// Package aireply AI 回复
package aireply

import (
	"errors"
	"time"

	"github.com/FloatTech/AnimeAPI/aireply"
	"github.com/FloatTech/zbputils/control"
	"github.com/FloatTech/zbputils/ctxext"
	zero "github.com/wdvxdr1123/ZeroBot"
	"github.com/wdvxdr1123/ZeroBot/message"
)

const (
	replyServiceName = "aireply"
)

var replyModes = [...]string{"青云客", "小爱"}

func init() { // 插件主体
	engine := control.Register(replyServiceName, &control.Options{
		DisableOnDefault: false,
		Help: "人工智能回复\n" +
			"- @Bot 任意文本(任意一句话回复)\n- 设置回复模式[青云客  |  小爱]\n- ",
	})
	// 回复 @和包括名字
	engine.OnMessage(zero.OnlyToMe).SetBlock(true).Limit(ctxext.LimitByUser).
		Handle(func(ctx *zero.Ctx) {
			aireply := aireply.NewAIReply(getReplyMode(ctx))
			reply := message.ParseMessageFromString(aireply.Talk(ctx.ExtractPlainText(), zero.BotConfig.NickName[0]))
			// 回复
			time.Sleep(time.Second * 1)
			if zero.OnlyPublic(ctx) {
				reply = append(reply, message.Reply(ctx.Event.MessageID))
				ctx.Send(reply)
				return
			}
			ctx.Send(reply)
		})
	engine.OnPrefix(`设置回复模式`).SetBlock(true).
		Handle(func(ctx *zero.Ctx) {
			param := ctx.State["args"].(string)
			err := setReplyMode(ctx, param)
			if err != nil {
				ctx.SendChain(message.Reply(ctx.Event.MessageID), message.Text(err))
				return
			}
			ctx.SendChain(message.Reply(ctx.Event.MessageID), message.Text("成功"))
		})
}

func setReplyMode(ctx *zero.Ctx, name string) error {
	gid := ctx.Event.GroupID
	if gid == 0 {
		gid = -ctx.Event.UserID
	}
	var ok bool
	var index int64
	for i, s := range replyModes {
		if s == name {
			ok = true
			index = int64(i)
			break
		}
	}
	if !ok {
		return errors.New("no such mode")
	}
	m, ok := control.Lookup(replyServiceName)
	if !ok {
		return errors.New("no such plugin")
	}
	return m.SetData(gid, index)
}

func getReplyMode(ctx *zero.Ctx) (name string) {
	gid := ctx.Event.GroupID
	if gid == 0 {
		gid = -ctx.Event.UserID
	}
	m, ok := control.Lookup(replyServiceName)
	if ok {
		index := m.GetData(gid)
		if int(index) < len(replyModes) {
			return replyModes[index]
		}
	}
	return "青云客"
}