#
# Copyright BrainPad Inc. All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
import csv
import json
import os
import shutil
from glob import glob

import pytest

from cliboa.conf import env
from cliboa.scenario.transform.json import JsonlAddKeyValue, JsonlToCsv, JsonlToCsvBase
from cliboa.test import BaseCliboaTest
from cliboa.util.exception import InvalidParameter
from cliboa.util.helper import Helper
from cliboa.util.lisboa_log import LisboaLog


class TestJsonTransform(BaseCliboaTest):
    def setUp(self):
        self._data_dir = os.path.join(env.BASE_DIR, "data")
        self._result_dir = os.path.join(env.BASE_DIR, "data", "result")
        os.makedirs(self._data_dir, exist_ok=True)
        os.makedirs(self._result_dir, exist_ok=True)

    def tearDown(self):
        shutil.rmtree(self._data_dir, ignore_errors=True)

    def _create_jsonl(self, data, fname="test.json"):
        path = os.path.join(self._data_dir, fname)
        mode = "a" if os.path.exists(path) else "w"
        with open(path, mode=mode, encoding="utf-8") as file:
            for d in data:
                json.dump(d, file, separators=(",", ":"))
                file.write("\n")


class TestJsonlToCsvBase(TestJsonTransform):
    class DummyJsonlToCsvBase(JsonlToCsvBase):
        def __init__(self):
            super().__init__()

        def execute(self, *args):
            super().execute()

        def convert_row(self, row):
            return [row]

    def test_execute_ok(self):
        # create test jsonl
        data = [
            {"id": "123456789", "name": "A", "age": "25", "value": []},
        ]
        self._create_jsonl(data)

        # set the essential attributes
        instance = JsonlToCsv()
        Helper.set_property(instance, "logger", LisboaLog.get_logger(__name__))
        Helper.set_property(instance, "src_dir", self._data_dir)
        Helper.set_property(instance, "src_pattern", "test.json")
        Helper.set_property(instance, "dest_dir", self._result_dir)
        instance.execute()
        dest = os.path.join(self._result_dir, "test.csv")
        with open(dest, mode="r") as f:
            reader = csv.DictReader(f, quoting=csv.QUOTE_ALL)
            self.assertEqual(1, len(list(reader)))
            for i, row in enumerate(reader):
                if i == 0:
                    self.assertEqual("123456789", row.get("id"))
                    self.assertEqual("A", row.get("name"))
                    self.assertEqual("25", row.get("age"))
                    self.assertEqual("[]", row.get("value"))


class TestJsonlToCsv(TestJsonTransform):
    def test_execute_ok(self):
        # create test jsonl
        data = [
            {"id": "123456789", "name": "A", "age": "25", "value": []},
            {
                "id": "1234567890",
                "name": "B",
                "age": "30",
                "value": [{"key": "test_key", "value": 999}, {"key": 'test"01"', "value": "true"}],
            },
        ]
        self._create_jsonl(data, "test_1.json")
        self._create_jsonl(data, "test_2.json")

        # set the essential attributes
        instance = JsonlToCsv()
        Helper.set_property(instance, "logger", LisboaLog.get_logger(__name__))
        Helper.set_property(instance, "src_dir", self._data_dir)
        Helper.set_property(instance, "src_pattern", "test.*.json")
        Helper.set_property(instance, "dest_dir", self._result_dir)
        instance.execute()
        files = glob(os.path.join(self._result_dir, "*.csv"))
        assert 2 == len(files)
        for file in files:
            with open(file, mode="r") as f:
                reader = csv.DictReader(f, quoting=csv.QUOTE_ALL)
                self.assertEqual(2, len(list(reader)))
                for i, row in enumerate(reader):
                    if i == 0:
                        self.assertEqual("123456789", row.get("id"))
                        self.assertEqual("A", row.get("name"))
                        self.assertEqual("25", row.get("age"))
                        self.assertEqual("[]", row.get("value"))
                    elif i == 1:
                        self.assertEqual("1234567890", row.get("id"))
                        self.assertEqual("B", row.get("name"))
                        self.assertEqual("30", row.get("age"))
                        self.assertEqual(
                            "[{'key': 'test_key', 'value': 999}, \
                             {'key': 'test\"01\"', 'value': 'true'}]",
                            row.get("value"),
                        )
                        assert row.endswith("\r\n")

    def test_execute_ok_2(self):
        # create test jsonl
        data = [
            {"id": "123456789", "name": "A", "age": "25", "value": []},
            {
                "id": "1234567890",
                "name": "B",
                "age": "30",
                "value": [{"key": "test,_key", "value": 999}, {"key": 'test"01"', "value": "true"}],
            },
        ]
        self._create_jsonl(data, "test_1.json")
        self._create_jsonl(data, "test_2.json")

