# pylint: disable=R0913
"""Integration tests for gemma API endpoints"""
import os
import unittest

from dataclasses import dataclass
from typing import Callable
from unittest import mock

from gn3.app import create_app


@dataclass
class MockRedis:
    """Mock the Redis Module"""
    redis: Callable
    hget: Callable


class GemmaAPITest(unittest.TestCase):
    """Test cases for the Gemma API"""
    def setUp(self):
        self.app = create_app({
            "GENODIR":
            os.path.abspath(
                os.path.join(os.path.dirname(__file__), "test_data/")),
            "REDIS_JOB_QUEUE":
            "GN3::job-queue",
            "GEMMA_WRAPPER_CMD":
            "gemma-wrapper"
        }).test_client()

    @mock.patch("gn3.api.gemma.run_cmd")
    def test_get_version(self, mock_run_cmd):
        """Test that the correct response is returned"""
        mock_run_cmd.return_value = {"status": 0, "output": "v1.9"}
        response = self.app.get("/api/gemma/version", follow_redirects=True)
        self.assertEqual(response.get_json(), {"status": 0, "output": "v1.9"})
        self.assertEqual(response.status_code, 200)

    @mock.patch("gn3.api.gemma.redis.Redis")
    @mock.patch("gn3.api.gemma.queue_cmd")
    @mock.patch("gn3.api.gemma.generate_gemma_computation_cmd")
    def test_run_gemma_no_loco(self, mock_gemma_computation_cmd,
                               mock_queue_cmd, mock_redis):
        """Test that gemma composes the command correctly without loco"""
        _redis_conn = MockRedis(redis=mock.MagicMock(), hget=mock.MagicMock())
        mock_redis.return_value = _redis_conn
        mock_gemma_computation_cmd.side_effect = [
            ("gemma-wrapper --json -- "
             "-g genofile.txt -p "
             "test.txt -a genofile_snps.txt "
             "-gk > /tmp/gn2/"
             "bxd_K_gUFhGu4rLG7k+CXLPk1OUg.txt"),
            ("gemma-wrapper --json --input /tmp/gn2/"
             "bxd_K_gUFhGu4rLG7k+CXLPk1OUg.txt -- "
             "-a genofile_snps.txt -lmm 9 "
             "-g genofile.txt -p "
             "test.txt -a genofile_snps.txt "
             "-gk > /tmp/gn2/"
             "bxd_GWA_gUFhGu4rLG7k+CXLPk1OUg.txt")
        ]
        mock_queue_cmd.return_value = "my-unique-id"
        response = self.app.post("/api/gemma/k-gwa-computation",
                                 json={
                                     "trait_filename": "BXD.txt",
                                     "geno_filename": "BXD_geno",
                                     "values": ["X", "N/A", "X"],
                                     "dataset_groupname": "BXD",
                                     "trait_name": "Height",
                                     "email": "me@me.com",
                                     "dataset_name": "BXD"
                                 })
        mock_queue_cmd.assert_has_calls([
            mock.call(conn=_redis_conn,
                      email="me@me.com",
                      job_queue="GN3::job-queue",
                      cmd=("gemma-wrapper --json -- -g "
                           "genofile.txt -p test.txt "
                           "-a genofile_snps.txt -gk > "
                           "/tmp/gn2/bxd_K_gUFhGu4rLG7k+CXLPk1OUg.txt "
                           "&& gemma-wrapper --json --input "
                           "/tmp/gn2/bxd_K_gUFhGu4rLG7k+CXLPk1OUg.txt"
                           " -- -a genofile_snps.txt -lmm 9 -g "
                           "genofile.txt -p test.txt "
                           "-a genofile_snps.txt "
                           "-gk > "
                           "/tmp/gn2/"
                           "bxd_GWA_gUFhGu4rLG7k+CXLPk1OUg.txt"))
        ])
        # mock_pheno_txt_file.return_value = "/tmp/gn2/BXD_6OBEPW."
        self.assertEqual(
            response.get_json(), {
                "unique_id": 'my-unique-id',
                "status": "queued",
                "output_file": "BXD_GWA_WzxVcfhKAn4fJnSWpsBq0g.txt"
            })

