from django.db import models
from django.db.models import SET_NULL
from modelcluster.fields import ParentalKey
from modelcluster.models import ClusterableModel
from wagtail.admin.panels import FieldPanel, InlinePanel, MultiFieldPanel
from wagtail.contrib.settings.models import BaseSiteSetting, register_setting
from wagtail.models import Orderable

SOCIAL_ICON_CHOICES = [
    ("twitter", "Twitter / X"),
    ("github", "GitHub"),
    ("rss", "RSS Feed"),
    ("linkedin", "LinkedIn"),
    ("youtube", "YouTube"),
    ("mastodon", "Mastodon"),
    ("bluesky", "Bluesky"),
]


@register_setting
class SiteSettings(ClusterableModel, BaseSiteSetting):
    default_og_image = models.ForeignKey(
        "wagtailimages.Image",
        null=True,
        blank=True,
        on_delete=SET_NULL,
        related_name="+",
    )
    privacy_policy_page = models.ForeignKey(
        "wagtailcore.Page",
        null=True,
        blank=True,
        on_delete=SET_NULL,
        related_name="+",
    )

    # Branding
    site_name = models.CharField(max_length=100, default="NO HYPE AI")
    tagline = models.CharField(
        max_length=200,
        default="Honest AI tool reviews for developers.",
    )
    footer_description = models.TextField(
        default="In-depth reviews and benchmarks of the latest AI coding tools.\nHonest analysis for developers.",
        blank=True,
    )
    copyright_text = models.CharField(
        max_length=200,
        default="No Hype AI. All rights reserved.",
    )

    panels = [
        MultiFieldPanel(
            [
                FieldPanel("site_name"),
                FieldPanel("tagline"),
                FieldPanel("footer_description"),
                FieldPanel("copyright_text"),
            ],
            heading="Branding",
        ),
        MultiFieldPanel(
            [
                FieldPanel("default_og_image"),
                FieldPanel("privacy_policy_page"),
            ],
            heading="SEO & Legal",
        ),
        InlinePanel("navigation_items", label="Navigation Menu Items"),
        InlinePanel("social_links", label="Social Media Links"),
    ]


class NavigationMenuItem(Orderable):
    settings = ParentalKey(
        SiteSettings,
        on_delete=models.CASCADE,
        related_name="navigation_items",
    )
    link_page = models.ForeignKey(
        "wagtailcore.Page",
        null=True,
        blank=True,
        on_delete=SET_NULL,
        related_name="+",
        help_text="Link to an internal page. If unpublished, the link is hidden automatically.",
    )
    link_url = models.CharField(
        max_length=500,
        blank=True,
        default="",
        help_text="URL or path (used only when no page is selected).",
    )
    link_title = models.CharField(
        max_length=100,
        blank=True,
        default="",
        help_text="Override the display text. If blank, the page title is used.",
    )
    open_in_new_tab = models.BooleanField(default=False)
    show_in_header = models.BooleanField(default=True)
    show_in_footer = models.BooleanField(default=True)

    panels = [
        FieldPanel("link_page"),
        FieldPanel("link_url"),
        FieldPanel("link_title"),
        FieldPanel("open_in_new_tab"),
        FieldPanel("show_in_header"),
        FieldPanel("show_in_footer"),
    ]

    @property
    def title(self):
        if self.link_title:
            return self.link_title
        if self.link_page:
            return self.link_page.title
        return ""

    @property
    def url(self):
        if self.link_page:
            return self.link_page.url
        return self.link_url

    @property
    def is_live(self):
        """Return False if linked to an unpublished/non-live page."""
        if self.link_page_id:
            return self.link_page.live
        return bool(self.link_url)

    class Meta(Orderable.Meta):
        pass


class SocialMediaLink(Orderable):
    settings = ParentalKey(
        SiteSettings,
        on_delete=models.CASCADE,
        related_name="social_links",
    )
    platform = models.CharField(
        max_length=30,
        choices=SOCIAL_ICON_CHOICES,
    )
    url = models.CharField(max_length=500, help_text="URL or path (e.g. https://twitter.com/… or /feed/).")
    label = models.CharField(
        max_length=100,
        blank=True,
        default="",
        help_text="Display label. If blank, the platform name is used.",
    )

    panels = [
        FieldPanel("platform"),
        FieldPanel("url"),
        FieldPanel("label"),
    ]

    @property
    def display_label(self):
        if self.label:
            return self.label
        return dict(SOCIAL_ICON_CHOICES).get(self.platform, self.platform)

    @property
    def icon_template(self):
        return f"components/icons/{self.platform}.html"

    class Meta(Orderable.Meta):
        pass