from copy import deepcopy

from unittest.mock import patch

from flask import url_for

from capsulflask.db import get_model
from capsulflask.tests_base import BaseTestCase
from capsulflask.hub_model import MockHub


class ConsoleTests(BaseTestCase):
    capsul_data = {
        "size": "f1-xs",
        "os": "debian10",
        "ssh_authorized_key_count": 1,
        "ssh_key_0": "key"
    }

    ssh_key_data = {
        "name": "key2",
        "method": "POST",
        "content": "ssh-rsa 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"
    }

    def test_index(self):
        self._login('test@example.com')
        with self.client as client:
            response = client.get(url_for("console.index"))
            self.assert_200(response)

    def test_create_loads(self):
        self._login('test@example.com')
        with self.client as client:
            response = client.get(url_for("console.create"))
            self.assert_200(response)

    def test_create_fails_credit(self):
        with self.client as client:
            client.get(url_for("console.create"))
            csrf_token = self.get_context_variable('csrf_token')

            data = self.capsul_data
            data['csrf-token'] = csrf_token
            client.post(url_for("console.create"), data=data)

            capacity_message = \
                'Your account must have enough credit to run an f1-xs for 1 month before you will be allowed to create it'
            self.assert_message_flashed(capacity_message, category='message')

            self.assertEqual(
                len(get_model().list_vms_for_account('test@example.com')),
                0
            )


    def test_create_fails_capacity(self):
        with self.client as client:
            client.get(url_for("console.create"))
            csrf_token = self.get_context_variable('csrf_token')

            data = self.capsul_data
            data['csrf-token'] = csrf_token
                
            get_model().create_payment_session('fake', 'test', 'test@example.com', 20)
            get_model().consume_payment_session('fake', 'test', 20)

            with patch.object(MockHub, 'capacity_avaliable', return_value=False) as mock_method:
                response = client.post(url_for("console.create"), data=data)

            mock_method.assert_called()

            capacity_message = \
                '\n        host(s) at capacity. no capsuls can be created at this time. sorry. \n      '
            self.assert_message_flashed(capacity_message, category='message')

            self.assertEqual(
                len(get_model().list_vms_for_account('test@example.com')),
                0
            )

    def test_create_fails_invalid(self):
        with self.client as client:
            client.get(url_for("console.create"))
            csrf_token = self.get_context_variable('csrf_token')

            data = deepcopy(self.capsul_data)
            data['csrf-token'] = csrf_token
            data['os'] = ''
            client.post(url_for("console.create"), data=data)

            self.assert_message_flashed(
                'OS is required', 
                category='message'
            )

            self.assertEqual(
                len(get_model().list_vms_for_account('test@example.com')),
                0
            )

    def test_create_succeeds(self):
        with self.client as client:
            client.get(url_for("console.create"))
            csrf_token = self.get_context_variable('csrf_token')

            data = deepcopy(self.capsul_data)
            data['csrf-token'] = csrf_token

            get_model().create_payment_session('fake', 'test', 'test@example.com', 20)
            get_model().consume_payment_session('fake', 'test', 20)

            response = client.post(url_for("console.create"), data=data)

            vms = get_model().list_vms_for_account('test@example.com')
            self.assertEqual(
                len(vms),
                1 
            )
            
            vm_id = vms[0]['id']
            
            self.assertRedirects(
                response, 
                url_for("console.index") + f'?created={vm_id}'
            )

    def test_keys_loads(self):
        self._login('test@example.com')
        with self.client as client:
            response = client.get(url_for("console.ssh_public_keys"))
            self.assert_200(response)
            keys = self.get_context_variable('ssh_public_keys')
            self.assertEqual(keys[0]['name'], 'key')

    def test_keys_add_fails_invalid(self):
        self._login('test@example.com')
        with self.client as client:
            client.get(url_for("console.ssh_public_keys"))
            csrf_token = self.get_context_variable('csrf_token')

            data = self.ssh_key_data
            data['csrf-token'] = csrf_token

            data_invalid_content = data
            data_invalid_content['content'] = 'foo'
            client.post(
                url_for("console.ssh_public_keys"),
                data=data_invalid_content
            )

            self.assert_message_flashed(
                'Content must match "^(ssh|ecdsa)-[0-9A-Za-z+/_=@:. -]+$"',
                category='message'
            )

            data_missing_content = data
            data_missing_content['content'] = ''
            client.post(url_for("console.ssh_public_keys"), data=data_missing_content)

            self.assert_message_flashed(
                'Content is required', category='message'
            )

    def test_keys_add_fails_duplicate(self):
        self._login('test@example.com')
        with self.client as client:
            client.get(url_for("console.ssh_public_keys"))
            csrf_token = self.get_context_variable('csrf_token')

            data = self.ssh_key_data
            data['csrf-token'] = csrf_token
            data['name'] = 'key'
            client.post(url_for("console.ssh_public_keys"), data=data)

            self.assert_message_flashed(
                'A key with that name already exists',
                category='message'
            )

    def setUp(self):
        self._login('test@example.com')
        get_model().create_ssh_public_key('test@example.com', 'key', 'foo') 

    def tearDown(self):
        get_model().cursor.execute("DELETE FROM ssh_public_keys")
        get_model().cursor.execute("DELETE FROM login_tokens")
        get_model().cursor.execute("DELETE FROM vms")
        get_model().cursor.execute("DELETE FROM payments")
        get_model().cursor.connection.commit()