gti_radiostudio/cart_widget.py

# cart_widget.py

from PySide6.QtWidgets import (
    QWidget, QVBoxLayout, QHBoxLayout, QLabel,
    QPushButton, QFrame, QSizePolicy, QCheckBox, QScrollArea
)
from PySide6.QtCore import Qt, QTimer, QSize, Signal
from PySide6.QtGui import QFont
import os

from icons import icon_play, icon_pause, icon_eject, icon_delete


class CartPlayerWidget(QFrame):
    """Single active cart player with visible 3-item autoload queue."""
    cart_triggered = Signal(str)

    def __init__(self, engine, parent=None):
        super().__init__(parent)
        self.engine = engine
        self._playing_icon = False

        self.setFrameStyle(QFrame.Box | QFrame.Raised)
        self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        self.setFixedHeight(160)
        self._build_ui()
        self._connect_signals()

        self.timer = QTimer(self)
        self.timer.setInterval(100)
        self.timer.timeout.connect(self._refresh_display)
        self.timer.start()

        self.queue_timer = QTimer(self)
        self.queue_timer.setInterval(500)
        self.queue_timer.timeout.connect(self._refresh_queue)
        self.queue_timer.start()

    def _build_ui(self):
        self.setStyleSheet("""
            QFrame {
                background-color: #111;
                border: 2px solid #cc3300;
                border-radius: 6px;
            }
        """)
        root = QHBoxLayout(self)
        root.setContentsMargins(10, 8, 10, 8)
        root.setSpacing(10)

        # ── Left: Cart player box ──────────────────────────────────
        player_frame = QFrame()
        player_frame.setStyleSheet("""
            QFrame {
                background-color: #1a1a1a;
                border: 1px solid #333;
                border-radius: 5px;
            }
        """)
        player_frame.setFixedWidth(320)
        player_layout = QVBoxLayout(player_frame)
        player_layout.setContentsMargins(10, 8, 10, 8)
        player_layout.setSpacing(6)

        header_row = QHBoxLayout()
        badge = QLabel("1")
        badge.setFixedSize(26, 26)
        badge.setAlignment(Qt.AlignCenter)
        badge.setFont(QFont("Arial", 12, QFont.Bold))
        badge.setStyleSheet("""
            background-color: #cc3300;
            color: white;
            border-radius: 15px;
            border: none;
        """)
        header_row.addWidget(badge)

        cart_label = QLabel("CART")
        cart_label.setFont(QFont("Arial", 12, QFont.Bold))
        cart_label.setStyleSheet("color: #cc3300; background: transparent; border: none;")
        header_row.addWidget(cart_label)

        self.continue_toggle = QCheckBox("CONTINUE")
        self.continue_toggle.setFont(QFont("Arial", 9, QFont.Bold))
        self.continue_toggle.setStyleSheet("""
            QCheckBox {
                color: #888; background: transparent; border: none; spacing: 4px;
            }
            QCheckBox::indicator {
                width: 16px; height: 16px;
                border: 1px solid #555; border-radius: 3px;
                background-color: #1a1a1a;
            }
            QCheckBox::indicator:checked {
                background-color: #cc3300; border-color: #ff6644;
            }
            QCheckBox::indicator:hover { border-color: #888; }
        """)
        self.continue_toggle.setToolTip("Auto-play next track from queue after current finishes")
        self.continue_toggle.stateChanged.connect(self._on_continue_toggled)
        header_row.addWidget(self.continue_toggle)
        header_row.addStretch()
        player_layout.addLayout(header_row)

        # LCD display
        self.lcd_frame = QFrame()
        self.lcd_frame.setStyleSheet("""
            QFrame {
                background-color: #0a1a0a;
                border: 1px solid #1a2a1a;
                border-radius: 3px;
            }
        """)
        lcd_layout = QHBoxLayout(self.lcd_frame)
        lcd_layout.setContentsMargins(8, 4, 8, 4)
        lcd_layout.setSpacing(6)

        lcd_left = QVBoxLayout()
        lcd_left.setSpacing(2)

        self.track_label = QLabel("EMPTY")
        self.track_label.setFont(QFont("Courier New", 9, QFont.Bold))
        self.track_label.setStyleSheet("color: #00ff41; background: transparent; border: none;")
        self.track_label.setMinimumWidth(180)

