python-tdd/src/apps/dashboard/views.py

import json
import stripe
import zoneinfo
from datetime import datetime

import requests as http_requests

from django.conf import settings
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.db.models import Max, Q
from django.http import HttpResponse, HttpResponseForbidden, JsonResponse
from django.shortcuts import redirect, render
from django.utils import timezone
from django.views.decorators.csrf import ensure_csrf_cookie

from apps.applets.utils import applet_context, apply_applet_toggle
from apps.dashboard.forms import ExistingPostLineForm, LineForm
from apps.dashboard.models import Line, Post
from apps.drama.models import Note
from apps.epic.utils import _compute_distinctions
from apps.lyric.models import PaymentMethod, Token, User, Wallet


APPLET_ORDER = ["wallet", "username", "palette"]
_BASE_UNLOCKED = frozenset([
    "palette-default",
    "palette-cedar",
    "palette-oblivion-light",
    "palette-monochrome-dark",
])
_PALETTE_DEFS = [
    {"name": "palette-default",        "label": "Earthman",        "locked": False},
    {"name": "palette-cedar",          "label": "Cedar",           "locked": False},
    {"name": "palette-oblivion-light", "label": "Oblivion (Light)","locked": False},
    {"name": "palette-monochrome-dark","label": "Monochrome (Dark)","locked": False},
    {"name": "palette-bardo",          "label": "Bardo",           "locked": True},
    {"name": "palette-sheol",          "label": "Sheol",           "locked": True},
    {"name": "palette-inferno",        "label": "Inferno",         "locked": True},
    {"name": "palette-terrestre",      "label": "Terrestre",       "locked": True},
    {"name": "palette-celestia",       "label": "Celestia",        "locked": True},
]
_NOTE_TITLES = {
    "stargazer": "Stargazer",
    "schizo":    "Schizo",
    "nomad":     "Nomad",
}
# Keep PALETTES as an alias used by views that don't have a request user.
PALETTES = _PALETTE_DEFS


def _palettes_for_user(user):
    if not (user and user.is_authenticated):
        return [dict(p, shoptalk="Placeholder") for p in _PALETTE_DEFS]
    granted = {
        r.palette: r
        for r in Note.objects.filter(user=user, palette__isnull=False).exclude(palette="")
    }
    result = []
    for p in _PALETTE_DEFS:
        entry = dict(p)
        r = granted.get(p["name"])
        if r and p["locked"]:
            entry["locked"] = False
            title = _NOTE_TITLES.get(r.slug, r.slug.capitalize())
            entry["shoptalk"] = f"{title} · {r.earned_at.strftime('%b %d, %Y').replace(' 0', ' ')}"
        else:
            entry["shoptalk"] = "Placeholder"
        result.append(entry)
    return result


def _unlocked_palettes_for_user(user):
    base = set(_BASE_UNLOCKED)
    if user and user.is_authenticated:
        for r in Note.objects.filter(user=user, palette__isnull=False).exclude(palette=""):
            base.add(r.palette)
    return base


def _recent_posts(user, limit=3):
    return (
        Post
            .objects
            .filter(Q(owner=user) | Q(shared_with=user))
            .annotate(last_line=Max('lines__id'))
            .order_by('-last_line')
            .distinct()[:limit]
    )

def home_page(request):
    context = {
        "palettes": _palettes_for_user(request.user),
        "page_class": "page-dashboard",
    }
    if request.user.is_authenticated:
        context["applets"] = applet_context(request.user, "dashboard")
    return render(request, "apps/dashboard/home.html", context)

def new_post(request):
    form = LineForm(data=request.POST)
    if form.is_valid():
        nupost = Post.objects.create()
        if request.user.is_authenticated:
            nupost.owner = request.user
            nupost.save()
        form.save(for_post=nupost)
        return redirect(nupost)
    else:
        context = {
            "form": form,
            "page_class": "page-billboard",
        }
        if request.user.is_authenticated:
            context["applets"] = applet_context(request.user, "billboard")
            context["recent_posts"] = _recent_posts(request.user)
        return render(request, "apps/billboard/billboard.html", context)

