# SPDX-FileCopyrightText: 2025 Brett Walach for Particle
#
# SPDX-License-Identifier: MIT
"""Quectel QCM6490 pin names"""
# from adafruit_blinka.microcontroller.generic_linux.sysfs_pin import Pin
# from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin
from adafruit_blinka.microcontroller.generic_linux.libgpiod_pin import Pin as GenericLinuxPin

import os

# Release (unexport)  all pins on init and set to INPUT mode
class Pin(GenericLinuxPin):
    def __init__(self, pin_id):
        self._release_sysfs_gpio(pin_id)
        super().__init__(pin_id)

    def _release_sysfs_gpio(self, pin_id, base_offset=336):
        # pin_id might be a tuple like (chip_id, line_number)
        if isinstance(pin_id, tuple):
            _, line_number = pin_id
        else:
            line_number = pin_id

        gpio_num = base_offset + int(line_number)
        gpio_path = f"/sys/class/gpio/gpio{gpio_num}"

        try:
            if not os.path.exists(gpio_path):
                with open("/sys/class/gpio/export", "w") as f:
                    f.write(f"{gpio_num}")
            with open(f"{gpio_path}/direction", "w") as f:
                f.write("in")
            with open("/sys/class/gpio/unexport", "w") as f:
                f.write(f"{gpio_num}")
        except Exception:
            # fail silently if not allowed
            pass

# Use with sysfs_pin
# GPIO_BASE = 336

# Use with libgpiod_pin
GPIO_BASE = 0

GPIO_6 = Pin(GPIO_BASE + 6)
UART01_TXD = GPIO_6
PWM1 = GPIO_6
GPIO_8 = Pin(GPIO_BASE + 8)
I2C02_SDA = GPIO_8
SDA = GPIO_8
GPIO_9 = Pin(GPIO_BASE + 9)
I2C02_SCL = GPIO_9
SCL = GPIO_9
GPIO_18 = Pin(GPIO_BASE + 18)
UART04_TXD = GPIO_18
SPI04_CLK = GPIO_18
GPIO_19 = Pin(GPIO_BASE + 19)
UART04_RXD = GPIO_19
SPI04_CS0 = GPIO_19
GPIO_24 = Pin(GPIO_BASE + 24)
GPIO_33 = Pin(GPIO_BASE + 33)
UART10_RTS = GPIO_33
SPI10_MOSI = GPIO_33
I2C10_SCL = GPIO_33
GPIO_34 = Pin(GPIO_BASE + 34)
UART10_TXD = GPIO_34
SPI10_CLK = GPIO_34
GPIO_36 = Pin(GPIO_BASE + 36)
UART11_CTS = GPIO_36
SPI11_MISO = GPIO_36
I2C11_SDA = GPIO_36
EEPROM_SDA = GPIO_36
GPIO_37 = Pin(GPIO_BASE + 37)
UART11_RTS = GPIO_37
SPI11_MOSI = GPIO_37
I2C11_SCL = GPIO_37
GPIO_48 = Pin(GPIO_BASE + 48)
UART14_CTS = GPIO_48
I2C14_SDA = GPIO_48
SPI14_MISO = GPIO_48
CTS = GPIO_48
GPIO_49 = Pin(GPIO_BASE + 49)
UART14_RTS = GPIO_49
I2C14_SCL = GPIO_49
SPI14_MOSI = GPIO_49
RTS = GPIO_49
GPIO_50 = Pin(GPIO_BASE + 50)
UART14_TXD = GPIO_50
SPI14_CLK = GPIO_50
SPI16_CS3 = GPIO_50
TX = GPIO_50
GPIO_51 = Pin(GPIO_BASE + 51)
UART14_RXD = GPIO_51
SPI14_CS0 = GPIO_51
RX = GPIO_51
GPIO_56 = Pin(GPIO_BASE + 56)
MISO = GPIO_56
GPIO_57 = Pin(GPIO_BASE + 57)
SPI16_MOSI = GPIO_57
I2C16_SCL = GPIO_57
UART16_RTS = GPIO_57
SPI16_MISO = GPIO_57
I2C16_SDA = GPIO_57
UART16_CTS = GPIO_57
MOSI = GPIO_57
GPIO_58 = Pin(GPIO_BASE + 58)
SPI16_CLK = GPIO_58
UART16_TXD = GPIO_58
SCK = GPIO_58
GPIO_59 = Pin(GPIO_BASE + 59)
SPI16_CS0 = GPIO_59
UART16_RXD = GPIO_59
GPIO_61 = Pin((0, GPIO_BASE + 61))
GPIO_62 = Pin(GPIO_BASE + 62)
SPI16_CS1 = GPIO_62
GPIO_106 = Pin(GPIO_BASE + 106)
UART13_TXD = GPIO_106
SPI13_CLK = GPIO_106
GPIO_144 = Pin(GPIO_BASE + 144)
PRI_MI2S_MCLK = GPIO_144
GPIO_145 = Pin(GPIO_BASE + 145)
MI2S0_WS = GPIO_145
MISO1 = GPIO_145
GPIO_146 = Pin(GPIO_BASE + 146)
MI2S0_DATA0 = GPIO_146
GPIO_147 = Pin(GPIO_BASE + 147)
MI2S0_DATA1 = GPIO_147
GPIO_158 = Pin(GPIO_BASE + 158)
GPIO_165 = Pin(GPIO_BASE + 165)
GPIO_166 = Pin(GPIO_BASE + 166)

# ordered as i2cId, i2cSclId, i2cSdaId
i2cPorts = ((1, I2C02_SCL, I2C02_SDA),)

# ordered as spiId, sckId, mosiId, misoId
spiPorts = ((16, SPI16_CLK, SPI16_MOSI, SPI16_MISO),)

# ordered as uartId, txId, rxId
uartPorts = ((14, UART14_TXD, UART14_RXD),)

# ordered as pwmChipId, pwmChannelId, pwmId
pwmOuts = (((0, 0), PWM1),)