from owrx.controllers.settings import Section, SettingsFormController
from owrx.config.core import CoreConfig
from owrx.form import (
    TextInput,
    NumberInput,
    FloatInput,
    LocationInput,
    TextAreaInput,
    DropdownInput,
    Option,
)
from owrx.form.converter import WaterfallColorsConverter
from owrx.form.receiverid import ReceiverKeysConverter
from owrx.form.gfx import AvatarInput, TopPhotoInput
from owrx.waterfall import WaterfallOptions
import shutil
import os
from glob import glob

import logging

logger = logging.getLogger(__name__)


class GeneralSettingsController(SettingsFormController):
    def getTitle(self):
        return "General Settings"

    def getSections(self):
        return [
            Section(
                "Receiver information",
                TextInput("receiver_name", "Receiver name"),
                TextInput("receiver_location", "Receiver location"),
                NumberInput(
                    "receiver_asl",
                    "Receiver elevation",
                    append="meters above mean sea level",
                ),
                TextInput("receiver_admin", "Receiver admin"),
                LocationInput("receiver_gps", "Receiver coordinates"),
                TextInput("photo_title", "Photo title"),
                TextAreaInput("photo_desc", "Photo description"),
            ),
            Section(
                "Receiver images",
                AvatarInput(
                    "receiver_avatar",
                    "Receiver Avatar",
                    infotext="For performance reasons, images are cached. "
                    + "It can take a few hours until they appear on the site.",
                ),
                TopPhotoInput(
                    "receiver_top_photo",
                    "Receiver Panorama",
                    infotext="For performance reasons, images are cached. "
                    + "It can take a few hours until they appear on the site.",
                ),
            ),
            Section(
                "Receiver limits",
                NumberInput(
                    "max_clients",
                    "Maximum number of clients",
                ),
            ),
            Section(
                "Receiver listings",
                TextAreaInput(
                    "receiver_keys",
                    "Receiver keys",
                    converter=ReceiverKeysConverter(),
                    infotext="Put the keys you receive on listing sites (e.g. "
                    + '<a href="https://www.receiverbook.de" target="_blank">Receiverbook</a>) here, one per line',
                ),
            ),
            Section(
                "Waterfall settings",
                DropdownInput(
                    "waterfall_scheme",
                    "Waterfall color scheme",
                    options=WaterfallOptions,
                ),
                TextAreaInput(
                    "waterfall_colors",
                    "Custom waterfall colors",
                    infotext="Please provide 6-digit hexadecimal RGB colors in HTML notation (#RRGGBB)"
                    + " or HEX notation (0xRRGGBB), one per line",
                    converter=WaterfallColorsConverter(),
                ),
                NumberInput(
                    "fft_fps",
                    "FFT speed",
                    infotext="This setting specifies how many lines are being added to the waterfall per second. "
                    + "Higher values will give you a faster waterfall, but will also use more CPU.",
                    append="frames per second",
                ),
                NumberInput("fft_size", "FFT size", append="bins"),
                FloatInput(
                    "fft_voverlap_factor",
                    "FFT vertical overlap factor",
                    infotext="If fft_voverlap_factor is above 0, multiple FFTs will be used for creating a line on the "
                    + "diagram.",
                ),
                NumberInput("waterfall_min_level", "Lowest waterfall level", append="dBFS"),
                NumberInput("waterfall_max_level", "Highest waterfall level", append="dBFS"),
            ),
            Section(
                "Compression",
                DropdownInput(
                    "audio_compression",
                    "Audio compression",
                    options=[
                        Option("adpcm", "ADPCM"),
                        Option("none", "None"),
                    ],
                ),
                DropdownInput(
                    "fft_compression",
                    "Waterfall compression",
                    options=[
                        Option("adpcm", "ADPCM"),
                        Option("none", "None"),
                    ],
                ),
            ),
            Section(
                "Display settings",
                NumberInput(
                    "frequency_display_precision",
                    "Frequency display precision",
                    infotext="Number of decimal digits to show on the frequency display",
                ),
            ),
            Section(
                "Map settings",
                TextInput(
                    "google_maps_api_key",
                    "Google Maps API key",
                    infotext="Google Maps requires an API key, check out "
                    + '<a href="https://developers.google.com/maps/documentation/embed/get-api-key" target="_blank">'
                    + "their documentation</a> on how to obtain one.",
                ),
                NumberInput(
                    "map_position_retention_time",
                    "Map retention time",
                    infotext="Specifies how log markers / grids will remain visible on the map",
                    append="s",
                ),
            ),
        ]

    def handle_image(self, data, image_id):
        if image_id in data:
            config = CoreConfig()
            if data[image_id] == "restore":
                # remove all possible file extensions
                for ext in ["png", "jpg"]:
                    try:
                        os.unlink("{}/{}.{}".format(config.get_data_directory(), image_id, ext))
                    except FileNotFoundError:
                        pass
            elif data[image_id]:
                if not data[image_id].startswith(image_id):
                    logger.warning("invalid file name: %s", data[image_id])
                else:
                    # get file extension (luckily, all options are three characters long)
                    ext = data[image_id][-3:]
                    data_file = "{}/{}.{}".format(config.get_data_directory(), image_id, ext)
                    temporary_file = "{}/{}".format(config.get_temporary_directory(), data[image_id])
                    shutil.copy(temporary_file, data_file)
            del data[image_id]
            # remove any accumulated temporary files on save
            for file in glob("{}/{}*".format(config.get_temporary_directory(), image_id)):
                os.unlink(file)

    def processData(self, data):
        # Image handling
        for img in ["receiver_avatar", "receiver_top_photo"]:
            self.handle_image(data, img)
        # special handling for waterfall colors: custom colors only stay in config if custom color scheme is selected
        if "waterfall_scheme" in data:
            scheme = WaterfallOptions(data["waterfall_scheme"])
            if scheme is not WaterfallOptions.CUSTOM and "waterfall_colors" in data:
                data["waterfall_colors"] = None
        super().processData(data)