def view_post(request, post_id):
    our_post = Post.objects.get(id=post_id)

    if our_post.owner:
        if not request.user.is_authenticated:
            return redirect("/")
        if request.user != our_post.owner and request.user not in our_post.shared_with.all():
            return HttpResponseForbidden()

    form = ExistingPostLineForm(for_post=our_post)

    if request.method == "POST":
        form = ExistingPostLineForm(for_post=our_post, data=request.POST)
        if form.is_valid():
            form.save()
            return redirect(our_post)
    return render(request, "apps/dashboard/post.html", {"post": our_post, "form": form})

def my_posts(request, user_id):
    owner = User.objects.get(id=user_id)
    if not request.user.is_authenticated:
        return redirect("/")
    if request.user.id != owner.id:
        return HttpResponseForbidden()
    return render(request, "apps/dashboard/my_posts.html", {"owner": owner})

def share_post(request, post_id):
    our_post = Post.objects.get(id=post_id)
    try:
        recipient = User.objects.get(email=request.POST["recipient"])
        if recipient == request.user:
            return redirect(our_post)
        our_post.shared_with.add(recipient)
    except User.DoesNotExist:
        pass
    messages.success(request, "An invite has been sent if that address is registered.")
    return redirect(our_post)

@login_required(login_url="/")
def set_palette(request):
    if request.method == "POST":
        palette = request.POST.get("palette", "")
        if palette in _unlocked_palettes_for_user(request.user):
            request.user.palette = palette
            request.user.save(update_fields=["palette"])
    if "application/json" in request.headers.get("Accept", ""):
        return JsonResponse({"palette": request.user.palette})
    return redirect("home")

@login_required(login_url="/")
def set_profile(request):
    if request.method == "POST":
        username = request.POST.get("username", "")
        request.user.username = username
        request.user.save(update_fields=["username"])
    return redirect("/")

@login_required(login_url="/")
def toggle_applets(request):
    checked = request.POST.getlist("applets")
    apply_applet_toggle(request.user, "dashboard", checked)
    if request.headers.get("HX-Request"):
        return render(request, "apps/dashboard/_partials/_applets.html", {
            "applets": applet_context(request.user, "dashboard"),
            "palettes": _palettes_for_user(request.user),
        })
    return redirect("home")

@login_required(login_url="/")
@ensure_csrf_cookie
def wallet(request):
    free_tokens = list(request.user.tokens.filter(
        token_type=Token.FREE, expires_at__gt=timezone.now()
    ).order_by("expires_at"))
    tithe_tokens = list(request.user.tokens.filter(token_type=Token.TITHE))
    return render(request, "apps/dashboard/wallet.html", {
        "wallet": request.user.wallet,
        "pass_token": request.user.tokens.filter(token_type=Token.PASS).first(),
        "coin": request.user.tokens.filter(token_type=Token.COIN).first(),
        "free_tokens": free_tokens,
        "tithe_tokens": tithe_tokens,
        "free_count": len(free_tokens),
        "tithe_count": len(tithe_tokens),
        "applets": applet_context(request.user, "wallet"),
        "page_class": "page-wallet",
    })


@login_required(login_url="/")
def kit_bag(request):
    tokens = list(request.user.tokens.all())
    free_tokens = sorted(
        [t for t in tokens if t.token_type == Token.FREE and t.expires_at and t.expires_at > timezone.now()],
        key=lambda t: t.expires_at,
    )
    tithe_tokens = [t for t in tokens if t.token_type == Token.TITHE]
    return render(request, "core/_partials/_kit_bag_panel.html", {
        "equipped_deck": request.user.equipped_deck,
        "equipped_trinket": request.user.equipped_trinket,
        "free_token": free_tokens[0] if free_tokens else None,
        "free_count": len(free_tokens),
        "tithe_token": tithe_tokens[0] if tithe_tokens else None,
        "tithe_count": len(tithe_tokens),
    })

