#!/usr/bin/env python3
# Copyright (C) 2023 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License a
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from python.generators.diff_tests.testing import Path, DataPath, Metric
from python.generators.diff_tests.testing import Csv, Json, TextProto
from python.generators.diff_tests.testing import DiffTestBlueprint
from python.generators.diff_tests.testing import DiffTestModule


class DiffTestModule_SpanJoin(DiffTestModule):

  def test_span_outer_join(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query=Path('span_outer_join_test.sql'),
        out=Path('span_outer_join.out'))

  def test_span_outer_join_empty(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

INSERT INTO t1(ts, dur, part)
VALUES (500, 100, 10);


CREATE VIRTUAL TABLE sp USING span_outer_join(t1 PARTITIONED part,
                                              t2 PARTITIONED part);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur","part"
500,100,10
"""))

  def test_span_outer_join_unpartitioned_empty(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;


CREATE VIRTUAL TABLE sp USING span_outer_join(t1, t2);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur"
"""))

  def test_span_outer_join_unpartitioned_left_empty(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;

INSERT INTO t2(ts, dur)
VALUES
(100, 400),
(500, 50),
(600, 100);

CREATE VIRTUAL TABLE sp USING span_outer_join(t1, t2);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur"
100,400
500,50
600,100
"""))

  def test_span_outer_join_unpartitioned_right_empty(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;

INSERT INTO t1(ts, dur)
VALUES
(100, 400),
(500, 50),
(600, 100);

CREATE VIRTUAL TABLE sp USING span_outer_join(t1, t2);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur"
100,400
500,50
600,100
"""))

  def test_span_outer_join_mixed(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query=Path('span_outer_join_mixed_test.sql'),
        out=Path('span_outer_join_mixed.out'))

  def test_span_outer_join_mixed_empty(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;


CREATE VIRTUAL TABLE sp USING span_outer_join(t1 PARTITIONED part, t2);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur","part"
"""))

  def test_span_outer_join_mixed_left_empty(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;

INSERT INTO t2(ts, dur)
VALUES
(100, 400),
(500, 50),
(600, 100);

CREATE VIRTUAL TABLE sp USING span_outer_join(t1 PARTITIONED part, t2);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur","part"
"""))

  def test_span_outer_join_mixed_left_empty_rev(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;

INSERT INTO t1(ts, dur, part)
VALUES
(100, 400, 0),
(100, 50, 1),
(600, 100, 1);

CREATE VIRTUAL TABLE sp USING span_outer_join(t2, t1 PARTITIONED part);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur","part"
100,400,0
100,50,1
600,100,1
"""))

  def test_span_outer_join_mixed_right_empty(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  b BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;

INSERT INTO t1(ts, dur, part)
VALUES
(100, 400, 0),
(100, 50, 1),
(600, 100, 1);

CREATE VIRTUAL TABLE sp USING span_outer_join(t1 PARTITIONED part, t2);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur","part","b"
100,400,0,"[NULL]"
100,50,1,"[NULL]"
600,100,1,"[NULL]"
"""))

  def test_span_outer_join_mixed_right_empty_rev(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  b BIGINT,
  PRIMARY KEY (ts)
) WITHOUT ROWID;

INSERT INTO t2(ts, dur)
VALUES
(100, 400),
(500, 50),
(600, 100);

CREATE VIRTUAL TABLE sp USING span_outer_join(t2, t1 PARTITIONED part);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur","part","b"
"""))

  def test_span_outer_join_mixed_2(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query=Path('span_outer_join_mixed_test.sql'),
        out=Path('span_outer_join_mixed.out'))

  def test_span_left_join(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query=Path('span_left_join_test.sql'),
        out=Path('span_left_join.out'))

  def test_span_left_join_unpartitioned(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query=Path('span_left_join_unpartitioned_test.sql'),
        out=Path('span_left_join_unpartitioned.out'))

  def test_span_left_join_left_unpartitioned(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query=Path('span_left_join_left_unpartitioned_test.sql'),
        out=Path('span_left_join_left_unpartitioned.out'))

  def test_span_left_join_left_partitioned(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query=Path('span_left_join_left_partitioned_test.sql'),
        out=Path('span_left_join_left_partitioned.out'))

  def test_span_left_join_empty_right(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

INSERT INTO t1(ts, dur, part)
VALUES
(500, 500, 100);

CREATE VIRTUAL TABLE sp USING span_left_join(t1 PARTITIONED part,
                                             t2 PARTITIONED part);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur","part"
500,500,100
"""))

  def test_span_left_join_unordered_android_sched_and_ps(self):
    return DiffTestBlueprint(
        trace=Path('../common/synth_1.py'),
        query="""
CREATE TABLE t1(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

CREATE TABLE t2(
  ts BIGINT,
  dur BIGINT,
  part BIGINT,
  PRIMARY KEY (part, ts)
) WITHOUT ROWID;

INSERT INTO t1(ts, dur, part)
VALUES (500, 100, 10);

INSERT INTO t2(ts, dur, part)
VALUES (500, 100, 5);

CREATE VIRTUAL TABLE sp USING span_left_join(t1 PARTITIONED part,
                                             t2 PARTITIONED part);

SELECT * FROM sp;
""",
        out=Csv("""
"ts","dur","part"
500,100,10
"""))