package channelserver

import (
	"erupe-ce/internal/model"

	"erupe-ce/config"
	"erupe-ce/network/mhfpacket"
	"erupe-ce/utils/byteframe"
	ps "erupe-ce/utils/pascalstring"
	"erupe-ce/utils/stringsupport"

	"github.com/jmoiron/sqlx"
)

func handleMsgMhfEnumerateCampaign(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
	pkt := p.(*mhfpacket.MsgMhfEnumerateCampaign)
	bf := byteframe.NewByteFrame()

	events := []model.CampaignEvent{}
	categories := []model.CampaignCategory{}
	var campaignLinks []model.CampaignLink

	if len(events) > 255 {
		bf.WriteUint8(255)
		bf.WriteUint16(uint16(len(events)))
	} else {
		bf.WriteUint8(uint8(len(events)))
	}
	for _, event := range events {
		bf.WriteUint32(event.ID)
		bf.WriteUint32(event.Unk0)
		bf.WriteInt16(event.MinHR)
		bf.WriteInt16(event.MaxHR)
		bf.WriteInt16(event.MinSR)
		bf.WriteInt16(event.MaxSR)
		if config.GetConfig().ClientID >= config.G3 {
			bf.WriteInt16(event.MinGR)
			bf.WriteInt16(event.MaxGR)
		}
		bf.WriteUint16(event.Unk1)
		bf.WriteUint8(event.Unk2)
		bf.WriteUint8(event.Unk3)
		bf.WriteUint16(event.Unk4)
		bf.WriteUint16(event.Unk5)
		bf.WriteUint32(uint32(event.Start.Unix()))
		bf.WriteUint32(uint32(event.End.Unix()))
		bf.WriteUint8(event.Unk6)
		ps.Uint8(bf, event.String0, true)
		ps.Uint8(bf, event.String1, true)
		ps.Uint8(bf, event.String2, true)
		ps.Uint8(bf, event.String3, true)
		ps.Uint8(bf, event.Link, true)
		for i := range event.Categories {
			campaignLinks = append(campaignLinks, model.CampaignLink{event.Categories[i], event.ID})
		}
	}

	if len(events) > 255 {
		bf.WriteUint8(255)
		bf.WriteUint16(uint16(len(events)))
	} else {
		bf.WriteUint8(uint8(len(events)))
	}
	for _, event := range events {
		bf.WriteUint32(event.ID)
		bf.WriteUint8(1) // Always 1?
		bf.WriteBytes([]byte(event.Prefix))
	}

	if len(categories) > 255 {
		bf.WriteUint8(255)
		bf.WriteUint16(uint16(len(categories)))
	} else {
		bf.WriteUint8(uint8(len(categories)))
	}
	for _, category := range categories {
		bf.WriteUint16(category.ID)
		bf.WriteUint8(category.Type)
		xTitle := stringsupport.UTF8ToSJIS(category.Title)
		xDescription := stringsupport.UTF8ToSJIS(category.Description)
		bf.WriteUint8(uint8(len(xTitle)))
		bf.WriteUint8(uint8(len(xDescription)))
		bf.WriteBytes(xTitle)
		bf.WriteBytes(xDescription)
	}

	if len(campaignLinks) > 255 {
		bf.WriteUint8(255)
		bf.WriteUint16(uint16(len(campaignLinks)))
	} else {
		bf.WriteUint8(uint8(len(campaignLinks)))
	}
	for _, link := range campaignLinks {
		bf.WriteUint16(link.CategoryID)
		bf.WriteUint32(link.CampaignID)
	}
	s.DoAckBufSucceed(pkt.AckHandle, bf.Data())
}

func handleMsgMhfStateCampaign(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
	pkt := p.(*mhfpacket.MsgMhfStateCampaign)
	bf := byteframe.NewByteFrame()
	bf.WriteUint16(1)
	bf.WriteUint16(0)
	s.DoAckBufSucceed(pkt.AckHandle, bf.Data())
}

func handleMsgMhfApplyCampaign(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
	pkt := p.(*mhfpacket.MsgMhfApplyCampaign)
	bf := byteframe.NewByteFrame()
	bf.WriteUint32(1)
	s.DoAckSimpleSucceed(pkt.AckHandle, bf.Data())
}

func handleMsgMhfEnumerateItem(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
	pkt := p.(*mhfpacket.MsgMhfEnumerateItem)
	items := []struct {
		Unk0 uint32
		Unk1 uint16
		Unk2 uint16
		Unk3 uint16
		Unk4 uint32
		Unk5 uint32
	}{}
	bf := byteframe.NewByteFrame()
	bf.WriteUint16(uint16(len(items)))
	for _, item := range items {
		bf.WriteUint32(item.Unk0)
		bf.WriteUint16(item.Unk1)
		bf.WriteUint16(item.Unk2)
		bf.WriteUint16(item.Unk3)
		bf.WriteUint32(item.Unk4)
		bf.WriteUint32(item.Unk5)
	}
	s.DoAckBufSucceed(pkt.AckHandle, bf.Data())
}

func handleMsgMhfAcquireItem(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
	pkt := p.(*mhfpacket.MsgMhfAcquireItem)
	s.DoAckSimpleSucceed(pkt.AckHandle, make([]byte, 4))
}