@login_required(login_url="/")
def toggle_wallet_applets(request):
    checked = request.POST.getlist("applets")
    apply_applet_toggle(request.user, "wallet", checked)
    if request.headers.get("HX-Request"):
        return render(request, "apps/wallet/_partials/_applets.html", {
            "applets": applet_context(request.user, "wallet"),
            "wallet": request.user.wallet,
            "pass_token": request.user.tokens.filter(token_type=Token.PASS).first(),
            "coin": request.user.tokens.filter(token_type=Token.COIN).first(),
            "free_tokens": list(request.user.tokens.filter(token_type=Token.FREE)),
            "tithe_tokens": list(request.user.tokens.filter(token_type=Token.TITHE)),
        })
    return redirect("wallet")

@login_required(login_url="/")
def setup_intent(request):
    stripe.api_key = settings.STRIPE_SECRET_KEY
    user = request.user
    if not user.stripe_customer_id:
        customer = stripe.Customer.create(email=user.email)
        user.stripe_customer_id = customer.id
        user.save(update_fields=["stripe_customer_id"])
    intent = stripe.SetupIntent.create(customer=user.stripe_customer_id)
    return JsonResponse({
        "client_secret": intent.client_secret,
        "publishable_key": settings.STRIPE_PUBLISHABLE_KEY,
    })

@login_required(login_url="/")
def save_payment_method(request):
    stripe.api_key = settings.STRIPE_SECRET_KEY
    pm_id = request.POST.get("payment_method_id")
    pm = stripe.PaymentMethod.retrieve(pm_id)
    stripe.PaymentMethod.attach(pm_id, customer=request.user.stripe_customer_id)
    PaymentMethod.objects.create(
        user=request.user,
        stripe_pm_id=pm_id,
        last4=pm.card.last4,
        brand=pm.card.brand,
    )
    return JsonResponse({"last4": pm.card.last4, "brand": pm.card.brand})


# ── My Sky (personal natal chart) ────────────────────────────────────────────

def _sky_natus_preview(request):
    """Shared preview logic — proxies to PySwiss, no DB writes."""
    date_str = request.GET.get('date')
    time_str = request.GET.get('time', '12:00')
    tz_str   = request.GET.get('tz', '').strip()
    lat_str  = request.GET.get('lat')
    lon_str  = request.GET.get('lon')

    if not date_str or lat_str is None or lon_str is None:
        return HttpResponse(status=400)

    try:
        lat = float(lat_str)
        lon = float(lon_str)
    except ValueError:
        return HttpResponse(status=400)

    if not (-90 <= lat <= 90) or not (-180 <= lon <= 180):
        return HttpResponse(status=400)

    if not tz_str:
        try:
            tz_resp = http_requests.get(
                settings.PYSWISS_URL + '/api/tz/',
                params={'lat': lat_str, 'lon': lon_str},
                timeout=5,
            )
            tz_resp.raise_for_status()
            tz_str = tz_resp.json().get('timezone') or 'UTC'
        except Exception:
            tz_str = 'UTC'

    try:
        tz = zoneinfo.ZoneInfo(tz_str)
    except (zoneinfo.ZoneInfoNotFoundError, KeyError):
        return HttpResponse(status=400)

    try:
        local_dt = datetime.strptime(f'{date_str} {time_str}', '%Y-%m-%d %H:%M')
        local_dt = local_dt.replace(tzinfo=tz)
        utc_dt   = local_dt.astimezone(zoneinfo.ZoneInfo('UTC'))
        dt_iso   = utc_dt.strftime('%Y-%m-%dT%H:%M:%SZ')
    except ValueError:
        return HttpResponse(status=400)

    try:
        resp = http_requests.get(
            settings.PYSWISS_URL + '/api/chart/',
            params={'dt': dt_iso, 'lat': lat_str, 'lon': lon_str},
            timeout=5,
        )
        resp.raise_for_status()
    except Exception:
        return HttpResponse(status=502)

    data = resp.json()
    if 'elements' in data and 'Earth' in data['elements']:
        data['elements']['Stone'] = data['elements'].pop('Earth')
    data['distinctions'] = _compute_distinctions(data['planets'], data['houses'])
    data['timezone'] = tz_str
    return JsonResponse(data)


