"""
Classes for generating HTML forms
"""
from __future__ import absolute_import
from __future__ import print_function

import logging

from galaxy.util import (
    asbool
)

log = logging.getLogger(__name__)


class BaseField(object):
    def __init__(self, name, value=None, label=None, **kwds):
        self.name = name
        self.label = label
        self.value = value
        self.disabled = kwds.get('disabled', False)
        if 'optional' in kwds:
            self.optional = asbool(kwds.get('optional'))
        else:
            self.optional = kwds.get('required', 'optional') == 'optional'
        self.help = kwds.get('helptext')

    def to_dict(self):
        return {
            'name'      : self.name,
            'label'     : self.label,
            'disabled'  : self.disabled,
            'optional'  : self.optional,
            'value'     : self.value,
            'help'      : self.help
        }


class TextField(BaseField):
    """
    A standard text input box.
    """
    def to_dict(self):
        d = super(TextField, self).to_dict()
        d['type'] = 'text'
        return d


class PasswordField(BaseField):
    """
    A password input box. text appears as "******"
    """
    def to_dict(self):
        d = super(PasswordField, self).to_dict()
        d['type'] = 'password'
        return d


class TextArea(BaseField):
    """
    A standard text area box.
    """
    def to_dict(self):
        d = super(TextArea, self).to_dict()
        d['type'] = 'text'
        d['area'] = True
        return d


class CheckboxField(BaseField):
    """
    A checkbox (boolean input)
    """
    @staticmethod
    def is_checked(value):
        if value in [True, "True", "true"]:
            return True
        return False

    def to_dict(self):
        d = super(CheckboxField, self).to_dict()
        d['type'] = 'boolean'
        return d


class SelectField(BaseField):
    """
    A select field.
    """

    def __init__(self, name, multiple=None, display=None, field_id=None, value=None, selectlist=None, refresh_on_change=False, **kwds):
        super(SelectField, self).__init__(name, value, **kwds)
        self.field_id = field_id
        self.multiple = multiple or False
        self.refresh_on_change = refresh_on_change
        self.selectlist = selectlist or []
        self.options = list()
        if display == "checkboxes":
            assert multiple, "Checkbox display only supported for multiple select"
        elif display == "radio":
            assert not(multiple), "Radio display only supported for single select"
        elif display is not None:
            raise Exception("Unknown display type: %s" % display)
        self.display = display

    def add_option(self, text, value, selected=False):
        self.options.append((text, value, selected))

    def to_dict(self):
        d = super(SelectField, self).to_dict()
        d['type'] = 'select'
        d['display'] = self.display
        d['multiple'] = self.multiple
        d['data'] = []
        for value in self.selectlist:
            d['data'].append({'label': value, 'value': value})
        d['options'] = [{'label': t[0], 'value': t[1]} for t in self.options]
        return d


class AddressField(BaseField):
    @staticmethod
    def fields():
        return [("desc", "Short address description", "Required"),
                ("name", "Name", ""),
                ("institution", "Institution", ""),
                ("address", "Address", ""),
                ("city", "City", ""),
                ("state", "State/Province/Region", ""),
                ("postal_code", "Postal Code", ""),
                ("country", "Country", ""),
                ("phone", "Phone", "")]

    def __init__(self, name, user=None, value=None, security=None, **kwds):
        super(AddressField, self).__init__(name, value, **kwds)
        self.user = user
        self.security = security

    def to_dict(self):
        d = super(AddressField, self).to_dict()
        d['type'] = 'select'
        d['data'] = []
        if self.user and self.security:
            for a in self.user.addresses:
                if not a.deleted:
                    d['data'].append({'label': a.desc, 'value': self.security.encode_id(a.id)})
        return d


class WorkflowField(BaseField):
    def __init__(self, name, user=None, value=None, security=None, **kwds):
        super(WorkflowField, self).__init__(name, value, **kwds)
        self.user = user
        self.value = value
        self.security = security

    def to_dict(self):
        d = super(WorkflowField, self).to_dict()
        d['type'] = 'select'
        d['data'] = []
        if self.user and self.security:
            for a in self.user.stored_workflows:
                if not a.deleted:
                    d['data'].append({'label': a.name, 'value': self.security.encode_id(a.id)})
        return d


class WorkflowMappingField(BaseField):
    def __init__(self, name, user=None, value=None, **kwds):
        super(WorkflowMappingField, self).__init__(name, value, **kwds)
        self.user = user


class HistoryField(BaseField):
    def __init__(self, name, user=None, value=None, security=None, **kwds):
        super(HistoryField, self).__init__(name, value, **kwds)
        self.user = user
        self.value = value
        self.security = security

    def to_dict(self):
        d = super(HistoryField, self).to_dict()
        d['type'] = 'select'
        d['data'] = [{'label': 'New History', 'value': 'new'}]
        if self.user and self.security:
            for a in self.user.histories:
                if not a.deleted:
                    d['data'].append({'label': a.name, 'value': self.security.encode_id(a.id)})
        return d


def get_suite():
    """Get unittest suite for this module"""
    import doctest
    import sys
    return doctest.DocTestSuite(sys.modules[__name__])
