from unittest.mock import patch

from django.contrib.auth import get_user_model
from django.test import Client, TestCase
from django.urls import reverse

from social.models import (
    Platform,
    SocialAccount,
    SocialPost,
    is_generic_account_label,
)


class AccountLabelTests(TestCase):
    def test_generic_placeholders(self):
        self.assertTrue(is_generic_account_label(""))
        self.assertTrue(is_generic_account_label("LinkedIn member"))
        self.assertTrue(is_generic_account_label("Instagram account"))
        self.assertTrue(is_generic_account_label("Page 123456"))
        self.assertTrue(is_generic_account_label("urn:li:person:abc"))
        self.assertFalse(is_generic_account_label("Monica Dhillon"))
        self.assertFalse(is_generic_account_label("@mkdrealtor"))

    def test_resolve_keeps_custom_name(self):
        existing = SocialAccount(
            platform=Platform.LINKEDIN,
            label="Monica (personal)",
            external_id="urn:li:person:abc",
        )
        self.assertEqual(
            SocialAccount.resolve_label(existing, "LinkedIn member"),
            "Monica (personal)",
        )

    def test_resolve_replaces_generic(self):
        existing = SocialAccount(
            platform=Platform.LINKEDIN,
            label="LinkedIn member",
            external_id="urn:li:person:abc",
        )
        self.assertEqual(
            SocialAccount.resolve_label(existing, "Monica Dhillon"),
            "Monica Dhillon",
        )


class SocialComposerTests(TestCase):
    def setUp(self):
        User = get_user_model()
        self.user = User.objects.create_user(
            username="composer", password="test-pass-123"
        )
        self.client = Client()
        self.client.login(username="composer", password="test-pass-123")
        self.account = SocialAccount.objects.create(
            platform=Platform.LINKEDIN,
            label="LinkedIn member",
            external_id="urn:li:person:abc123",
            is_active=True,
            owner=self.user,
        )

    def test_composer_shows_send_now_and_full_name(self):
        response = self.client.get(reverse("social:composer"))
        self.assertEqual(response.status_code, 200)
        self.assertContains(response, "Send now")
        self.assertContains(response, "Schedule")
        self.assertContains(response, "LinkedIn member")
        self.assertContains(response, "urn:li:person:abc123")
        self.assertNotContains(response, "Save / publish")

    def test_send_now_queues_without_schedule(self):
        mock_task = patch("social.views.publish_social_post").start()
        self.addCleanup(patch.stopall)
        response = self.client.post(
            reverse("social:composer"),
            {
                "body": "Open house Saturday",
                "account_ids": [str(self.account.pk)],
                "action": "send_now",
            },
        )
        post = SocialPost.objects.get()
        self.assertEqual(response.status_code, 302)
        self.assertEqual(
            response.url, reverse("social:post_detail", kwargs={"pk": post.pk})
        )
        self.assertEqual(post.status, SocialPost.Status.QUEUED)
        self.assertIsNotNone(post.scheduled_for)
        self.assertEqual(post.targets.count(), 1)
        mock_task.enqueue.assert_called_once_with(post_id=str(post.pk))

    def test_schedule_requires_datetime(self):
        response = self.client.post(
            reverse("social:composer"),
            {
                "body": "Open house Saturday",
                "account_ids": [str(self.account.pk)],
                "action": "schedule",
            },
        )
        self.assertEqual(response.status_code, 200)
        self.assertContains(response, "Pick a schedule date/time, or choose Send now.")
        self.assertFalse(SocialPost.objects.exists())

    def test_schedule_with_datetime(self):
        response = self.client.post(
            reverse("social:composer"),
            {
                "body": "Open house Saturday",
                "account_ids": [str(self.account.pk)],
                "action": "schedule",
                "scheduled_for": "2026-08-10T09:30",
            },
        )
        post = SocialPost.objects.get()
        self.assertEqual(response.status_code, 302)
        self.assertEqual(post.status, SocialPost.Status.SCHEDULED)
        self.assertIsNotNone(post.scheduled_for)

    def test_save_draft(self):
        response = self.client.post(
            reverse("social:composer"),
            {
                "body": "Draft caption",
                "action": "save",
            },
        )
        post = SocialPost.objects.get()
        self.assertEqual(response.status_code, 302)
        self.assertEqual(post.status, SocialPost.Status.DRAFT)


class SocialAccountRenameTests(TestCase):
    def setUp(self):
        User = get_user_model()
        self.user = User.objects.create_user(
            username="renamer", password="test-pass-123"
        )
        self.client = Client()
        self.client.login(username="renamer", password="test-pass-123")
        self.account = SocialAccount.objects.create(
            platform=Platform.FACEBOOK,
            label="Page 999",
            external_id="999",
            is_active=True,
            owner=self.user,
        )

    def test_accounts_page_shows_rename_field(self):
        response = self.client.get(reverse("social:account_list"))
        self.assertEqual(response.status_code, 200)
        self.assertContains(response, 'name="label"')
        self.assertContains(response, "Page 999")
        self.assertContains(response, "Rename")

    def test_rename_updates_label(self):
        response = self.client.post(
            reverse("social:account_list"),
            {
                "action": "rename",
                "account_id": str(self.account.pk),
                "label": "Monica Dhillon Realty",
            },
        )
        self.assertEqual(response.status_code, 302)
        self.account.refresh_from_db()
        self.assertEqual(self.account.label, "Monica Dhillon Realty")

    def test_rename_rejects_blank(self):
        response = self.client.post(
            reverse("social:account_list"),
            {
                "action": "rename",
                "account_id": str(self.account.pk),
                "label": "   ",
            },
        )
        self.assertEqual(response.status_code, 302)
        self.account.refresh_from_db()
        self.assertEqual(self.account.label, "Page 999")


from datetime import timedelta
from io import StringIO
from unittest.mock import patch as _patch

from django.core.management import call_command
from django.utils import timezone


class DispatchDueSocialTests(TestCase):
    def test_enqueues_past_scheduled_social_post(self):
        post = SocialPost.objects.create(
            body="Open house",
            status=SocialPost.Status.SCHEDULED,
            scheduled_for=timezone.now() - timedelta(minutes=5),
        )
        mock_task = _patch("social.tasks.publish_social_post").start()
        self.addCleanup(_patch.stopall)
        out = StringIO()
        call_command("dispatch_due", stdout=out)
        post.refresh_from_db()
        self.assertEqual(post.status, SocialPost.Status.QUEUED)
        mock_task.enqueue.assert_called_once_with(post_id=str(post.pk))
        self.assertIn("Enqueued 1 due item(s).", out.getvalue())