# Part of Odoo. See LICENSE file for full copyright and licensing details.
import html
from http import HTTPStatus
from base64 import b64encode
from urllib.parse import parse_qs, urlsplit

from datetime import date

from odoo.api import Environment
from odoo.fields import Command
from odoo.tests import tagged
from odoo.tools import file_open, mute_logger

from .test_common import TestHttpBase

CT_HTML = 'text/html; charset=utf-8'
CSRF_USER_HEADERS = {
    "Sec-Fetch-Dest": "document",
    "Sec-Fetch-Mode": "navigate",
    "Sec-Fetch-Site": 'none',
    "Sec-Fetch-User": "?1",
}


def read_group_list(model, domain=None, groupby=(), fields=('__count',)):
    result = model.web_read_group(domain or [], groupby=groupby, fields=fields, lazy=False)
    # transform result:
    # - tuple into list
    # - pop '__domain'
    for group in result['groups']:
        del group['__domain']
        for k, v in group.items():
            if isinstance(v, tuple):
                group[k] = list(v)
    return result


@tagged('-at_install', 'post_install')
class TestHttpWebJson_1(TestHttpBase):
    @classmethod
    def setUpClass(cls):
        super().setUpClass()

        # enable explicitely and make sure demo has permissions
        cls.env['ir.config_parameter'].set_param('web.json.enabled', True)
        cls.user_demo.write({
            'groups_id': [Command.link(cls.env.ref('base.group_allow_export').id)],
        })

        cls.milky_way = cls.env.ref('test_http.milky_way')
        cls.earth = cls.env.ref('test_http.earth')
        with file_open('test_http/static/src/img/gizeh.png', 'rb') as file:
            cls.gizeh_data = file.read()
            cls.gizeh_b64 = b64encode(cls.gizeh_data).decode()

    def url_open_json(self, url, *, expected_code=0):
        url = f"/json/1{url}"
        res = self.url_open(url, headers=CSRF_USER_HEADERS)
        if expected_code is None:
            pass
        elif expected_code:
            self.assertEqual(res.status_code, expected_code)
        else:
            # expected=0, raise for status
            res.raise_for_status()
        return res

    def authenticate_demo(self):
        self.authenticate('demo', 'demo')
        user = self.user_demo
        return Environment(self.env.cr, user.id, {'lang': user.lang, 'tz': user.tz})

    def test_webjson_access_error(self):
        self.authenticate_demo()
        with self.assertLogs('odoo.http', 'WARNING') as capture:
            res = self.url_open_json('/settings', expected_code=403)
            self.assertEqual(res.headers['Content-Type'], 'text/html; charset=utf-8')
        self.assertIn("You are not allowed to access", res.text)
        self.assertEqual(len(capture.output), 1)
        self.assertIn("You are not allowed to access", capture.output[0])

    def test_webjson_access_error_crm(self):
        action_crm = self.env['ir.actions.server'].sudo().search([('path', '=', 'crm')])
        if not action_crm:
            self.skipTest("crm is not installed")

        self.authenticate_demo()
        self.user_demo.groups_id += self.env.ref('sales_team.group_sale_salesman')
        self.url_open_json('/crm')

        self.env['ir.model.access'].search([
            ('model_id', '=', action_crm.model_id.id)
        ]).perm_read = False

        with self.assertLogs('odoo.http', 'WARNING') as capture:
            res = self.url_open_json('/crm', expected_code=403)
            self.assertEqual(res.headers['Content-Type'], 'text/html; charset=utf-8')
        self.assertIn("You are not allowed to access", res.text)
        self.assertEqual(len(capture.output), 1)
        self.assertIn("You are not allowed to access", capture.output[0])

    def test_webjson_access_export(self):
        # a simple call
        url = f'/test_http.stargate/{self.earth.id}'
        self.authenticate_demo()
        res = self.url_open_json(url)

        # remove export permssion
        group_export = self.env.ref('base.group_allow_export')
        self.user_demo.write({'groups_id': [Command.unlink(group_export.id)]})

