package logic

import (
	"context"
	"joybuywork/internal/app"
	"joybuywork/internal/plugins/jsonm"
	"joybuywork/internal/repository/dao"
	"joybuywork/internal/service/provider/fissionaction"
	"joybuywork/internal/service/provider/operatelog"
	"joybuywork/internal/utils/merr"
	"joybuywork/proto/go_proto/workerr"
	"fmt"
	"time"

	grds "github.com/go-redis/redis/v8"
	"gits.branchcn.com/backend/microcode/plugins/derivative/lock"
	"go-micro.dev/v4/errors"
)

type afterRunFunc func() (err error)

type afterRuns struct {
	runs     []afterRunFunc
	errRuns  []afterRunFunc
	mustRuns []afterRunFunc
}

type errNotify struct {
	eqCode  []int32
	neqCode map[int32]struct{}
}

type once struct {
	key  string
	lock *lock.RedisLock
}

type Logic struct {
	Context
	cache     *grds.Client
	stop      bool
	afterRuns afterRuns
	afterErr  []error

	once *once // 锁

	errNotify errNotify // 错误通知

	markPoint *fissionaction.MarkPoint // 埋点

	ol *operatelog.OperateLog // 操作日志

	errData jsonm.JsonM
}

// Dao 获取初始化的dao
func (l *Logic) Dao() *dao.Query {
	return l.dao
}

// GetCache 获取cache
func (l *Logic) GetCache() *grds.Client {
	return l.cache
}

// Init 初始化一个逻辑类
func (l *Logic) Init(ctx context.Context, opts ...Option) {
	l.Context.Init(ctx, dao.Q, merr.NewBE(ctx))

	l.cache = app.Redis.Cache
	for _, opt := range opts {
		opt(l)
	}
}

// AddAfterRun 追加运行完之后要执行的方法
func (l *Logic) AddAfterRun(fn afterRunFunc) {
	l.afterRuns.runs = append(l.afterRuns.runs, fn)
}

// AddErrRun 追加错误运行之后要执行的方法
func (l *Logic) AddErrRun(fn afterRunFunc) {
	l.afterRuns.errRuns = append(l.afterRuns.errRuns, fn)
}

// AddMustRun 追加运行之后必须要执行的方法
func (l *Logic) AddMustRun(fn afterRunFunc) {
	l.afterRuns.mustRuns = append(l.afterRuns.mustRuns, fn)
}

// After 执行逻辑后要处理的东西
func (l *Logic) After(err error) {
	l.release()

	// 必须执行
	for _, fn := range l.afterRuns.mustRuns {
		frr := fn()
		if frr == nil {
			continue
		}

		if l.stop {
			return
		}

		l.afterErr = append(l.afterErr, frr)
	}

	// 出错了要执行的
	if err != nil {
		for _, fn := range l.afterRuns.errRuns {
			frr := fn()
			if frr == nil {
				continue
			}

			if l.stop {
				return
			}

			l.afterErr = append(l.afterErr, frr)
		}

		return
	}

	// 没有错误要执行的
	for _, fn := range l.afterRuns.runs {
		frr := fn()
		if frr == nil {
			continue
		}

		if l.stop {
			return
		}

		l.afterErr = append(l.afterErr, frr)
	}

	if l.markPoint != nil {
		l.markPoint.Push()
	}

	if l.ol != nil {
		l.ol.InDB()
	}

	if l.fnTimer != nil {
		l.fnTimer.Push()
	}

	return
}

// CacheSet 缓存设置
func (l *Logic) CacheSet(key string, value any, exp time.Duration) error {
	return l.cacheDone(func() error {
		return l.cache.Set(l.Ctx, key, value, exp).Err()
	})
}

// CacheDel 删除缓存
func (l *Logic) CacheDel(keys ...string) error {
	return l.cacheDone(func() error {
		return l.cache.Del(l.Ctx, keys...).Err()
	})
}

// 缓存操作
func (l *Logic) cacheDone(fn func() error) error {
	if !l.withTran {
		return fn()
	}

	l.AddAfterRun(func() error {
		if err := fn(); err != nil {
			return workerr.InternalServerError(err.Error())
		}
		return nil
	})
	return nil
}

// 锁操作
func (l *Logic) lock() (err error) {
	//不需要锁，或者锁成功了
	if l.once == nil || l.once.lock.SoftLock() {
		return
	}

	return workerr.OnceLockError
}

// 解锁
func (l *Logic) release() {

	if l.once != nil {
		l.once.lock.Release()
	}

	return
}

// Before 执行之前
func (l *Logic) Before() (err error) {
	//先锁任务
	err = l.lock()
	if err != nil {
		return
	}

	return
}

// GetAfterErr 获取执行错误
func (l *Logic) GetAfterErr() []error {
	return l.afterErr
}

func (l *Logic) Data() (data jsonm.JsonM) {
	return l.errData
}

// PushErr 推送错误
func (l *Logic) PushErr(data jsonm.JsonM, err error) {
	wrr, ok := errors.As(err)
	if !ok {
		app.Logger.Error(l.Ctx, fmt.Sprintf("逻辑处理未定义错误: %v, 数据: %s", err, data.ToString()))
		return
	}

	if len(l.errNotify.eqCode) > 0 {
		for _, v := range l.errNotify.eqCode {
			if wrr.GetCode() == v {
				app.Logger.Error(l.Ctx, fmt.Sprintf("逻辑处理错误: %v, 数据: %s", err, data.ToString()))
				return
			}
		}
	}

	if len(l.errNotify.neqCode) > 0 {
		if _, ok1 := l.errNotify.neqCode[wrr.GetCode()]; !ok1 {
			app.Logger.Error(l.Ctx, fmt.Sprintf("逻辑处理错误: %v, 数据: %s", err, data.ToString()))
			return
		}
	}
}

// MP 埋点
func (l *Logic) MP() *fissionaction.MarkPoint {
	return l.markPoint
}

// OL 操作记录
func (l *Logic) OL() *operatelog.OperateLog {
	return l.ol
}