        # set the essential attributes
        instance = JsonlToCsv()
        Helper.set_property(instance, "logger", LisboaLog.get_logger(__name__))
        Helper.set_property(instance, "src_dir", self._data_dir)
        Helper.set_property(instance, "src_pattern", "test.*.json")
        Helper.set_property(instance, "dest_dir", self._result_dir)
        Helper.set_property(instance, "quote", "QUOTE_NONE")
        Helper.set_property(instance, "escape_char", ",")
        instance.execute()
        files = glob(os.path.join(self._result_dir, "*.csv"))
        assert 2 == len(files)
        for file in files:
            with open(file, mode="r") as f:
                reader = csv.DictReader(f, quoting=csv.QUOTE_NONE)
                self.assertEqual(2, len(list(reader)))
                for i, row in enumerate(reader):
                    if i == 0:
                        self.assertEqual("123456789", row.get("id"))
                        self.assertEqual("A", row.get("name"))
                        self.assertEqual("25", row.get("age"))
                        self.assertEqual("[]", row.get("value"))
                    elif i == 1:
                        self.assertEqual("1234567890", row.get("id"))
                        self.assertEqual("B", row.get("name"))
                        self.assertEqual("30", row.get("age"))
                        self.assertEqual(
                            "[{'key': 'test,_key', 'value': 999}, \
                             {'key': 'test\"01\"', 'value': 'true'}]",
                            row.get("value"),
                        )

    def test_execute_ok_3(self):
        # create test jsonl
        data = [
            {"id": "123456789", "name": "A", "age": "25", "value": []},
        ]
        self._create_jsonl(data, "test_1.json")
        self._create_jsonl(data, "test_2.json")

        # set the essential attributes
        instance = JsonlToCsv()
        Helper.set_property(instance, "logger", LisboaLog.get_logger(__name__))
        Helper.set_property(instance, "src_dir", self._data_dir)
        Helper.set_property(instance, "src_pattern", "test.*.json")
        Helper.set_property(instance, "dest_dir", self._result_dir)
        Helper.set_property(instance, "after_nl", "CRLF")
        instance.execute()
        files = glob(os.path.join(self._result_dir, "*.csv"))
        assert 2 == len(files)
        for file in files:
            with open(file, mode="r", newline="") as f:
                line = f.readline()
                assert line.endswith("\r\n")

    def test_execute_ng_not_enough_key(self):
        # create test jsonl
        data = [
            {"id": "123456789", "name": "A", "age": "25"},
            {
                "id": "1234567890",
                "name": "B",
                "age": "30",
                "value": [{"key": "test_key", "value": 999}, {"key": 'test"01"', "value": "true"}],
            },
        ]
        self._create_jsonl(data, "test_1.json")
        self._create_jsonl(data, "test_2.json")

        # set the essential attributes
        instance = JsonlToCsv()
        Helper.set_property(instance, "logger", LisboaLog.get_logger(__name__))
        Helper.set_property(instance, "src_dir", self._data_dir)
        Helper.set_property(instance, "src_pattern", "test.*.json")
        Helper.set_property(instance, "dest_dir", self._result_dir)
        with pytest.raises(ValueError) as e:
            instance.execute()
        assert "dict contains fields not in fieldnames: 'value'" == str(e.value)


class TestJsonlAddKeyValue(TestJsonTransform):
    def test_execute_ok_1(self):
        # create test jsonl
        data = [
            {"id": "123456789", "name": "A", "age": "25"},
            {
                "id": "1234567890",
                "name": "B",
                "age": "30",
                "value": [{"key": "test_key", "value": 999}, {"key": 'test"01"', "value": "true"}],
            },
        ]
        self._create_jsonl(data, "test_1.json")
        self._create_jsonl(data, "test_2.json")

