# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import os

import adafruit_connection_manager
import board
import busio
from adafruit_esp32spi import adafruit_esp32spi
from digitalio import DigitalInOut

import adafruit_requests

# Get WiFi details, ensure these are setup in settings.toml
ssid = os.getenv("CIRCUITPY_WIFI_SSID")
password = os.getenv("CIRCUITPY_WIFI_PASSWORD")

# If you are using a board with pre-defined ESP32 Pins:
esp32_cs = DigitalInOut(board.ESP_CS)
esp32_ready = DigitalInOut(board.ESP_BUSY)
esp32_reset = DigitalInOut(board.ESP_RESET)

spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
radio = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)

print("Connecting to AP...")
while not radio.is_connected:
    try:
        radio.connect_AP(ssid, password)
    except RuntimeError as e:
        print("could not connect to AP, retrying: ", e)
        continue
print("Connected to", str(radio.ap_info.ssid, "utf-8"), "\tRSSI:", radio.ap_info.rssi)

# Initialize a requests session
pool = adafruit_connection_manager.get_radio_socketpool(radio)
ssl_context = adafruit_connection_manager.get_radio_ssl_context(radio)
requests = adafruit_requests.Session(pool, ssl_context)

# The POST URL uses httpbin's standard post interface, which normally returns a 200.
# The 204 URL will cause httpbin to always return a 204.
JSON_POST_URL = "https://httpbin.org/post"
JSON_204_URL = "https://httpbin.org/status/204"

data = "31F"

# This code will post data to httpbin, which will return a 200 and everything works fine.
print(f"POSTing data to {JSON_POST_URL}: {data}")
with requests.post(JSON_POST_URL, data=data) as response:
    print("-" * 40)
    json_resp = response.json()
    # Parse out the 'data' key from json_resp dict.
    print("Data received from server:", json_resp["data"])
    print("Response code " + str(response.status_code))
    print("-" * 40)

# This code will post data to httpbin, which will return a 204, causing requests to crash.
print(f"POSTing data to {JSON_204_URL}: {data}")
with requests.post(JSON_204_URL, data=data) as response:
    print("-" * 40)
    json_resp = response.json()
    # Parse out the 'data' key from json_resp dict.
    print("Data received from server:", json_resp["data"])
    print("Response code " + str(response.status_code))
    print("-" * 40)