        # check that demo has no access to /json
        with self.assertLogs('odoo.http', 'WARNING') as capture:
            res = self.url_open_json(url, expected_code=403)
            self.assertIn("need export permissions", res.text)
            self.assertIn("need export permissions", capture.output[0])

    def test_webjson_bad_stuff(self):
        self.authenticate_demo()

        with self.subTest(bad='action'):
            res = self.url_open_json('/idontexist', expected_code=400)
            self.assertEqual(res.headers['Content-Type'], CT_HTML)
            self.assertIn(
                "expected action at word 1 but found “idontexist”", res.text)

        with self.subTest(bad='active_id'):
            res = self.url_open_json('/5/test_http.stargate', expected_code=400)
            self.assertEqual(res.headers['Content-Type'], CT_HTML)
            self.assertIn("expected action at word 1 but found “5”", res.text)

        with self.subTest(bad='record_id'):
            res = self.url_open_json('/test_http.stargate/1/2', expected_code=400)
            self.assertEqual(res.headers['Content-Type'], CT_HTML)
            self.assertIn("expected action at word 3 but found “2”", res.text)

        with self.subTest(bad='view_type'):
            error = "Invalid view type 'idontexist'"
            res = self.url_open_json('/res.users?view_type=idontexist', expected_code=400)
            self.assertEqual(res.headers['Content-Type'], CT_HTML)
            self.assertIn(error, html.unescape(res.text))

    def test_webjson_form(self):
        self.authenticate_demo()
        res = self.url_open_json(f'/test_http.stargate/{self.earth.id}')
        self.assertEqual(res.json(), {
            'id': self.earth.id,
            'name': self.earth.name,
            'sgc_designation': self.earth.sgc_designation,
            'galaxy_id': {'id': self.earth.galaxy_id.id,
                          'display_name': self.earth.galaxy_id.name},
            'glyph_attach': self.gizeh_b64,
            'glyph_inline': self.gizeh_b64,
        })

    def test_webjson_form_subtree(self):
        env = self.authenticate_demo()
        res = self.url_open_json(f'/test_http.galaxy/{self.milky_way.id}')
        self.assertEqual(
            res.json(),
            self.milky_way.with_env(env).web_read({
                'name': {},
                'stargate_ids': {'fields': {
                    'name': {},
                    'sgc_designation': {}
                }},
            })[0],
        )

    def test_webjson_form_viewtype_list(self):
        self.authenticate_demo()
        url = f'/test_http.stargate/{self.earth.id}'
        res = self.url_open_json(f'{url}?view_type=list')
        self.assertEqual(res.json(), {
            'id': self.earth.id,
            'name': self.earth.name,
            'sgc_designation': self.earth.sgc_designation,
        })

    def test_webjson_list(self):
        env = self.authenticate_demo()
        res = self.url_open_json('/test_http.stargate')
        self.assertEqual(
            res.json(),
            env['test_http.stargate']
                .web_search_read([], {'name': {}, 'sgc_designation': {}})
        )

    def test_webjson_list_limit_offset(self):
        env = self.authenticate_demo()
        url = '/test_http.stargate'
        stargates = (
            env['test_http.stargate']
                .web_search_read([], {'name': {}, 'sgc_designation': {}})
        )['records']

        res_limit = self.url_open_json(f'{url}?limit=1')
        self.assertEqual(res_limit.json(), {
            'length': len(stargates),
            'records': stargates[:1]
        })

        res_offset = self.url_open_json(f'{url}?offset=1')
        self.assertEqual(res_offset.json(), {
            'length': len(stargates),
            'records': stargates[1:]
        })

        res_limit_offset = self.url_open_json(f'{url}?limit=1&offset=1')
        self.assertEqual(res_limit_offset.json(), {
            'length': len(stargates),
            'records': stargates[1:2]
        })

    def test_webjson_list_domain(self):
        env = self.authenticate_demo()
        domain = [("address", "like", "gs38")]
        res = self.url_open_json(f'/test_http.stargate?domain={domain!r}')
        self.assertEqual(
            res.json(),
            env['test_http.stargate']
                .web_search_read(domain, {'name': {}, 'sgc_designation': {}})
        )

    def test_webjson_list_domain_default_filter(self):
        action_domain = [('availability', '>', 0.95)]
        self.env.ref('test_http.action_window_stargate').domain = action_domain
        env = self.authenticate_demo()

        res = self.url_open_json('/test_http.stargate')
        self.assertEqual(
            res.json()["length"],
            env['test_http.stargate'].search_count(action_domain),
        )

        user_domain = [('address', 'ilike', 'a')]
        env['ir.filters'].create({
            'domain': user_domain,
            'model_id': 'test_http.stargate',
            'name': 'Some def filter',
            'is_default': True,
        })
        res = self.url_open_json('/test_http.stargate')
        self.assertEqual(
            res.json()["length"],
            env['test_http.stargate'].search_count(action_domain + user_domain),
        )
        self.assertIn("ilike", res.url, "URL should contain a user domain")
        self.assertNotIn(action_domain[0][0], res.url, "URL should not contain a domain with action domain")

