from django.db import models

from symposion.proposals.models import ProposalBase


class Proposal(ProposalBase):

    TARGET_USER = 1
    TARGET_BUSINESS = 2
    TARGET_COMMUNITY = 3
    TARGET_DEVELOPER = 4

    TARGET_AUDIENCES = [
        (TARGET_USER, "User"),
        (TARGET_BUSINESS, "Business"),
        (TARGET_COMMUNITY, "Community"),
        (TARGET_DEVELOPER, "Developer"),
    ]

    target_audience = models.IntegerField(choices=TARGET_AUDIENCES)

    recording_release = models.BooleanField(
        default=True,
        help_text="I allow Linux Australia to release any recordings of "
        "presentations covered by this proposal, under the <a "
        "href='https://creativecommons.org/licenses/by-sa/3.0/au/deed.en'> "
        "Creative Commons Attribution-Share Alike Australia 3.0 Licence</a>"
    )

    materials_release = models.BooleanField(
        default=True,
        help_text="I allow Linux Australia to release any other material "
        "(such as slides) from presentations covered by this proposal, under "
        "the <a "
        "href='https://creativecommons.org/licenses/by-sa/3.0/au/deed.en'> "
        "Creative Commons Attribution-Share Alike Australia 3.0 Licence</a>"
    )

    class Meta:
        abstract = True


class TalkProposal(Proposal):

    class Meta:
        verbose_name = "talk proposal"


class TutorialProposal(Proposal):

    class Meta:
        verbose_name = "tutorial proposal"


class MiniconfProposal(Proposal):

    target_audience = models.IntegerField(choices=Proposal.TARGET_AUDIENCES,
                                          default=Proposal.TARGET_DEVELOPER)

    class Meta:
        verbose_name = "miniconf proposal"


class MiniconfSessionProposal(Proposal):

    FORMAT_SHORT_PRESENTATION = 1
    FORMAT_LONG_PRESENTATION = 2

    TALK_FORMATS = [
        (FORMAT_SHORT_PRESENTATION, "Short Presentation (15 or 20 min)"),
        (FORMAT_LONG_PRESENTATION, "Long Presentation (45 min)"),
    ]

    talk_format = models.IntegerField(
        choices=TALK_FORMATS,
        default=FORMAT_LONG_PRESENTATION,
        help_text="Please indicate your preferred talk length in the private abstract field below."
    )

    ticket_acknowledgement = models.BooleanField(
        default=False,
        help_text="I understand that I may be required to purchase a conference ticket "
        "as linux.conf.au miniconfs are unfunded community run events."
    )

    class Meta:
        abstract = True