from ricky.params import Params
from ricky.param.username import Username
from ricky.param.imageurl import PbageUrl
from ricky.param.enum import Enum
from ricky.param.constrainednumber import ConstrainedNumber
from ricky.param.color import Color
from ricky.param.bool import Bool
from ricky.config import PBGRID_URL

_TRANSITION_OPTIONS = [
    "background",
    "dither",
    "random",
    "tile",
    "edge"
]

_FILETYPE_OPTIONS = [
    "png",
    "jpg",
    "gif",
]


class PbGrid(Params):
    def __init__(self):
        super(Params, self).__init__(
           Username(name="username", required=False),
           PbageUrl(name="bgimage", required=False),
           PbageUrl(name="imageinstead", required=False),
           PbageUrl(name="planebgimage", required=False),
           Enum(
               name="format",
               required=False,
               options=_FILETYPE_OPTIONS
           ),
           Enum(
               name="transition",
               required=True,
               options=_TRANSITION_OPTIONS
           ),
           Color(name="skycolor", required=False),
           Color(name="planebgcolor", required=False),
           Color(name="bgcolor", required=False),
           Color(name="linecolor", required=False),
           ConstrainedNumber(
               name="swing",
               required=False,
               enforce_int=True,
               min=-170,
               max=170),
           ConstrainedNumber(
               name="tilt",
               required=False,
               enforce_int=True,
               min=-170,
               max=170),
           ConstrainedNumber(
               name="roll",
               required=False,
               enforce_int=True,
               min=-170,
               max=170),
           ConstrainedNumber(
               name="width",
               required=False,
               enforce_int=True,
               min=100,
               max=800),
           ConstrainedNumber(
               name="height",
               required=False,
               enforce_int=True,
               min=100,
               max=800),
           ConstrainedNumber(
               name="linethickness",
               required=False,
               enforce_int=True,
               min=1,
               max=30
           ),
           ConstrainedNumber(
               name="opacity", required=False, min=0, max=1, prec=2),
           ConstrainedNumber(
               name="spacing",
               enforce_int=True,
               required=False,
               min=2,
               max=100),
           Bool(name="vlines", required=False),
           Bool(name="hlines", required=False),
           Bool(name="trim", required=False),
           Bool(name="shadow", required=False),
           ConstrainedNumber(
               name="zoom",
               required=False,
               min=-12,
               max=12,
               forbidden_range_min=-1.1,
               forbidden_range_max=1.1,
               prec=1
           )
        )
        self._url = PBGRID_URL

    def _test_values(self):
        return not any([
          (self.__getitem__('spacing').value >
              self.__getitem__('width').value),
          (self.__getitem__('spacing').value >
              self.__getitem__('height').value),
          (self.__getitem__('linethickness').value >
              self.__getitem__('width').value),
          (self.__getitem__('linethickness').value >
              self.__getitem__('height').value),
        ])

    def randomize(self):
        p = self._params
        for el in p:
            if el in ['spacing', 'linethickness']:
                continue
            el.randomize()
        for name in ['spacing', 'linethickness']:
            max_tries = 10000
            while(max_tries):
                self.__getitem__(name).randomize()
                if self._test_values():
                    return
                max_tries -= 1
            raise ValueError