package main

import (
	"encoding/json"
	"log"

	"git.saintnet.tech/tomecraft/tome_game"
	"git.saintnet.tech/tomecraft/tome_lib"
	"github.com/google/uuid"
	"maunium.net/go/mautrix/event"
	"maunium.net/go/mautrix/id"
)

type Match struct {
	ID         uuid.UUID
	Game       *tome_game.Game
	P1         id.UserID
	P1Room     id.RoomID
	P2         id.UserID
	P2Room     id.RoomID
	Dealer     id.UserID
	MatrixRoom id.RoomID
}

type MatchResp struct {
	Body    string
	Private bool
}

func NewMatch() *Match {
	return &Match{
		ID:         uuid.New(),
		Game:       nil,
		P1:         "",
		P1Room:     "",
		P2:         "",
		P2Room:     "",
		MatrixRoom: "",
	}
}

func (m *Match) ParseAction(msg string) MatchResp {
	var cmd tome_lib.Command
	err := json.Unmarshal([]byte(msg), &cmd)
	if err != nil {
		log.Printf("error unmarshaling gamecommand %v", err)
		return MatchResp{Body: "", Private: false}
	}
	res := m.Game.Parse(&cmd)
	match_res := MatchResp{
		Body:    res.String(),
		Private: (cmd.Type == tome_lib.ActCmd && cmd.String() == "d"),
	}
	return match_res

}

func (m *Match) JoinOrLeave(members map[id.UserID]struct {
	DisplayName *string `json:"display_name"`
	AvatarURL   *string `json:"avatar_url"`
}, evt *event.MemberEventContent) {
	_, p1ok := members[m.P1]
	_, p2ok := members[m.P2]
	if evt.Membership == event.MembershipJoin {
		if m.Game != nil {
			//players are already here, we don't care about joins
			return
		}
		if p1ok && p2ok {
			log.Println("both players are in the room now")
			m.Game = tome_game.NewGame([]int{}, []int{})
		}
	} else if evt.Membership == event.MembershipLeave {
		if !p1ok || !p2ok {
			if m.Game.Status != tome_lib.StatusDraw ||
				m.Game.Status != tome_lib.StatusScourgeWin ||
				m.Game.Status != tome_lib.StatusSentinalWin {

				m.Game.Status = tome_lib.StatusStop
				log.Println("user left match; stopping")
			}
		}
	} else {
		log.Println("disregarding membership event we don't care about")
	}

}
func (m *Match) IsPlayer(person id.UserID) bool {
	return (person == m.P1 || person == m.P2 || person == m.Dealer)
}