    @mock.patch("gn3.api.gemma.redis.Redis")
    @mock.patch("gn3.api.gemma.queue_cmd")
    def test_run_gemma_with_loco(self, mock_queue_cmd, mock_redis):
        """Test that gemma composes the command correctly with loco"""
        _redis_conn = MockRedis(redis=mock.MagicMock(), hget=mock.MagicMock())
        mock_redis.return_value = _redis_conn
        mock_queue_cmd.return_value = "my-unique-id"
        response = self.app.post("/api/gemma/k-gwa-computation",
                                 json={
                                     "trait_filename":
                                     os.path.abspath(
                                         os.path.join(
                                             os.path.dirname(__file__),
                                             "test_data/")),
                                     "geno_filename":
                                     "BXD_geno.txt.gz",
                                     "values": ["X", "N/A", "X"],
                                     "dataset_groupname":
                                     "BXD",
                                     "trait_name":
                                     "Height",
                                     "email":
                                     "me@me.com",
                                     "dataset_name":
                                     "BXD",
                                     "loco":
                                     "1,2,3,4,5,6"
                                 })
        mock_queue_cmd.called_with(
            conn=_redis_conn,
            email="me@me.com",
            job_queue="GN3::job-queue",
            cmd=("gemma-wrapper --json -- -g "
                 "genofile.txt -p test.txt "
                 "-a genofile_snps.txt -gk > "
                 "/tmp/gn2/bxd_K_gUFhGu4rLG7k+CXLPk1OUg.txt "
                 "&& gemma-wrapper --json --input "
                 "/tmp/gn2/bxd_K_gUFhGu4rLG7k+CXLPk1OUg.txt"
                 " -- -a genofile_snps.txt -lmm 9 -g "
                 "genofile.txt -p test.txt "
                 "-a genofile_snps.txt "
                 "-gk > "
                 "/tmp/gn2/"
                 "bxd_GWA_gUFhGu4rLG7k+CXLPk1OUg.txt"))
        self.assertEqual(
            response.get_json(), {
                "unique_id": 'my-unique-id',
                "status": "queued",
                "output_file": "BXD_GWA_WzxVcfhKAn4fJnSWpsBq0g.txt"
            })

    @mock.patch("gn3.api.gemma.redis.Redis")
    def test_check_cmd_status(self, mock_redis):
        """Test that you can check the status of a given command"""
        mock_hget = mock.MagicMock()
        mock_hget.return_value = b"test"
        _redis_conn = MockRedis(redis=mock.MagicMock(), hget=mock_hget)
        mock_redis.return_value = _redis_conn
        response = self.app.get(("/api/gemma/status/"
                                 "cmd%3A%3A2021-02-1217-3224-3224-1234"),
                                follow_redirects=True)
        mock_hget.assert_called_once_with(
            name="cmd::2021-02-1217-3224-3224-1234", key="status")
        self.assertEqual(response.get_json(), {"status": "test"})

    @mock.patch("gn3.api.gemma.queue_cmd")
    @mock.patch("gn3.api.gemma.get_hash_of_files")
    @mock.patch("gn3.api.gemma.jsonfile_to_dict")
    @mock.patch("gn3.api.gemma.do_paths_exist")
    @mock.patch("gn3.api.gemma.redis.Redis")
    def test_k_compute(self, mock_redis, mock_path_exist, mock_json, mock_hash,
                       mock_queue_cmd):
        """Test /gemma/k-compute/<token>"""
        mock_path_exist.return_value, _redis_conn = True, mock.MagicMock()
        mock_redis.return_value = _redis_conn
        mock_queue_cmd.return_value = "my-unique-id"
        mock_json.return_value = {
            "geno": "genofile.txt",
            "pheno": "phenofile.txt",
            "snps": "snpfile.txt",
        }
        mock_hash.return_value = "hash"
        response = self.app.post("/api/gemma/k-compute/test-data")
        mock_queue_cmd.assert_called_once_with(
            conn=_redis_conn,
            email=None,
            job_queue='GN3::job-queue',
            cmd=("gemma-wrapper --json -- "
                 "-g /tmp/test-data/genofile.txt "
                 "-p /tmp/test-data/phenofile.txt "
                 "-a /tmp/test-data/snpfile.txt "
                 "-gk > /tmp/test-data/hash-k-output.json"))
        self.assertEqual(response.get_json(), {
            "output_file": "hash-k-output.json",
            "status": "queued",
            "unique_id": "my-unique-id"
        })