@login_required(login_url="/")
def sky_view(request):
    chart_data = request.user.sky_chart_data
    birth_dt = request.user.sky_birth_dt
    saved_birth_date = ''
    saved_birth_time = ''
    if birth_dt:
        if request.user.sky_birth_tz:
            try:
                birth_dt = birth_dt.astimezone(zoneinfo.ZoneInfo(request.user.sky_birth_tz))
            except (zoneinfo.ZoneInfoNotFoundError, KeyError):
                pass
        saved_birth_date = birth_dt.strftime('%Y-%m-%d')
        saved_birth_time = birth_dt.strftime('%H:%M')
    return render(request, "apps/dashboard/sky.html", {
        "preview_url": request.build_absolute_uri("/dashboard/sky/preview"),
        "save_url":    request.build_absolute_uri("/dashboard/sky/save"),
        "saved_sky_json":    json.dumps(chart_data) if chart_data else 'null',
        "saved_birth_date":  saved_birth_date,
        "saved_birth_time":  saved_birth_time,
        "saved_birth_place": request.user.sky_birth_place,
        "saved_birth_lat":   request.user.sky_birth_lat,
        "saved_birth_lon":   request.user.sky_birth_lon,
        "saved_birth_tz":    request.user.sky_birth_tz,
        "page_class":  "page-sky",
    })


@login_required(login_url="/")
def sky_preview(request):
    return _sky_natus_preview(request)


@login_required(login_url="/")
def sky_save(request):
    if request.method != 'POST':
        return HttpResponse(status=405)

    try:
        body = json.loads(request.body)
    except json.JSONDecodeError:
        return HttpResponse(status=400)

    user = request.user
    birth_tz_str = body.get('birth_tz', '').strip()
    birth_dt_str = body.get('birth_dt', '')
    if birth_dt_str:
        try:
            naive = datetime.fromisoformat(birth_dt_str.replace('Z', '').replace('+00:00', ''))
            if naive.tzinfo is None and birth_tz_str:
                try:
                    local_tz = zoneinfo.ZoneInfo(birth_tz_str)
                    user.sky_birth_dt = naive.replace(tzinfo=local_tz).astimezone(
                        zoneinfo.ZoneInfo('UTC')
                    )
                except (zoneinfo.ZoneInfoNotFoundError, KeyError):
                    user.sky_birth_dt = naive.replace(tzinfo=zoneinfo.ZoneInfo('UTC'))
            elif naive.tzinfo is None:
                user.sky_birth_dt = naive.replace(tzinfo=zoneinfo.ZoneInfo('UTC'))
            else:
                user.sky_birth_dt = naive.astimezone(zoneinfo.ZoneInfo('UTC'))
        except ValueError:
            user.sky_birth_dt = None
    user.sky_birth_lat    = body.get('birth_lat')
    user.sky_birth_lon    = body.get('birth_lon')
    user.sky_birth_place  = body.get('birth_place', '')
    user.sky_birth_tz     = body.get('birth_tz', '')
    user.sky_house_system = body.get('house_system', 'O')
    user.sky_chart_data   = body.get('chart_data')

    user.save(update_fields=[
        'sky_birth_dt', 'sky_birth_lat', 'sky_birth_lon',
        'sky_birth_place', 'sky_birth_tz', 'sky_house_system', 'sky_chart_data',
    ])

    note_payload = None
    if user.sky_chart_data:
        note, created = Note.grant_if_new(user, "stargazer")
        if created:
            note_payload = {
                "slug":        note.slug,
                "title":       "Stargazer",
                "description": "You saved your first personal sky chart.",
                "earned_at":   note.earned_at.isoformat(),
            }

    return JsonResponse({"saved": True, "note": note_payload})


@login_required(login_url="/")
def sky_natus_data(request):
    user = request.user
    if not user.sky_chart_data:
        return HttpResponse(status=404)

    data = dict(user.sky_chart_data)
    data['distinctions'] = _compute_distinctions(
        data.get('planets', {}), data.get('houses', {})
    )
    return JsonResponse(data)