# Copyright 2023 Camptocamp
# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
import hashlib
import inspect

from odoo import tools
from odoo.tests import Form, tagged
from odoo.tests.common import TransactionCase

from odoo.addons.mail.tests.common import MailCase
from odoo.addons.mail.tests.test_mail_composer import TestMailComposerForm
from odoo.addons.mail.wizard.mail_compose_message import (
    MailComposer as MailComposer_upstream,
)

VALID_HASHES = {
    "mail.composer:_compute_partner_ids": ["813ef112e3948fe625b9a89428f2518d"],
}


class TestMailCcBcc(TestMailComposerForm):
    @classmethod
    def setUpClass(cls):
        super().setUpClass()
        env = cls.env
        cls.partner = env.ref("base.res_partner_address_31")
        cls.partner_cc = env.ref("base.partner_demo")
        cls.partner_cc2 = env.ref("base.partner_demo_portal")
        cls.partner_cc3 = env.ref("base.res_partner_main1")
        cls.partner_bcc = env.ref("base.res_partner_main2")

    def open_mail_composer_form(self):
        # Use form to populate data
        test_record = self.test_record.with_env(self.env)
        ctx = {
            "default_partner_ids": test_record.ids,
            "default_model": test_record._name,
            "default_res_ids": test_record.ids,
            # to ensure consistent test results even when mail_post_defer is installed
            "mail_notify_force_send": True,
        }
        form = Form(self.env["mail.compose.message"].with_context(**ctx))
        form.body = "<p>Hello</p>"
        return form

    def test_MailComposer_upstream_file_hash(self):
        """Test that copied upstream function hasn't received fixes"""
        _compute_partner_ids = inspect.getsource(
            MailComposer_upstream._compute_partner_ids
        ).encode()
        func_hash = hashlib.md5(_compute_partner_ids).hexdigest()
        self.assertIn(func_hash, VALID_HASHES.get("mail.composer:_compute_partner_ids"))

    def test_email_cc_bcc(self):
        self.test_record.email = "test@example.com"
        form = self.open_mail_composer_form()
        composer = form.save()
        # Use object to update Many2many fields (form can't do like this)
        composer.partner_cc_ids = self.partner_cc
        composer.partner_cc_ids |= self.partner_cc2
        composer.partner_cc_ids |= self.partner_cc3
        composer.partner_bcc_ids = self.partner_bcc

        with self.mock_mail_gateway():
            composer._action_send_mail()

        self.assertEqual(len(self._mails), 5)

        # Verify recipients of mail.message
        message = self.test_record.message_ids[0]

        # only keep 1 email to avoid clutting db
        # but actually send 1 mail per recipients
        self.assertEqual(len(message.mail_ids), 1)
        self.assertEqual(len(message.recipient_cc_ids), 3)
        self.assertEqual(len(message.recipient_bcc_ids), 1)
        # Verify notification
        for_message = [
            ("mail_message_id", "=", message.id),
            ("notification_type", "=", "email"),
        ]
        notif = self.env["mail.notification"].search(for_message)
        self.assertEqual(len(notif), 5)

        # Verify data of mail.mail
        mail = message.mail_ids
        expecting = ", ".join(
            [
                '"Marc Demo" <mark.brown23@example.com>',
                '"Joel Willis" <joel.willis63@example.com>',
                '"Chester Reed" <chester.reed79@example.com>',
            ]
        )
        self.assertEqual(mail.email_cc, expecting)
        expecting = '"Dwayne Newman" <dwayne.newman28@example.com>'
        self.assertEqual(mail.email_bcc, expecting)

    def test_template_cc_bcc(self):
        env = self.env
        # Company default values
        env.company.default_partner_cc_ids = self.partner_cc3
        env.company.default_partner_bcc_ids = self.partner_cc2
        # Partner template values
        tmpl_model = env["ir.model"].search([("model", "=", "res.partner")])
        partner_cc = self.partner_cc
        partner_bcc = self.partner_bcc
        vals = {
            "name": "Product Template: Re: [E-COM11] Cabinet with Doors",
            "model_id": tmpl_model.id,
            "subject": "Re: [E-COM11] Cabinet with Doors",
            "body_html": """<p style="margin:0px 0 12px 0;box-sizing:border-box;">
Test Template<br></p>""",
            "email_cc": tools.formataddr(
                (partner_cc.name or "False", partner_cc.email or "False")
            ),
            "email_bcc": tools.formataddr(
                (partner_bcc.name or "False", partner_bcc.email or "False")
            ),
        }
        partner_tmpl = env["mail.template"].create(vals)

        # Open mail composer form and check for default values from company
        form = self.open_mail_composer_form()
        composer = form.save()

        self.assertEqual(composer.partner_cc_ids, self.partner_cc3)
        self.assertEqual(composer.partner_bcc_ids, self.partner_cc2)

        # Change email template and check for values from it
        form.template_id = partner_tmpl
        composer = form.save()