    @mock.patch("gn3.api.gemma.queue_cmd")
    @mock.patch("gn3.api.gemma.get_hash_of_files")
    @mock.patch("gn3.api.gemma.jsonfile_to_dict")
    @mock.patch("gn3.api.gemma.do_paths_exist")
    @mock.patch("gn3.api.gemma.redis.Redis")
    def test_k_compute_loco(self, mock_redis, mock_path_exist,
                            mock_json, mock_hash,
                            mock_queue_cmd):
        """Test /gemma/k-compute/loco/<chromosomes>/<token>"""
        mock_path_exist.return_value, _redis_conn = True, mock.MagicMock()
        mock_redis.return_value = _redis_conn
        mock_queue_cmd.return_value = "my-unique-id"
        mock_json.return_value = {
            "geno": "genofile.txt",
            "pheno": "phenofile.txt",
            "snps": "snpfile.txt",
        }
        mock_hash.return_value = "hash"
        response = self.app.post(("/api/gemma/k-compute/loco/"
                                  "1%2C2%2C3%2C4%2C5%2C6/test-data"))
        mock_queue_cmd.assert_called_once_with(
            conn=_redis_conn,
            email=None,
            job_queue='GN3::job-queue',
            cmd=("gemma-wrapper --json --loco "
                 "--input 1,2,3,4,5,6 -- "
                 "-g /tmp/test-data/genofile.txt "
                 "-p /tmp/test-data/phenofile.txt "
                 "-a /tmp/test-data/snpfile.txt "
                 "-gk > /tmp/test-data/hash-k-output.json"))
        self.assertEqual(response.get_json(), {
            "output_file": "hash-k-output.json",
            "status": "queued",
            "unique_id": "my-unique-id"
        })

    @mock.patch("gn3.api.gemma.queue_cmd")
    @mock.patch("gn3.api.gemma.get_hash_of_files")
    @mock.patch("gn3.api.gemma.jsonfile_to_dict")
    @mock.patch("gn3.api.gemma.do_paths_exist")
    @mock.patch("gn3.api.gemma.redis.Redis")
    def test_gwa_compute(self, mock_redis, mock_path_exist,
                         mock_json, mock_hash,
                         mock_queue_cmd):
        """Test /gemma/gwa-compute/<k-inputfile>/<token>"""
        mock_path_exist.return_value, _redis_conn = True, mock.MagicMock()
        mock_redis.return_value = _redis_conn
        mock_queue_cmd.return_value = "my-unique-id"
        mock_json.return_value = {
            "geno": "genofile.txt",
            "pheno": "phenofile.txt",
            "snps": "snpfile.txt",
        }
        mock_hash.return_value = "hash"
        response = self.app.post(("/api/gemma/gwa-compute/hash-k-output.json/"
                                  "my-token"))
        mock_hash.assert_called_once_with(['/tmp/my-token/genofile.txt',
                                           '/tmp/my-token/phenofile.txt',
                                           '/tmp/my-token/snpfile.txt'])
        mock_queue_cmd.assert_called_once_with(
            conn=_redis_conn,
            email=None,
            job_queue='GN3::job-queue',
            cmd=("gemma-wrapper --json "
                 "--input /tmp/my-token/hash-k-output.json"
                 " -- -g /tmp/my-token/genofile.txt "
                 "-p /tmp/my-token/phenofile.txt "
                 "-a /tmp/my-token/snpfile.txt "
                 "-lmm 9 gk > /tmp/my-token/hash-gwa-output.json"))
        self.assertEqual(response.get_json(), {
            "unique_id": "my-unique-id",
            "status": "queued",
            "output_file": "hash-gwa-output.json"
        })

    @mock.patch("gn3.api.gemma.queue_cmd")
    @mock.patch("gn3.api.gemma.get_hash_of_files")
    @mock.patch("gn3.api.gemma.jsonfile_to_dict")
    @mock.patch("gn3.api.gemma.do_paths_exist")
    @mock.patch("gn3.api.gemma.redis.Redis")
    def test_gwa_compute_with_covars(self, mock_redis,
                                     mock_path_exist,
                                     mock_json, mock_hash,
                                     mock_queue_cmd):
        """Test /gemma/gwa-compute/covars/<k-inputfile>/<token>"""
        mock_path_exist.return_value, _redis_conn = True, mock.MagicMock()
        mock_redis.return_value = _redis_conn
        mock_queue_cmd.return_value = "my-unique-id"
        mock_path_exist.return_value = True
        mock_json.return_value = {
            "geno": "genofile.txt",
            "pheno": "phenofile.txt",
            "snps": "snpfile.txt",
            "covar": "covarfile.txt",
        }
        mock_hash.return_value = "hash"
        response = self.app.post(("/api/gemma/gwa-compute/"
                                  "covars/hash-k-output.json/"
                                  "my-token"))
        mock_hash.assert_called_once_with(['/tmp/my-token/genofile.txt',
                                           '/tmp/my-token/phenofile.txt',
                                           '/tmp/my-token/snpfile.txt',
                                           '/tmp/my-token/covarfile.txt'])
        mock_queue_cmd.assert_called_once_with(
            conn=_redis_conn,
            email=None,
            job_queue="GN3::job-queue",
            cmd=("gemma-wrapper --json --input "
                 "/tmp/my-token/hash-k-output.json -- "
                 "-g /tmp/my-token/genofile.txt "
                 "-p /tmp/my-token/phenofile.txt "
                 "-a /tmp/my-token/snpfile.txt "
                 "-c /tmp/my-token/covarfile.txt -lmm 9 "
                 "-gk > /tmp/my-token/hash-gwa-output.json"))
        self.assertEqual(response.get_json(), {
            "unique_id": "my-unique-id",
            "status": "queued",
            "output_file": "hash-gwa-output.json"
        })