        time_row = QHBoxLayout()
        self.elapsed_label = QLabel("00:00")
        self.elapsed_label.setFont(QFont("Courier New", 18, QFont.Bold))
        self.elapsed_label.setStyleSheet("color: #00ff41; background: transparent; border: none;")

        self.remaining_label = QLabel("-00:00")
        self.remaining_label.setFont(QFont("Courier New", 10, QFont.Bold))
        self.remaining_label.setStyleSheet("color: #00cc33; background: transparent; border: none;")
        self.remaining_label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)

        time_row.addWidget(self.elapsed_label)
        time_row.addStretch()
        time_row.addWidget(self.remaining_label)

        self.status_label = QLabel("STOPPED")
        self.status_label.setFont(QFont("Courier New", 8))
        self.status_label.setStyleSheet("color: #008822; background: transparent; border: none;")

        lcd_left.addWidget(self.track_label)
        lcd_left.addLayout(time_row)
        lcd_left.addWidget(self.status_label)
        lcd_layout.addLayout(lcd_left)

        btn_col = QVBoxLayout()
        btn_col.setSpacing(3)

        self.btn_play = QPushButton()
        self.btn_play.setFixedSize(56, 36)
        self.btn_play.setIconSize(QSize(22, 22))
        self.btn_play.setIcon(icon_play("#00ff41"))
        self.btn_play.setStyleSheet("""
            QPushButton {
                background-color: #1a6b3a;
                border: 1px solid #555;
                border-radius: 3px;
            }
            QPushButton:hover { background-color: #2a7b4a; }
            QPushButton:pressed { background-color: #0a5a2a; }
        """)

        self.btn_eject = QPushButton()
        self.btn_eject.setFixedSize(56, 28)
        self.btn_eject.setIconSize(QSize(16, 16))
        self.btn_eject.setIcon(icon_eject("#ff4444"))
        self.btn_eject.setStyleSheet("""
            QPushButton {
                background-color: #8a1a1a;
                border: 1px solid #555;
                border-radius: 3px;
            }
            QPushButton:hover { background-color: #9a2a2a; }
            QPushButton:pressed { background-color: #6a0a0a; }
        """)

        btn_col.addWidget(self.btn_play)
        btn_col.addWidget(self.btn_eject)
        lcd_layout.addLayout(btn_col)

        player_layout.addWidget(self.lcd_frame)
        root.addWidget(player_frame)

        # ── Right: Queue panel ──────────────────────────────────────
        queue_frame = QFrame()
        queue_frame.setStyleSheet("""
            QFrame {
                background-color: #111;
                border: 1px solid #2a2010;
                border-radius: 5px;
            }
        """)
        queue_frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        queue_layout = QVBoxLayout(queue_frame)
        queue_layout.setContentsMargins(8, 6, 8, 6)
        queue_layout.setSpacing(2)

        queue_header = QHBoxLayout()
        ql = QLabel("AUTOLOAD QUEUE")
        ql.setFont(QFont("Arial", 9, QFont.Bold))
        ql.setStyleSheet("color: #ffaa00; background: transparent; border: none;")
        queue_header.addWidget(ql)
        queue_header.addStretch()

        self.queue_count = QLabel("0/3")
        self.queue_count.setFont(QFont("Courier New", 9, QFont.Bold))
        self.queue_count.setStyleSheet("color: #555; background: transparent; border: none;")
        queue_header.addWidget(self.queue_count)

        clear_btn = QPushButton("CLR")
        clear_btn.setFixedSize(40, 20)
        clear_btn.setFont(QFont("Arial", 7, QFont.Bold))
        clear_btn.setStyleSheet("""
            QPushButton {
                background-color: #3a1a1a;
                color: #ff6666;
                border: 1px solid #555;
                border-radius: 3px;
            }
            QPushButton:hover { background-color: #5a2a2a; }
        """)
        clear_btn.clicked.connect(self.engine.clear_cart_queue)
        queue_header.addWidget(clear_btn)
        queue_layout.addLayout(queue_header)

        self.queue_items = []
        for i in range(3):
            item = QLabel(f"  —  ")
            item.setFont(QFont("Courier New", 9))
            item.setStyleSheet("color: #555; background: transparent; border: none; padding: 2px 4px;")
            item.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
            queue_layout.addWidget(item)
            self.queue_items.append(item)

        queue_layout.addStretch()
        root.addWidget(queue_frame)

