from flask_wtf import FlaskForm
from wtforms import (
    StringField,
    PasswordField,
    FieldList,
    FloatField,
    BooleanField,
    SelectField,
    SubmitField,
    validators,
    Field,
)
from wtforms.widgets.html5 import NumberInput
from wtforms.widgets import TextInput
from wtforms.validators import ValidationError

class StringListField(Field):
    widget = TextInput()

    def _value(self):
        if self.data:
            return u",".join(self.data)
        else:
            return u""

    def process_formdata(self, valuelist):
        if valuelist:
            self.data = [x.strip() for x in valuelist[0].split(",")]
        else:
            self.data = []


class RouteForm(FlaskForm):
    systems = StringListField("Systems", [validators.DataRequired()])
    jump_range = FloatField(
        "Jump Range (Ly)",
        [validators.DataRequired(), validators.NumberRange(0, None)],
        widget=NumberInput(min=0, step=0.1),
    )
    mode = SelectField(
        "Routing Mode",
        choices=[
            ("bfs", "Breadth-First Search"),
            ("greedy", "Greedy Search"),
            ("a-star", "A*-Search"),
        ],
    )
    permute = SelectField(
        "Permutation Mode",
        choices=[
            ("off", "Off"),
            ("keep_first", "Keep starting system"),
            ("keep_last", "Keep destination system"),
            ("keep_both", "Keep both endpoints"),
        ],
    )
    primary = BooleanField("Only route through primary stars")
    factor = FloatField(
        "Greedyness for A*-Search (%)",
        [validators.NumberRange(0, 100)],
        default=50,
        widget=NumberInput(min=0, max=100, step=1),
    )
    
    priority = FloatField(
        "Priority (0=max, 100=min)",
        [validators.NumberRange(0, 100)],
        default=0,
        widget=NumberInput(min=0, max=100, step=1),
    )
    submit = SubmitField("GO!")


class LoginForm(FlaskForm):
    username = StringField("Username", [validators.Required()])
    password = PasswordField("Password", [validators.Required()])
    remember = BooleanField("Remember me")
    submit = SubmitField("Login")


class RegisterForm(FlaskForm):
    username = StringField("Username", [validators.Required()])
    password = PasswordField(
        "Password",
        [
            validators.Required(),
            validators.EqualTo("confirm", message="Passwords must match"),
        ],
    )
    confirm = PasswordField("Verify password", [validators.Required()])
    submit = SubmitField("Login")


class ChangePasswordForm(FlaskForm):
    old_password = PasswordField("Current Password", [validators.Required()])
    password = PasswordField(
        "Password",
        [
            validators.Required(),
            validators.EqualTo("confirm", message="Passwords must match"),
        ],
    )
    confirm = PasswordField("Verify password", [validators.Required()])
    submit = SubmitField("Change")