#coding:utf-8

"""
ID:          issue-6485
ISSUE:       6485
TITLE:       Values greater than number of days between 01.01.0001 and 31.12.9999 (=3652058)
  can be added or subtracted from DATE
DESCRIPTION:
JIRA:        CORE-6241
FBTEST:      bugs.core_6241
"""

import pytest
from firebird.qa import *

db = db_factory()

test_script = """
    set list on;

    -- J4YI:
    -- select datediff( day from date '01.02.2020' to date '31.12.9999') from rdb$database; -- 2914603
    -- select datediff( day from date '01.01.0001' to date '01.02.2020') from rdb$database; -- 737455
    -- select datediff( day from date '01.01.0001' to date '31.12.9999') from rdb$database; -- 3652058
    -- set echo on;

    -- ################# 1. ADDITION ##################

    select date '01.02.2020' + 2914603 as EXPECTED_9999_12_31 from rdb$database; -- OK, as expected: 9999-12-31

    select date '01.02.2020' + 2914604 from rdb$database; -- OK, as expected: SQLSTATE = 22008 (value exceeds the range for valid dates)

    select date '01.02.2020' + 2147483647 from rdb$database; -- OK, as expected: SQLSTATE = 22008

    select date '01.02.2020' + 2147483648 from rdb$database; -- OK, as expected: SQLSTATE = 22008

    select date '01.02.2020' + 4294229840 from rdb$database; -- OK, as expected: SQLSTATE = 22008

    select date '01.02.2020' + 4294229841 from rdb$database; -- ISSUED WRONG RESULT: 0001-01-01; NB: 4294967296 - 4294229841 = 737455 -- days since 01.01.0001 to 01.02.2020

    select date '01.02.2020' + 9223372036854775807 from rdb$database; -- ISSUED WRONG RESULT: 2020-01-31


    -- ############### 2. SUBTRACTION #################

    select date '01.02.2020' - 737455 as EXPECTED_0001_01_01 from rdb$database; -- OK, as expected: 0001-01-01

    select date '01.02.2020' - 737456 from rdb$database; -- OK, as expected: SQLSTATE = 22008 (value exceeds the range for valid dates)

    select date '01.02.2020' - 2147483648 from rdb$database; -- OK, as expected: SQLSTATE = 22008

    select date '01.02.2020' - 4292052692 from rdb$database; -- OK, as expected: SQLSTATE = 22008

    select date '01.02.2020' - 4292052693 from rdb$database; -- ISSUED WRONG RESULT: 9999-12-31; NB: 4294967296 - 4292052693 = 2914603 -- days since 01.02.2020 to 31.12.9999

    select date '01.02.2020' - 9223372036854775807 from rdb$database; -- ISSUED WRONG RESULT: 2020-02-02

    select date '01.02.2020' + -9223372036854775808 from rdb$database; -- ISSUED WRONG RESULT: 2020-02-01

"""

act = isql_act('db', test_script)

expected_stdout = """
    EXPECTED_9999_12_31             9999-12-31
    EXPECTED_0001_01_01             0001-01-01
"""

expected_stderr = """
    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates

    Statement failed, SQLSTATE = 22008
    value exceeds the range for valid dates
"""

@pytest.mark.version('>=4.0')
def test_1(act: Action):
    act.expected_stdout = expected_stdout
    act.expected_stderr = expected_stderr
    act.execute()
    assert (act.clean_stderr == act.clean_expected_stderr and
            act.clean_stdout == act.clean_expected_stdout)