package main

import (
	"bgm/consts"
	"bgm/handler"
	"bgm/helper"
	"bgm/model"
	"fmt"
	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/middleware/logger"
	"github.com/gofiber/fiber/v2/middleware/recover"
	"github.com/gofiber/fiber/v2/middleware/requestid"
	ctxLogger "github.com/luizsuper/ctxLoggers"
	"go.uber.org/zap"
	"os"
	"runtime"
)

const (
	category = "/category"
	script   = "/script"
)

type handleM map[string]func(ctx *fiber.Ctx, mysqlMap bgm.MysqlMap) error

var (
	mysqlMap = make(bgm.MysqlMap, 0)
	err      error
	app      = fiber.New(fiber.Config{
		ErrorHandler: func(ctx *fiber.Ctx, err error) error {
			return ctx.Status(fiber.StatusInternalServerError).JSON(model.Response{Message: "服务器内部错误"})
		},
	})
)

var (
	getHandlerMap  = make(handleM, 0)
	postHandlerMap = make(handleM, 0)
	putHandlerMap  = make(handleM, 0)
	delHandlerMap  = make(handleM, 0)
)

func init() {
	//GetConfig
	bgm.GetConfig()
	getHandlerMap[category] = handler.CreateCategoryH
	//requestId
	app.Use(requestid.New())
	//logger
	app.Use(logger.New(logger.Config{
		Format: "${pid} ${locals:requestid} ${status} - ${method} ${path} ${resBody}\n",
	}))
	//recover
	app.Use(recover.New(recover.Config{
		EnableStackTrace: true,
		StackTraceHandler: func(c *fiber.Ctx, e interface{}) {
			buf := make([]byte, 1024*1024)
			buf = buf[:runtime.Stack(buf, false)]
			ctxLogger.FError(c, consts.PanicError, zap.String(consts.ErrorReason, fmt.Sprintf("panic: %v\n%s\n", e, buf)))
		},
	}))
	mysqlMap, err = bgm.GormMap(bgm.ConfigMap()[bgm.GetConfigKey(consts.DsnPre)])
	if err != nil {
		ctxLogger.FError(nil, consts.GormError, zap.String(consts.ErrorReason, err.Error()))
		os.Exit(-1)
	}
	routerInit()
}

func routerInit() {
	getHandlerMap[category] = handler.GetCategoryH
}

func serverStart() {
	port := bgm.GetEnvDefault(consts.Port, consts.PortDefault)
	err = app.Listen(fmt.Sprintf(":%v", port))
	if err != nil {
		ctxLogger.Error(nil, "", zap.String("err", err.Error()))
		os.Exit(-1)
	}
}

func main() {
	app.Get(fmt.Sprintf("%v", category), func(ctx *fiber.Ctx) error {
		return getHandlerMap[category](ctx, mysqlMap)
	})
	app.Get(fmt.Sprintf("%v/:page/:size", script), func(ctx *fiber.Ctx) error {
		return getHandlerMap[script](ctx, mysqlMap)
	})
	serverStart()
}