from misago.acl.test import patch_user_acl
from misago.categories.models import Category

default_category_acl = {
    "can_see": 1,
    "can_browse": 1,
    "can_see_all_threads": 1,
    "can_see_own_threads": 0,
    "can_hide_threads": 0,
    "can_approve_content": 0,
    "can_edit_posts": 0,
    "can_hide_posts": 0,
    "can_hide_own_posts": 0,
    "can_merge_threads": 0,
    "can_close_threads": 0,
}


def patch_category_acl(acl_patch=None):
    def patch_acl(_, user_acl):
        category = Category.objects.get(slug="first-category")
        category_acl = user_acl["categories"][category.id]
        category_acl.update(default_category_acl)
        if acl_patch:
            category_acl.update(acl_patch)
        cleanup_patched_acl(user_acl, category_acl, category)

    return patch_user_acl(patch_acl)


def patch_other_user_category_acl(acl_patch=None):
    def patch_acl(user, user_acl):
        if user.slug != "otheruser":
            return

        category = Category.objects.get(slug="first-category")
        category_acl = user_acl["categories"][category.id]
        category_acl.update(default_category_acl)
        if acl_patch:
            category_acl.update(acl_patch)
        cleanup_patched_acl(user_acl, category_acl, category)

    return patch_user_acl(patch_acl)


def patch_other_category_acl(acl_patch=None):
    def patch_acl(_, user_acl):
        src_category = Category.objects.get(slug="first-category")
        category_acl = user_acl["categories"][src_category.id].copy()

        dst_category = Category.objects.get(slug="other-category")
        user_acl["categories"][dst_category.id] = category_acl

        category_acl.update(default_category_acl)
        if acl_patch:
            category_acl.update(acl_patch)

        cleanup_patched_acl(user_acl, category_acl, dst_category)

    return patch_user_acl(patch_acl)


def patch_private_threads_acl(acl_patch=None):
    def patch_acl(_, user_acl):
        category = Category.objects.private_threads()
        category_acl = user_acl["categories"][category.id]
        category_acl.update(default_category_acl)
        if acl_patch:
            category_acl.update(acl_patch)
        cleanup_patched_acl(user_acl, category_acl, category)

    return patch_user_acl(patch_acl)


def other_user_cant_use_private_threads(user, user_acl):
    if user.slug == "otheruser":
        user_acl.update({"can_use_private_threads": False})


def create_category_acl_patch(category_slug, acl_patch):
    def created_category_acl_patch(_, user_acl):
        category = Category.objects.get(slug=category_slug)
        category_acl = user_acl["categories"].get(category.id, {})
        category_acl.update(default_category_acl)
        if acl_patch:
            category_acl.update(acl_patch)
        cleanup_patched_acl(user_acl, category_acl, category)

    return created_category_acl_patch


def cleanup_patched_acl(user_acl, category_acl, category):
    visible_categories = user_acl["visible_categories"]
    browseable_categories = user_acl["browseable_categories"]

    if not category_acl["can_see"] and category.id in visible_categories:
        visible_categories.remove(category.id)

    if not category_acl["can_see"] and category.id in browseable_categories:
        browseable_categories.remove(category.id)

    if not category_acl["can_browse"] and category.id in browseable_categories:
        browseable_categories.remove(category.id)

    if category_acl["can_see"] and category.id not in visible_categories:
        visible_categories.append(category.id)

    if category_acl["can_browse"] and category.id not in browseable_categories:
        browseable_categories.append(category.id)