package coordinator

import (
	"fmt"
	"time"

	. "git.saintnet.tech/tomecraft/tome_game"
	. "git.saintnet.tech/tomecraft/tome_lib"
	"github.com/google/uuid"
)

type Session struct {
	ID         uuid.UUID
	p1         uuid.UUID
	p2         uuid.UUID
	pMap       map[uuid.UUID]int
	Active     bool
	Game       *Game
	Watcher    chan bool
	Broadcasts map[uuid.UUID]chan SessionResp
	LastMove   time.Time
}

func NewSession() *Session {
	return &Session{
		ID:         uuid.New(),
		p1:         uuid.Nil,
		p2:         uuid.Nil,
		pMap:       make(map[uuid.UUID]int),
		Active:     false,
		Game:       nil,
		Watcher:    make(chan bool),
		Broadcasts: make(map[uuid.UUID]chan SessionResp),
		LastMove:   time.Now(),
	}
}

func (s *Session) Join(id uuid.UUID) SessionResp {
	if s.p1 == uuid.Nil {
		s.p1 = id
		s.pMap[id] = SentinalID
		for _, v := range s.Broadcasts {
			v <- SessionRespBroadcastSenJoin
		}
		return SessionRespJoined1
	} else if s.p2 == uuid.Nil {
		s.p2 = id
		s.pMap[id] = ScourgeID
		for _, v := range s.Broadcasts {
			v <- SessionRespBroadcastScoJoin
		}
		return SessionRespJoined2
	} else {
		return SessionRespJoinError
	}
}

func (s *Session) Leave(id uuid.UUID) {
	if id == s.p1 {
		s.p1 = uuid.Nil
	} else if id == s.p2 {
		s.p2 = uuid.Nil
	}
	delete(s.Broadcasts, id)
	if s.p1 == uuid.Nil && s.p2 == uuid.Nil {
		s.Game = nil
	} else if s.Game.Status != StatusDraw || s.Game.Status != StatusScourgeWin || s.Game.Status != StatusSentinalWin {
		s.Game.Status = StatusStop
	}
}

func (s *Session) Play(id uuid.UUID, cmd *Command) *CommandResult {
	if s.pMap[id] != cmd.PlayerID {
		return nil
	}
	if cmd.Type != SessionCmdPoll {
		s.LastMove = time.Now()
	}
	res := s.Game.Parse(cmd)
	return res
}

func (s *Session) PlayerIn(id uuid.UUID) bool {
	_, exists := s.pMap[id]
	return exists
}

type SessionCommand struct {
	ID          uuid.UUID  `json:"player_id"`
	MatchID     uuid.UUID  `json:"match_id"`
	Command     SessionCmd `json:"command"`
	GameCommand *Command   `json:"game_command,omitempty"`
}

func (s *SessionCommand) String() string {
	return fmt.Sprintf("%v %v %v\n", s.ID, s.Command, s.GameCommand)
}

type SessionCommandResult struct {
	ID         uuid.UUID      `json:"player_id"`
	MatchID    uuid.UUID      `json:"match_id"`
	Result     SessionResp    `json:"result"`
	GameResult *CommandResult `json:"game_result,omitempty"`
}

func (s *SessionCommandResult) String() string {
	return fmt.Sprintf("%v %v %v\n", s.ID, s.Result, s.GameResult)
}