        # Beside existing Cc and Bcc, add template's ones
        form = Form(composer)
        form.template_id = partner_tmpl
        composer = form.save()
        expecting = self.partner_cc3 + self.partner_cc

        self.assertEqual(composer.partner_cc_ids, expecting)
        expecting = self.partner_cc2 + self.partner_bcc
        self.assertEqual(composer.partner_bcc_ids, expecting)
        # But not add Marc Demo from cc field to partner_ids field
        self.assertEqual(len(composer.partner_ids), 1)
        self.assertEqual(composer.partner_ids.display_name, "Test")

        # Selecting the template again doesn't add as the partners already
        # in the list
        form = Form(composer)
        form.template_id = env["mail.template"]
        form.save()
        self.assertFalse(form.template_id)  # no template

        form.template_id = partner_tmpl
        composer = form.save()

        expecting = self.partner_cc3 + self.partner_cc
        self.assertEqual(composer.partner_cc_ids, expecting)

        expecting = self.partner_cc2 + self.partner_bcc
        self.assertEqual(composer.partner_bcc_ids, expecting)

    def set_company(self):
        company = self.env.company
        # Company default values
        company.default_partner_cc_ids = self.partner_cc3
        company.default_partner_bcc_ids = self.partner_cc2

    def test_recipient_ids_and_cc_bcc(self):
        self.set_company()
        form = self.open_mail_composer_form()
        composer = form.save()
        composer.partner_ids = self.partner + self.partner_cc

        with self.mock_mail_gateway():
            composer._action_send_mail()

        message = self.test_record.message_ids[0]
        self.assertEqual(len(message.mail_ids), 1)

        # Only 4 partners notified
        self.assertEqual(len(message.notified_partner_ids), 4)
        self.assertEqual(len(message.notification_ids), 4)

    def test_mail_without_cc_bcc(self):
        self.set_company()
        form = self.open_mail_composer_form()
        subject = "Testing without cc/bcc single mail"
        form.subject = subject
        composer = form.save()
        composer.partner_cc_ids = None
        composer.partner_bcc_ids = None
        composer.partner_ids = self.partner + self.partner_cc  # 2 emails are sent
        ctx = {"mail_notify_force_send": True}
        ctx.update(composer.env.context)
        composer = composer.with_context(**ctx)
        with self.mock_mail_gateway():
            composer._action_send_mail()
        sent_mails = 0
        for mail in self._mails:
            if subject == mail.get("subject"):
                sent_mails += 1
        self.assertEqual(sent_mails, 2, "There should be 2 mails sent")


@tagged("-at_install", "post_install")
class TestMailComposerCcBccWithTracking(TransactionCase, MailCase):
    @classmethod
    def setUpClass(cls):
        super().setUpClass()
        cls.partner = cls.env.ref("base.res_partner_address_31")
        cls.partner_cc = cls.env.ref("base.partner_demo")
        cls.partner_bcc = cls.env.ref("base.res_partner_main2")
        cls.admin_user = cls.env.ref("base.user_admin")

        if "purchase.order" in cls.env:
            cls.new_po = (
                cls.env["purchase.order"]
                .create(
                    {
                        "partner_id": cls.partner.id,
                    }
                )
                .with_context(mail_notrack=False)
            )

    def test_tracking_mail_without_cc_bcc(self):
        if "purchase.order" in self.env:
            self.cr.precommit.clear()
            # create a PO
            # user subscribe to tracking status of PO
            self.new_po.message_subscribe(
                partner_ids=self.admin_user.partner_id.ids,
                subtype_ids=(
                    (
                        self.env.ref("purchase.mt_rfq_sent")
                        | self.env.ref("purchase.mt_rfq_confirmed")
                    ).ids
                ),
            )

            composer_ctx = self.new_po.action_rfq_send()
            # send RFQ with cc/bcc
            form = Form(
                self.env["mail.compose.message"].with_context(**composer_ctx["context"])
            )
            composer = form.save()
            composer.partner_ids = self.partner
            composer.partner_cc_ids = self.partner_cc
            composer.partner_bcc_ids = self.partner_bcc

            with self.mock_mail_gateway(), self.mock_mail_app():
                composer._action_send_mail()
                self.flush_tracking()
            self.assertEqual(
                len(self._new_msgs),
                2,
                "Expected a tracking message and a RFQ message",
            )
            self.assertEqual(
                self.ref("purchase.mt_rfq_sent"),
                self._new_msgs[1].subtype_id.id,
                "Expected a tracking message",
            )

            # RFQ email should include cc/bcc
            rfq_message = self._new_msgs.filtered(lambda x: x.message_type == "comment")
            self.assertEqual(len(rfq_message.notified_partner_ids), 3)
            self.assertEqual(len(rfq_message.notification_ids), 3)
            rfq_mail = rfq_message.mail_ids
            self.assertEqual(len(rfq_mail.recipient_ids), 3)

            # tracking email should not include cc/bcc
            tracking_message = self._new_msgs.filtered(
                lambda x: x.message_type == "notification"
            )
            tracking_field_mail = tracking_message.mail_ids
            self.assertEqual(len(tracking_field_mail.recipient_ids), 1)
            self.assertEqual(
                tracking_field_mail.recipient_ids, self.admin_user.partner_id
            )