"""Status strip -- persistent 1-row connection/position/signal bar."""

from rich.text import Text
from textual.reactive import reactive
from textual.widgets import Static

# Firmware prompt → display color mapping.
_MENU_COLORS: dict[str, str] = {
    "TRK>": "#00d4aa",
    "MOT>": "#00e060",
    "DVB>": "#2080d0",
    "NVS>": "#e8a020",
    "A3981>": "#00b8c8",
    "STEP>": "#40c0a0",
    "EE>": "#e8a020",
    "OS>": "#8090a0",
    "ADC>": "#00b8c8",
    "GPIO>": "#40c0a0",
    "PEAK>": "#e8c020",
}


class StatusStrip(Static):
    """Persistent status bar showing connection, position, signal, and motor state.

    Docked below the header on every screen. Updated by the app-level
    position poll and signal monitors.
    """

    connected: reactive[bool] = reactive(False)
    demo: reactive[bool] = reactive(False)
    port: reactive[str] = reactive("/dev/ttyUSB0")
    azimuth: reactive[float] = reactive(0.0)
    elevation: reactive[float] = reactive(0.0)
    rssi: reactive[int] = reactive(-1)  # -1 means no data
    motor_state: reactive[str] = reactive("IDLE")
    fw_menu: reactive[str] = reactive("TRK>")

    def render(self) -> Text:
        result = Text()
        sep = Text(" \u2502 ", style="#1a2a38")

        # Connection status
        if self.demo:
            result.append(" DEMO", style="#e8a020 bold italic")
        elif self.connected:
            result.append(" CONNECTED", style="#00e060 bold")
            result.append(f" {self.port}", style="#506878")
        else:
            result.append(" OFFLINE", style="#e04040 bold")

        result.append_text(sep)

        # Position
        result.append("AZ ", style="#506878")
        result.append(f"{self.azimuth:7.2f}", style="#00d4aa bold")
        result.append("  EL ", style="#506878")
        result.append(f"{self.elevation:6.2f}", style="#00d4aa bold")

        result.append_text(sep)

        # Signal (RSSI)
        if self.rssi >= 0:
            result.append("RSSI ", style="#506878")
            result.append(f"{self.rssi}", style="#00b8c8 bold")
        else:
            result.append("RSSI ", style="#384858")
            result.append("---", style="#384858")

        result.append_text(sep)

        # Motor state
        state = self.motor_state
        if state == "MOVING":
            result.append(state, style="#e8c020 bold")
        elif state == "ENGAGED":
            result.append(state, style="#00e060")
        else:
            result.append(state, style="#506878")

        result.append_text(sep)

        # Firmware context
        menu_color = _MENU_COLORS.get(self.fw_menu, "#506878")
        result.append(self.fw_menu, style=f"{menu_color}")

        return result

    def watch_connected(self, _value: bool) -> None:
        self.refresh()

    def watch_demo(self, _value: bool) -> None:
        self.refresh()

    def watch_port(self, _value: str) -> None:
        self.refresh()

    def watch_azimuth(self, _value: float) -> None:
        self.refresh()

    def watch_elevation(self, _value: float) -> None:
        self.refresh()

    def watch_rssi(self, _value: int) -> None:
        self.refresh()

    def watch_motor_state(self, _value: str) -> None:
        self.refresh()

    def watch_fw_menu(self, _value: str) -> None:
        self.refresh()