    def test_webjson_list_args(self):
        env = self.authenticate_demo()
        # create a default filter
        domain = [("name", "ilike", "earth")]
        self.env['ir.filters'].create({
            'name': 'my filter',
            'is_default': True,
            'domain': domain,
            'model_id': 'test_http.stargate',
        })
        res = self.url_open_json('/test_http.stargate')
        self.assertEqual(
            res.json(),
            env['test_http.stargate']
                .web_search_read(domain, {'name': {}, 'sgc_designation': {}})
        )
        self.assertEqual(len(res.history), 1, "should had been redirected")
        self.assertEqual(res.history[0].status_code, HTTPStatus.TEMPORARY_REDIRECT)
        self.assertEqual(parse_qs(urlsplit(res.url).query), {
            'domain': ["[('name', 'ilike', 'earth')]"],
            'offset': ['0'],
            'limit': ['80'],
        })

    def test_webjson_pivot(self):
        env = self.authenticate_demo()
        res = self.url_open_json('/test_http.stargate?view_type=pivot')
        self.assertEqual(
            res.json(),
            read_group_list(
                env['test_http.stargate'], [], ['galaxy_id', 'has_galaxy_crystal'], ['availability']),
        )

        res = self.url_open_json('/test_http.stargate?view_type=pivot&groupby=has_galaxy_crystal&fields=availability:min')
        self.assertEqual(
            res.json(),
            read_group_list(env['test_http.stargate'], [], ['has_galaxy_crystal'], ['availability:min']),
        )

        user_domain = [('availability', '>=', 0.95)]
        env['ir.filters'].create({
            'domain': user_domain,
            'model_id': 'test_http.stargate',
            'name': 'Some def filter',
            'is_default': True,
        })
        res = self.url_open_json('/test_http.stargate?view_type=pivot&groupby=has_galaxy_crystal&fields=availability:min')
        self.assertEqual(
            res.json(),
            read_group_list(env['test_http.stargate'], user_domain, ['has_galaxy_crystal'], ['availability:min']),
        )

    def test_webjson_graph(self):
        env = self.authenticate_demo()
        res = self.url_open_json('/test_http.stargate?view_type=graph')
        self.assertEqual(
            res.json(),
            read_group_list(env['test_http.stargate'], [], ['galaxy_id']),
        )

    def test_webjson_activity(self):
        env = self.authenticate_demo()
        env['test_http.stargate'].search([], limit=1).activity_schedule(summary='test')
        res = self.url_open_json('/test_http.stargate?view_type=activity')
        # check that we have at least the following fields
        expected_fields = ["activity_ids", "activity_summary", "activity_user_id", "galaxy_id"]
        self.assertEqual(
            sorted(field_name for field_name in res.json()["records"][0] if field_name in expected_fields),
            expected_fields,
        )

    def test_webjson_calendar(self):
        env = self.authenticate_demo()
        today = date.today()
        start_date_iso = today.replace(day=1).isoformat()
        # check that we have the date in the URL
        res = self.url_open_json('/test_http.stargate?view_type=calendar')
        self.assertIn(f"start_date={start_date_iso}", res.url)
        # check that we can filter using the date
        last_date = max(
            env['test_http.stargate'].search([('last_use_date', '!=', False)])
            .mapped('last_use_date')
        )
        res = self.url_open_json(f'/test_http.stargate?view_type=calendar&domain=[]&start_date={last_date.isoformat()}&end_date=2099-01-01')
        self.assertEqual(
            res.json()["length"],
            env['test_http.stargate'].search_count([('last_use_date', '>=', last_date)]),
        )

    def test_webjson_readonly(self):
        env = self.authenticate_demo()
        # test that we can write
        env.ref('test_http.earth').copy()
        # create the action that executes the same write
        self.env['ir.actions.server'].create({
            'name': 'test write',
            'model_id': self.env['ir.model']._get('test_http.stargate').id,
            'path': 'test_webjson_readonly',
            'state': 'code',
            'code': "action = {}\nmodel.env.ref('test_http.earth').copy()",
        })
        # test that is does NOT work
        with mute_logger("odoo.http", "odoo.sql_db"):
            res = self.url_open_json('/test_webjson_readonly', expected_code=403)
            self.assertIn("Unsupported server action", res.text)