"""Domain models for the RisingCompute marketing site."""
from __future__ import annotations

from django.db import models
from django.utils import timezone
from django.utils.text import slugify


# --------------------------------------------------------------------------- #
# Content (curated by the team in the admin)
# --------------------------------------------------------------------------- #
class Product(models.Model):
    """An IP core / product line shown on the marketing site."""

    CATEGORY_CHOICES = [
        ("ai", "AI Inference"),
        ("security", "Cybersecurity"),
        ("comms", "Communication Protocol"),
        ("asic", "Custom ASIC Services"),
        ("other", "Other"),
    ]

    slug = models.SlugField(unique=True, max_length=80)
    name = models.CharField(max_length=120)
    category = models.CharField(max_length=20, choices=CATEGORY_CHOICES)
    tagline = models.CharField(max_length=200)
    summary = models.TextField(
        help_text="2–3 sentence overview shown on the products grid."
    )
    description = models.TextField(
        help_text="Long-form description shown on the product detail page (markdown)."
    )
    benefits = models.JSONField(
        default=list,
        blank=True,
        help_text='List of benefit strings. Example: ["High throughput per watt", "INT8/INT4"].',
    )
    features = models.JSONField(default=list, blank=True)
    spec_table = models.JSONField(
        default=list,
        blank=True,
        help_text='List of {"label": "...", "value": "..."} pairs for the spec table.',
    )
    primary_cta_label = models.CharField(max_length=60, default="Request evaluation")
    is_published = models.BooleanField(default=True)
    sort_order = models.PositiveIntegerField(default=0)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        ordering = ["sort_order", "name"]

    def __str__(self) -> str:
        return self.name


class Founder(models.Model):
    """Founding-team profile shown on the About page."""

    name = models.CharField(max_length=120)
    role = models.CharField(max_length=160)
    domain = models.CharField(
        max_length=240,
        help_text="Short description of the technical domain they own.",
    )
    bio = models.TextField(help_text="~80-word bio. Markdown allowed.")
    photo_url = models.URLField(blank=True)
    linkedin_url = models.URLField(blank=True)
    sort_order = models.PositiveIntegerField(default=0)
    is_published = models.BooleanField(default=True)

    class Meta:
        ordering = ["sort_order", "name"]

    def __str__(self) -> str:
        return self.name


class BlogPost(models.Model):
    """Editorial / engineering blog post."""

    CATEGORY_CHOICES = [
        ("ai", "AI"),
        ("space", "Space"),
        ("robotics", "Robotics"),
        ("engineering", "Engineering"),
        ("company", "Company"),
    ]

    slug = models.SlugField(unique=True, max_length=200)
    title = models.CharField(max_length=200)
    excerpt = models.CharField(max_length=300)
    body = models.TextField(help_text="Markdown.")
    category = models.CharField(max_length=20, choices=CATEGORY_CHOICES, default="company")
    author_name = models.CharField(max_length=120)
    read_time_minutes = models.PositiveIntegerField(default=5)
    cover_image_url = models.URLField(blank=True)
    is_published = models.BooleanField(default=True)
    published_at = models.DateTimeField(default=timezone.now)
    created_at = models.DateTimeField(auto_now_add=True)
    updated_at = models.DateTimeField(auto_now=True)

    class Meta:
        ordering = ["-published_at"]

    def __str__(self) -> str:
        return self.title

    def save(self, *args, **kwargs):
        if not self.slug:
            self.slug = slugify(self.title)[:200]
        super().save(*args, **kwargs)


class JobOpening(models.Model):
    """An open role displayed on the Careers page."""

    LOCATION_CHOICES = [
        ("surat", "Surat, India"),
        ("iist", "STIIC / IIST, Thiruvananthapuram"),
        ("remote", "Remote (India)"),
        ("hybrid", "Hybrid"),
    ]

    slug = models.SlugField(unique=True, max_length=120)
    title = models.CharField(max_length=160)
    location = models.CharField(max_length=20, choices=LOCATION_CHOICES, default="surat")
    employment_type = models.CharField(max_length=40, default="Full-time")
    description = models.TextField(help_text="Markdown.")
    is_open = models.BooleanField(default=True)
    posted_at = models.DateField(default=timezone.now)

    class Meta:
        ordering = ["-posted_at"]

    def __str__(self) -> str:
        return self.title


# --------------------------------------------------------------------------- #
# Submissions (user input via forms — written by the frontend)
# --------------------------------------------------------------------------- #
class ContactSubmission(models.Model):
    INTEREST_CHOICES = [
        ("ai-ip", "AI Inference IP"),
        ("security-ip", "Cybersecurity IP"),
        ("comms-ip", "Communication IP"),
        ("custom-asic", "Custom ASIC"),
        ("careers", "Careers"),
        ("press", "Press"),
        ("other", "Other"),
    ]

    name = models.CharField(max_length=120)
    email = models.EmailField()
    company = models.CharField(max_length=160, blank=True)
    role = models.CharField(max_length=120, blank=True)
    country = models.CharField(max_length=80, blank=True)
    interest = models.CharField(max_length=20, choices=INTEREST_CHOICES, default="other")
    message = models.TextField()
    referrer = models.CharField(max_length=200, blank=True)
    user_agent = models.CharField(max_length=400, blank=True)
    ip_address = models.GenericIPAddressField(null=True, blank=True)
    created_at = models.DateTimeField(auto_now_add=True)

    class Meta:
        ordering = ["-created_at"]
        verbose_name = "Contact submission"

    def __str__(self) -> str:
        return f"{self.name} <{self.email}> · {self.get_interest_display()}"


class NewsletterSignup(models.Model):
    email = models.EmailField(unique=True)
    source = models.CharField(max_length=120, blank=True, help_text="e.g. footer, blog, contact")
    confirmed = models.BooleanField(default=False)
    created_at = models.DateTimeField(auto_now_add=True)

    class Meta:
        ordering = ["-created_at"]

    def __str__(self) -> str:
        return self.email


class JobApplication(models.Model):
    name = models.CharField(max_length=120)
    email = models.EmailField()
    role_applied_for = models.CharField(max_length=160)
    portfolio_url = models.URLField(blank=True)
    message = models.TextField(blank=True)
    cv = models.FileField(upload_to="applications/%Y/%m/", blank=True, null=True)
    created_at = models.DateTimeField(auto_now_add=True)

    class Meta:
        ordering = ["-created_at"]

    def __str__(self) -> str:
        return f"{self.name} → {self.role_applied_for}"