    @mock.patch("gn3.api.gemma.queue_cmd")
    @mock.patch("gn3.api.gemma.get_hash_of_files")
    @mock.patch("gn3.api.gemma.jsonfile_to_dict")
    @mock.patch("gn3.api.gemma.do_paths_exist")
    @mock.patch("gn3.api.gemma.redis.Redis")
    def test_gwa_compute_with_loco_only(self, mock_redis,
                                        mock_path_exist,
                                        mock_json, mock_hash,
                                        mock_queue_cmd):
        """Test /gemma/gwa-compute/<k-inputfile>/loco/maf/<maf>/<token>

        """
        mock_path_exist.return_value, _redis_conn = True, mock.MagicMock()
        mock_redis.return_value = _redis_conn
        mock_queue_cmd.return_value = "my-unique-id"
        mock_json.return_value = {
            "geno": "genofile.txt",
            "pheno": "phenofile.txt",
            "snps": "snpfile.txt",
        }
        mock_hash.return_value = "hash"
        response = self.app.post(("/api/gemma/gwa-compute/"
                                  "hash-k-output.json/loco/"
                                  "maf/21/my-token"))
        mock_hash.assert_called_once_with(['/tmp/my-token/genofile.txt',
                                           '/tmp/my-token/phenofile.txt',
                                           '/tmp/my-token/snpfile.txt'])
        mock_queue_cmd.assert_called_once_with(
            conn=_redis_conn,
            email=None,
            job_queue='GN3::job-queue',
            cmd=("gemma-wrapper --json --loco --input "
                 "/tmp/my-token/hash-k-output.json -- "
                 "-g /tmp/my-token/genofile.txt "
                 "-p /tmp/my-token/phenofile.txt "
                 "-a /tmp/my-token/snpfile.txt "
                 "-lmm 9 -maf 21.0 "
                 "-gk > /tmp/my-token/hash-gwa-output.json"))
        self.assertEqual(response.get_json(), {
            "unique_id": "my-unique-id",
            "status": "queued",
            "output_file": "hash-gwa-output.json"
        })

    @mock.patch("gn3.api.gemma.queue_cmd")
    @mock.patch("gn3.api.gemma.get_hash_of_files")
    @mock.patch("gn3.api.gemma.jsonfile_to_dict")
    @mock.patch("gn3.api.gemma.do_paths_exist")
    @mock.patch("gn3.api.gemma.redis.Redis")
    def test_gwa_compute_with_loco_covars(self, mock_redis,
                                          mock_path_exist,
                                          mock_json, mock_hash,
                                          mock_queue_cmd):
        """Test /gemma/gwa-compute/<k-inputfile>/loco/covariates/maf/<maf><token>

        """
        mock_path_exist.return_value, _redis_conn = True, mock.MagicMock()
        mock_redis.return_value = _redis_conn
        mock_queue_cmd.return_value = "my-unique-id"
        mock_json.return_value = {
            "geno": "genofile.txt",
            "pheno": "phenofile.txt",
            "snps": "snpfile.txt",
            "covar": "covarfile.txt",
        }
        mock_hash.return_value = "hash"
        response = self.app.post(("/api/gemma/gwa-compute/"
                                  "hash-k-output.json/loco/"
                                  "covariates/maf/21/my-token"))
        mock_hash.assert_called_once_with(['/tmp/my-token/genofile.txt',
                                           '/tmp/my-token/phenofile.txt',
                                           '/tmp/my-token/snpfile.txt',
                                           "/tmp/my-token/covarfile.txt"
                                           ])
        mock_queue_cmd.assert_called_once_with(
            conn=_redis_conn,
            email=None,
            job_queue='GN3::job-queue',
            cmd=("gemma-wrapper --json --loco --input "
                 "/tmp/my-token/hash-k-output.json -- "
                 "-g /tmp/my-token/genofile.txt "
                 "-p /tmp/my-token/phenofile.txt "
                 "-a /tmp/my-token/snpfile.txt "
                 "-c /tmp/my-token/covarfile.txt "
                 "-lmm 9 -maf 21.0 "
                 "-gk > /tmp/my-token/hash-gwa-output.json"))
        self.assertEqual(response.get_json(), {
            "unique_id": "my-unique-id",
            "status": "queued",
            "output_file": "hash-gwa-output.json"
        })