    def _connect_signals(self):
        self.btn_play.clicked.connect(self._toggle_play)
        self.btn_eject.clicked.connect(self._eject)

    def _on_continue_toggled(self, state):
        self.engine.cart_continue = bool(state)

    def load_track(self, filepath: str):
        self.engine.load_cart_track("cart1", filepath)
        name = os.path.basename(filepath)
        short = name[:32] + "..." if len(name) > 32 else name
        self.track_label.setText(short)
        self.status_label.setText("LOADED")
        self.elapsed_label.setText("00:00")
        self.remaining_label.setText("-00:00")

    def toggle(self):
        deck = self.engine.decks["cart1"]
        if deck.track is None:
            return
        if deck.playing:
            deck.stop()
            deck.go_to_start()
            self._set_ui_stopped()
            self.status_label.setText("READY")
        else:
            deck.play()
            self._set_ui_playing()
            self.engine.log_cart_trigger(deck.track.filename)
            self.cart_triggered.emit(deck.track.filename)

    def _set_ui_playing(self):
        self.btn_play.setIcon(icon_pause("#ffffff"))
        self._playing_icon = True
        self.btn_play.setStyleSheet("""
            QPushButton {
                background-color: #00aa33; border: 1px solid #00ff41; border-radius: 3px;
            }
            QPushButton:hover { background-color: #00cc44; }
        """)
        self.status_label.setText("PLAYING")
        self.elapsed_label.setStyleSheet("color: #00ff41; background: transparent; border: none;")

    def _set_ui_stopped(self):
        self.btn_play.setIcon(icon_play("#00ff41"))
        self._playing_icon = False
        self.btn_play.setStyleSheet("""
            QPushButton {
                background-color: #1a6b3a; border: 1px solid #555; border-radius: 3px;
            }
            QPushButton:hover { background-color: #2a7b4a; }
        """)
        self.elapsed_label.setText("00:00")
        self.remaining_label.setText("-00:00")
        self.elapsed_label.setStyleSheet("color: #00aa2a; background: transparent; border: none;")

    def _toggle_play(self):
        deck = self.engine.decks["cart1"]
        if deck.track is None:
            return
        if deck.playing:
            deck.pause()
            self._set_ui_stopped()
            self.status_label.setText("PAUSED")
        else:
            deck.play()
            self._set_ui_playing()
            self.engine.log_cart_trigger(deck.track.filename)
            self.cart_triggered.emit(deck.track.filename)

    def _eject(self):
        deck = self.engine.decks["cart1"]
        deck.stop()
        self._set_ui_stopped()
        self.track_label.setText("EMPTY")
        self.status_label.setText("STOPPED")

    def _refresh_display(self):
        deck = self.engine.decks["cart1"]
        track = deck.track
        playing = deck.playing

        if not playing and self._playing_icon:
            self._set_ui_stopped()
            self.status_label.setText("STOPPED")

        if track:
            self.elapsed_label.setText(deck.get_elapsed())
            self.remaining_label.setText(deck.get_remaining())

    def _refresh_queue(self):
        q = self.engine.cart_queue
        qlen = len(q)
        self.queue_count.setText(f"{qlen}/3")
        if qlen == 0:
            self.queue_count.setStyleSheet("color: #555; background: transparent; border: none;")
        elif qlen < 3:
            self.queue_count.setStyleSheet("color: #ffaa00; background: transparent; border: none;")
        else:
            self.queue_count.setStyleSheet("color: #ff4444; background: transparent; border: none;")

        for i in range(3):
            if i < qlen:
                name = q[i].filename
                name = name[:35] + "..." if len(name) > 35 else name
                self.queue_items[i].setText(f"  {i+1}. {name}")
                self.queue_items[i].setStyleSheet("color: #ffaa00; background: transparent; border: none; padding: 2px 4px;")
            else:
                self.queue_items[i].setText("  —  ")
                self.queue_items[i].setStyleSheet("color: #333; background: transparent; border: none; padding: 2px 4px;")

        if not self.engine.cart_continue and self.continue_toggle.isChecked():
            self.continue_toggle.blockSignals(True)
            self.continue_toggle.setChecked(False)
            self.continue_toggle.blockSignals(False)

    def apply_theme(self, theme: dict):
        self.lcd_frame.setStyleSheet(f"""
            QFrame {{
                background-color: {theme['bg']};
                border: 1px solid {theme['border']};
                border-radius: 3px;
            }}
        """)