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package views
import (
"fmt"
"strings"
"github.com/boozec/rahanna/internal/api/database"
"github.com/boozec/rahanna/internal/network"
"github.com/boozec/rahanna/pkg/ui/multiplayer"
"github.com/charmbracelet/bubbles/list"
"github.com/charmbracelet/bubbles/textinput"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
"github.com/notnil/chess"
)
// GameModel represents the state of the game view.
type GameModel struct {
// UI dimensions
width int
height int
// UI state
err error
keys gameKeyMap
// Game state
peer string
currentGameID int
game *database.Game
network *multiplayer.GameNetwork
chessGame *chess.Game
incomingMoves chan string
turn int
availableMovesList list.Model
}
// NewGameModel creates a new GameModel.
func NewGameModel(width, height int, peer string, currentGameID int, network *multiplayer.GameNetwork) GameModel {
listDelegate := list.NewDefaultDelegate()
listDelegate.ShowDescription = false
listDelegate.Styles.SelectedTitle = lipgloss.NewStyle().
Border(lipgloss.NormalBorder(), false, false, false, true).
BorderForeground(highlightColor).
Foreground(highlightColor).
Padding(0, 0, 0, 1)
moveList := list.New([]list.Item{}, listDelegate, width/4, height/2)
moveList.Styles.Title = lipgloss.NewStyle().
Background(highlightColor).
Foreground(lipgloss.Color("230")).
Padding(0, 1)
return GameModel{
width: width,
height: height,
keys: defaultGameKeyMap,
peer: peer,
currentGameID: currentGameID,
network: network,
chessGame: chess.NewGame(chess.UseNotation(chess.UCINotation{})),
incomingMoves: make(chan string),
turn: 0,
availableMovesList: moveList,
}
}
// Init initializes the GameModel.
func (m GameModel) Init() tea.Cmd {
ClearScreen()
return tea.Batch(textinput.Blink, m.getGame(), m.getMoves(), m.updateMovesListCmd())
}
// Update handles incoming messages and updates the GameModel.
func (m GameModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if exit := handleExit(msg); exit != nil {
return m, exit
}
var cmds []tea.Cmd
var cmd tea.Cmd
switch msg := msg.(type) {
case tea.WindowSizeMsg:
m, cmd = m.handleWindowSizeMsg(msg)
cmds = append(cmds, cmd)
case UpdateMovesListMsg:
m = m.handleUpdateMovesListMsg()
case tea.KeyMsg:
m, cmd = m.handleKeyMsg(msg)
cmds = append(cmds, cmd)
case ChessMoveMsg:
m, cmd = m.handleChessMoveMsg(msg)
cmds = append(cmds, cmd)
case database.Game:
m = m.handleDatabaseGameMsg(msg)
cmds = append(cmds, m.updateMovesListCmd())
}
if m.isMyTurn() {
m.availableMovesList, cmd = m.availableMovesList.Update(msg)
switch msg := msg.(type) {
case tea.KeyMsg:
if msg.Type == tea.KeyEnter {
selectedItem := m.availableMovesList.SelectedItem()
if selectedItem != nil {
moveStr := strings.Replace(selectedItem.(item).Title(), " → ", "", 1)
m.network.Server.Send(network.NetworkID(m.peer), []byte(moveStr))
m.chessGame.MoveStr(moveStr)
m.turn++
cmds = append(cmds, m.getMoves(), m.updateMovesListCmd())
}
}
}
cmds = append(cmds, cmd)
}
return m, tea.Batch(cmds...)
}
// View renders the GameModel.
func (m GameModel) View() string {
formWidth := getFormWidth(m.width)
if m.game == nil {
return "Loading game..."
}
listWidth := formWidth / 4
boardWidth := formWidth / 2
notationWidth := formWidth - listWidth - boardWidth - 2
listHeight := m.height / 3
boardHeight := m.height / 3
notationHeight := m.height - listHeight - boardHeight - 2
listStyle := lipgloss.NewStyle().Width(listWidth).Height(listHeight).Padding(0, 1)
boardStyle := lipgloss.NewStyle().Width(boardWidth).Height(boardHeight).Align(lipgloss.Center).Padding(0, 1)
notationStyle := lipgloss.NewStyle().Width(notationWidth).Height(notationHeight).Padding(0, 1)
var availableMovesListView string
if m.isMyTurn() {
m.availableMovesList.SetSize(listWidth, listHeight-2)
availableMovesListView = listStyle.Render(m.availableMovesList.View())
} else {
availableMovesListView = listStyle.Render(lipgloss.Place(listWidth, listHeight, lipgloss.Center, lipgloss.Center, "Wait your turn"))
}
var movesListStr string
for i, move := range m.chessGame.Moves() {
if i%2 == 0 {
movesListStr += altCodeStyle.Render(fmt.Sprintf("[%d]", i/2)) + fmt.Sprintf(" %s → %s", move.S1().String(), move.S2().String())
} else {
movesListStr += fmt.Sprintf(", %s → %s\n", move.S1().String(), move.S2().String())
}
}
// TODO: a faster solution withoout strings.Split and strings.Join
moves := strings.Split(movesListStr, "[")
if len(moves) > 10 {
start := len(moves) - 10
movesListStr = "[" + strings.Join(moves[start:], "[")
} else {
movesListStr = strings.Join(moves, "[")
}
var errorStr string
if m.err != nil {
errorStr = m.err.Error()
}
content := lipgloss.JoinVertical(
lipgloss.Center,
lipgloss.NewStyle().Foreground(lipgloss.Color("#f1c40f")).Render(fmt.Sprintf("%s vs %s", m.game.Player1.Username, m.game.Player2.Username)),
lipgloss.JoinHorizontal(
lipgloss.Top,
availableMovesListView,
boardStyle.Render(
m.chessGame.Position().Board().Draw(),
),
notationStyle.Render(
lipgloss.JoinVertical(
lipgloss.Left,
lipgloss.NewStyle().Background(highlightColor).Foreground(lipgloss.Color("230")).Padding(0, 1).MarginBottom(1).Render("Moves"),
movesListStr,
),
),
),
)
windowContent := m.buildWindowContent(content, formWidth)
buttons := m.renderNavigationButtons()
centeredContent := lipgloss.JoinVertical(
lipgloss.Center,
getLogo(m.width),
windowContent,
errorStyle.Width(formWidth/2).Render(errorStr),
lipgloss.NewStyle().MarginTop(2).Render(buttons),
)
return lipgloss.Place(
m.width,
m.height,
lipgloss.Center,
lipgloss.Center,
centeredContent,
)
}
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