from __future__ import annotations

import os
import typing as t
from glob import glob

import importlib_resources
from tutor import hooks as tutor_hooks
from tutor.__about__ import __version_suffix__

from .__about__ import __version__

# Handle version suffix in main mode, just like tutor core
if __version_suffix__:
    __version__ += "-" + __version_suffix__

config = {
    "defaults": {
        "VERSION": __version__,
        "DOCKER_IMAGE": "{{ DOCKER_REGISTRY }}overhangio/openedx-notes:{{ NOTES_VERSION }}",
        "HOST": "notes.{{ LMS_HOST }}",
        "MYSQL_DATABASE": "notes",
        "MYSQL_USERNAME": "notes",
        "REPOSITORY": "https://github.com/openedx/edx-notes-api",
        "REPOSITORY_VERSION": "{{ OPENEDX_COMMON_VERSION }}",
    },
    "unique": {
        "MYSQL_PASSWORD": "{{ 8|random_string }}",
        "SECRET_KEY": "{{ 24|random_string }}",
        "OAUTH2_SECRET": "{{ 24|random_string }}",
    },
}

# For each service, we load the task template
# and add it to the CLI_DO_INIT_TASKS filter, which tells Tutor to
# run it as part of the `init` job.
for service in ["mysql", "lms", "notes"]:
    full_path: str = str(
        importlib_resources.files("tutornotes")
        / "templates"
        / "notes"
        / "tasks"
        / service
        / "init"
    )
    with open(full_path, encoding="utf-8") as init_task_file:
        init_task: str = init_task_file.read()
    tutor_hooks.Filters.CLI_DO_INIT_TASKS.add_item((service, init_task))

# Image management
tutor_hooks.Filters.IMAGES_BUILD.add_item(
    (
        "notes",
        ("plugins", "notes", "build", "notes"),
        "{{ NOTES_DOCKER_IMAGE }}",
        (),
    )
)
tutor_hooks.Filters.IMAGES_PULL.add_item(
    (
        "notes",
        "{{ NOTES_DOCKER_IMAGE }}",
    )
)
tutor_hooks.Filters.IMAGES_PUSH.add_item(
    (
        "notes",
        "{{ NOTES_DOCKER_IMAGE }}",
    )
)


@tutor_hooks.Filters.COMPOSE_MOUNTS.add()
def _mount_edx_notes_api(
    volumes: list[tuple[str, str]], name: str
) -> list[tuple[str, str]]:
    """
    When mounting edx-notes-api with `--mount=/path/to/edx-notes-api`,
    bind-mount the host repo in the notes container.
    """
    if name == "edx-notes-api":
        path = "/app/edx-notes-api"
        volumes += [
            ("notes", path),
            ("notes-job", path),
        ]
    return volumes


# Add the "templates" folder as a template root
tutor_hooks.Filters.ENV_TEMPLATE_ROOTS.add_item(
    str(importlib_resources.files("tutornotes") / "templates")
)
# Render the "build" and "apps" folders
tutor_hooks.Filters.ENV_TEMPLATE_TARGETS.add_items(
    [
        ("notes/build", "plugins"),
        ("notes/apps", "plugins"),
    ],
)
# Load patches from files
for path in glob(str(importlib_resources.files("tutornotes") / "patches" / "*")):
    with open(path, encoding="utf-8") as patch_file:
        tutor_hooks.Filters.ENV_PATCHES.add_item(
            (os.path.basename(path), patch_file.read())
        )

# Add configuration entries
tutor_hooks.Filters.CONFIG_DEFAULTS.add_items(
    [(f"NOTES_{key}", value) for key, value in config.get("defaults", {}).items()]
)
tutor_hooks.Filters.CONFIG_UNIQUE.add_items(
    [(f"NOTES_{key}", value) for key, value in config.get("unique", {}).items()]
)
tutor_hooks.Filters.CONFIG_OVERRIDES.add_items(
    list(config.get("overrides", {}).items())
)


# Notes public hosts
@tutor_hooks.Filters.APP_PUBLIC_HOSTS.add()
def _notes_public_hosts(
    hosts: list[str], context_name: t.Literal["local", "dev"]
) -> list[str]:
    if context_name == "dev":
        hosts += ["{{ NOTES_HOST }}:8120"]
    else:
        hosts += ["{{ NOTES_HOST }}"]
    return hosts