        # set the essential attributes
        instance = JsonlAddKeyValue()
        Helper.set_property(instance, "logger", LisboaLog.get_logger(__name__))
        Helper.set_property(instance, "src_dir", self._data_dir)
        Helper.set_property(instance, "src_pattern", "test.*.json")
        Helper.set_property(instance, "dest_dir", self._result_dir)
        Helper.set_property(instance, "pairs", {"number": 1})
        instance.execute()
        files = glob(os.path.join(self._result_dir, "*.json"))
        assert 2 == len(files)
        for file in files:
            with open(file, mode="r") as f:
                lines = f.readlines()
                s = []
                for line in lines:
                    s.append(json.loads(line))
                self.assertEqual(123456789, s[0].get("id"))
                self.assertEqual(1234567890, s[1].get("id"))
                self.assertEqual("A", s[0].get("name"))
                self.assertEqual("B", s[1].get("name"))
                self.assertEqual(25, s[0].get("age"))
                self.assertEqual(30, s[1].get("age"))
                self.assertIsNone(s[0].get("value"))
                self.assertEqual(
                    [{"key": "test_key", "value": 999}, {"key": 'test"01"', "value": "true"}],
                    s[1].get("value"),
                )
                self.assertEqual(1, s[0].get("number"))
                self.assertEqual(1, s[1].get("number"))

    def test_execute_ok_2(self):
        # create test jsonl
        data = [
            {"id": "123456789", "name": "A", "age": "25"},
            {
                "id": "1234567890",
                "name": "B",
                "age": "30",
                "value": [{"key": "test_key", "value": 999}, {"key": 'test"01"', "value": "true"}],
            },
        ]
        self._create_jsonl(data, "test_1.json")
        self._create_jsonl(data, "test_2.json")

        # set the essential attributes
        instance = JsonlAddKeyValue()
        Helper.set_property(instance, "logger", LisboaLog.get_logger(__name__))
        Helper.set_property(instance, "src_dir", self._data_dir)
        Helper.set_property(instance, "src_pattern", "test.*.json")
        Helper.set_property(instance, "dest_dir", self._result_dir)
        Helper.set_property(instance, "pairs", {"number": 1, "data": "first"})
        instance.execute()
        files = glob(os.path.join(self._result_dir, "*.json"))
        assert 2 == len(files)
        for file in files:
            with open(file, mode="r") as f:
                lines = f.readlines()
                s = []
                for line in lines:
                    s.append(json.loads(line))
                self.assertEqual(123456789, s[0].get("id"))
                self.assertEqual(1234567890, s[1].get("id"))
                self.assertEqual("A", s[0].get("name"))
                self.assertEqual("B", s[1].get("name"))
                self.assertEqual(25, s[0].get("age"))
                self.assertEqual(30, s[1].get("age"))
                self.assertIsNone(s[0].get("value"))
                self.assertEqual(
                    [{"key": "test_key", "value": 999}, {"key": 'test"01"', "value": "true"}],
                    s[1].get("value"),
                )
                self.assertEqual(1, s[0].get("number"))
                self.assertEqual(1, s[1].get("number"))
                self.assertEqual("first", s[0].get("data"))
                self.assertEqual("first", s[1].get("data"))

    def test_execute_ng_without_pairs(self):
        # create test jsonl
        data = [
            {"id": "123456789", "name": "A", "age": "25"},
            {
                "id": "1234567890",
                "name": "B",
                "age": "30",
                "value": [{"key": "test_key", "value": 999}, {"key": 'test"01"', "value": "true"}],
            },
        ]
        self._create_jsonl(data, "test_1.json")
        self._create_jsonl(data, "test_2.json")

        # set the essential attributes
        instance = JsonlAddKeyValue()
        Helper.set_property(instance, "logger", LisboaLog.get_logger(__name__))
        Helper.set_property(instance, "src_dir", self._data_dir)
        Helper.set_property(instance, "src_pattern", "test.*.json")
        Helper.set_property(instance, "dest_dir", self._result_dir)
        with pytest.raises(Exception) as e:
            instance.execute()
        assert "The essential parameter is not specified in JsonlAddKeyValue." == str(e.value)

    def test_execute_ng_pairs_not_dict(self):
        # create test jsonl
        data = [
            {"id": "123456789", "name": "A", "age": "25"},
            {
                "id": "1234567890",
                "name": "B",
                "age": "30",
                "value": [{"key": "test_key", "value": 999}, {"key": 'test"01"', "value": "true"}],
            },
        ]
        self._create_jsonl(data, "test_1.json")
        self._create_jsonl(data, "test_2.json")

        # set the essential attributes
        instance = JsonlAddKeyValue()
        Helper.set_property(instance, "logger", LisboaLog.get_logger(__name__))
        Helper.set_property(instance, "src_dir", self._data_dir)
        Helper.set_property(instance, "src_pattern", "test.*.json")
        Helper.set_property(instance, "dest_dir", self._result_dir)
        Helper.set_property(instance, "pairs", "dummy")
        with pytest.raises(InvalidParameter) as e:
            instance.execute()
        assert "argument 'pairs' only allow dict format." == str(e.value)
