import json
import api.utilities as utilities
from helpers import category_helper
from uuid import uuid4


def get_meta_rules(client):
    req = client.get("/meta_rules")
    meta_rules = utilities.get_json(req.data)
    return req, meta_rules


def add_meta_rules(client, name):
    subject_category = category_helper.add_subject_category(value={"name": "subject category name"+uuid4().hex, "description": "description 1"})
    subject_category_id = list(subject_category.keys())[0]
    object_category = category_helper.add_object_category(value={"name": "object category name"+ uuid4().hex, "description": "description 1"})
    object_category_id = list(object_category.keys())[0]
    action_category = category_helper.add_action_category(value={"name": "action category name"+uuid4().hex, "description": "description 1"})
    action_category_id = list(action_category.keys())[0]

    data = {
        "name": name,
        "subject_categories": [subject_category_id],
        "object_categories": [object_category_id],
        "action_categories": [action_category_id]
    }
    req = client.post("/meta_rules", data=json.dumps(data),
                      headers={'Content-Type': 'application/json'})
    meta_rules = utilities.get_json(req.data)
    return req, meta_rules


def add_meta_rules_without_subject_category_ids(client, name):
    data = {
        "name": name,
        "subject_categories": [],
        "object_categories": ["object_category_id1"],
        "action_categories": ["action_category_id1"]
    }
    req = client.post("/meta_rules", data=json.dumps(data),
                      headers={'Content-Type': 'application/json'})
    meta_rules = utilities.get_json(req.data)
    return req, meta_rules


def update_meta_rules(client, name, metaRuleId):
    subject_category = category_helper.add_subject_category(
        value={"name": "subject category name update" + uuid4().hex, "description": "description 1"})
    subject_category_id = list(subject_category.keys())[0]
    object_category = category_helper.add_object_category(
        value={"name": "object category name update" + uuid4().hex, "description": "description 1"})
    object_category_id = list(object_category.keys())[0]
    action_category = category_helper.add_action_category(
        value={"name": "action category name update" + uuid4().hex, "description": "description 1"})
    action_category_id = list(action_category.keys())[0]
    data = {
        "name": name,
        "subject_categories": [subject_category_id],
        "object_categories": [object_category_id],
        "action_categories": [action_category_id]
    }
    req = client.patch("/meta_rules/{}".format(metaRuleId), data=json.dumps(data),
                      headers={'Content-Type': 'application/json'})
    meta_rules = utilities.get_json(req.data)
    return req, meta_rules


def update_meta_rules_without_subject_category_ids(client, name):
    data = {
        "name": name,
        "subject_categories": [],
        "object_categories": ["object_category_id1"],
        "action_categories": ["action_category_id1"]
    }
    req = client.post("/meta_rules", data=json.dumps(data),
                      headers={'Content-Type': 'application/json'})
    meta_rules = utilities.get_json(req.data)
    return req, meta_rules


def delete_meta_rules(client, name):
    request, meta_rules = get_meta_rules(client)
    for key, value in meta_rules['meta_rules'].items():
        if value['name'] == name:
            req = client.delete("/meta_rules/{}".format(key))
            break
    return req


def delete_meta_rules_without_id(client):
    req = client.delete("/meta_rules/{}".format(""))
    return req


def test_get_meta_rules():
    client = utilities.register_client()
    req, meta_rules = get_meta_rules(client)
    assert req.status_code == 200
    assert isinstance(meta_rules, dict)
    assert "meta_rules" in meta_rules


def test_add_meta_rules():
    client = utilities.register_client()
    req, meta_rules = add_meta_rules(client, "testuser")
    assert req.status_code == 200
    assert isinstance(meta_rules, dict)
    value = list(meta_rules["meta_rules"].values())[0]
    assert "meta_rules" in meta_rules
    assert value['name'] == "testuser"


def test_add_meta_rules_with_empty_user():
    client = utilities.register_client()
    req, meta_rules = add_meta_rules(client, "")
    assert req.status_code == 400
    assert json.loads(req.data)["message"] == "Key: 'name', [Empty String]"


def test_add_meta_rules_with_user_contain_space():
    client = utilities.register_client()
    req, meta_rules = add_meta_rules(client, "test user")
    assert req.status_code == 400
    assert json.loads(req.data)["message"] == "Key: 'name', [String contains space]"


def test_add_meta_rules_without_subject_categories():
    client = utilities.register_client()
    req, meta_rules = add_meta_rules_without_subject_category_ids(client, "testuser")
    assert req.status_code == 400
    assert json.loads(req.data)["message"] == "Key: 'subject_categories', [Empty Container]"


def test_delete_meta_rules():
    client = utilities.register_client()
    req = delete_meta_rules(client, "testuser")
    assert req.status_code == 200


def test_delete_meta_rules_without_id():
    client = utilities.register_client()
    req = delete_meta_rules_without_id(client)
    assert req.status_code == 400
    assert json.loads(req.data)["message"] == "400: Meta Rule Unknown"


def test_update_meta_rules():
    client = utilities.register_client()
    req = add_meta_rules(client, "testuser")
    meta_rule_id = list(req[1]['meta_rules'])[0]
    req_update = update_meta_rules(client, "testuser", meta_rule_id)
    assert req_update[0].status_code == 200
    delete_meta_rules(client, "testuser")
    get_meta_rules(client)


def test_update_meta_rules_without_id():
    client = utilities.register_client()
    req_update = update_meta_rules(client, "testuser", "")
    assert req_update[0].status_code == 400
    assert json.loads(req_update[0].data)["message"] == "400: Meta Rule Unknown"


def test_update_meta_rules_without_user():
    client = utilities.register_client()
    req_update = update_meta_rules(client, "", "")
    assert req_update[0].status_code == 400
    assert json.loads(req_update[0].data)["message"] == "Key: 'name', [Empty String]"


def test_update_meta_rules_without_subject_categories():
    client = utilities.register_client()
    req_update = update_meta_rules_without_subject_category_ids(client, "testuser")
    assert req_update[0].status_code == 400
    assert json.loads(req_update[0].data)["message"] == "Key: 'subject_categories', [Empty Container]"