8080 port
	engine.Run(":8080")

	// Redis hashmap 母线模型、异步电动机模型

	// kv key name value busx
}