# Copyright 2022 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

import datetime

from google.protobuf import timestamp_pb2

from PB.go.chromium.org.luci.buildbucket.proto import (
    build as build_pb2,
    builder_common as builder_common_pb2,
    common as common_pb2,
)
from PB.go.chromium.org.luci.led.job import job as job_pb2
from PB.recipe_modules.flutter.recipe_testing import options as options_pb2
from recipe_engine import recipe_test_api

ONE_DAY = int(datetime.timedelta(days=1).total_seconds())
MAX_BUILD_AGE_SECONDS = int(datetime.timedelta(days=28).total_seconds())

DEFAULT_COMMIT_QUEUE_CFGS = {
    "default":
        """
    submit_options: {
      max_burst: 4
      burst_delay: {
        seconds: 480
      }
    }

    config_groups: {
      gerrit: {
        url: "https://fuchsia-review.googlesource.com"
        projects: {
          name: "cobalt"
          ref_regexp: "refs/heads/.+"
        }
      }

      verifiers: {
        gerrit_cq_ability: {
          committer_list: "project-fuchsia-committers"
          dry_run_access_list: "project-fuchsia-tryjob-access"
        }
        tryjob: {
          builders: {
            name: "fuchsia/try/cobalt-x64-linux"
          }
        }
      }
    }

    config_groups: {
      gerrit: {
        url: "https://fuchsia-review.googlesource.com"
        projects: {
          name: "docs"
          ref_regexp: "refs/heads/.+"
        }
      }

      verifiers: {
        gerrit_cq_ability: {
          committer_list: "project-fuchsia-committers"
          dry_run_access_list: "project-fuchsia-tryjob-access"
        }
        tryjob: {
          builders: {
            name: "fuchsia/try/doc-checker"
            experiment_percentage: 100
          }
          builders: {
            name: "fuchsia/try/secret-tryjob"
            result_visibility: COMMENT_LEVEL_RESTRICTED
          }
        }
      }
    }

    config_groups: {
      gerrit: {
        url: "https://fuchsia-review.googlesource.com"
        projects: {
          name: "fuchsia"
          ref_regexp: "refs/heads/.+"
        }
      }
      verifiers: {
        gerrit_cq_ability: {
          committer_list: "project-fuchsia-committers"
          dry_run_access_list: "project-fuchsia-tryjob-access"
        }
        tree_status: {
          url: "https://fuchsia-stem-status.appspot.com"
        }

        tryjob: {
          builders: {
            name: "fuchsia/try/core.arm64-debug"
          }
          builders: {
            name: "fuchsia/try/core.x64-debug"
          }
        }
      }
    }
    """,
    "recipes-only":
        """
    submit_options: {
      max_burst: 4
      burst_delay: {
        seconds: 480
      }
    }

    config_groups: {
      gerrit: {
        url: "https://fuchsia-review.googlesource.com"
        projects: {
          name: "cobalt"
          ref_regexp: "refs/heads/.+"
        }
      }

      verifiers: {
        gerrit_cq_ability: {
          committer_list: "project-fuchsia-committers"
          dry_run_access_list: "project-fuchsia-tryjob-access"
        }
        tryjob: {
          builders: {
            name: "fuchsia/try/recipes"
          }
        }
      }
    }
    """,
    "only-fuchsia-debug":
        """
    submit_options: {
      max_burst: 4
      burst_delay: {
        seconds: 480
      }
    }

    config_groups: {
      gerrit: {
        url: "https://fuchsia-review.googlesource.com"
        projects: {
          name: "fuchsia"
          ref_regexp: "refs/heads/.+"
        }
      }
      verifiers: {
        gerrit_cq_ability: {
          committer_list: "project-fuchsia-committers"
          dry_run_access_list: "project-fuchsia-tryjob-access"
        }
        tree_status: {
          url: "https://fuchsia-stem-status.appspot.com"
        }

        tryjob: {
          builders: {
            name: "fuchsia/try/core.arm64-debug"
          }
          builders: {
            name: "fuchsia/try/core.x64-debug"
          }
        }
      }
    }
    """,
    "includable_only":
        """
    submit_options: {
      max_burst: 4
      burst_delay: {
        seconds: 480
      }
    }

    config_groups: {
      gerrit: {
        url: "https:xx//fuchsia-review.googlesource.com"
        projects: {
          name: "fuchsia"
          ref_regexp: "refs/heads/.+"
        }
      }
      verifiers: {
        gerrit_cq_ability: {
          committer_list: "project-fuchsia-committers"
          dry_run_access_list: "project-fuchsia-tryjob-access"
        }
        tree_status: {
          url: "https://fuchsia-stem-status.appspot.com"
        }

        tryjob: {
          builders: {
            name: "fuchsia/try/core.arm64-debug"
            includable_only: true
          }
        }
      }
    }
    """,
    "mode_allowlist":
        """
    config_groups: {
      verifiers: {
        tryjob: {
          builders: {
            name: "fuchsia/tricium/tricium"
            mode_allowlist: "ANALYZER_RUN"
          }
        }
      }
    }
    """,
    "location_filters":
        """
    config_groups: {
      verifiers: {
        tryjob: {
          builders: {
            name: "fuchsia/foo/foo"
            location_filters {
              path_regexp: "only-run-on-this-path"
            }
          }
          builders: {
            name: "fuchsia/foo/bar"
            location_filters {
              path_regexp: "don't-run-on-this-path"
              exclude: true
            }
          }
        }
      }
    }
    """,
    "empty":
        """
    submit_options: {
      max_burst: 4
      burst_delay: {
        seconds: 480
      }
    }

    config_groups: {
      gerrit: {
        url: "https://fuchsia-review.googlesource.com"
        projects: {
          name: "fuchsia"
          ref_regexp: "refs/heads/.+"
        }
      }
      verifiers: {
        gerrit_cq_ability: {
          committer_list: "project-fuchsia-committers"
          dry_run_access_list: "project-fuchsia-tryjob-access"
        }
        tree_status: {
          url: "https://fuchsia-stem-status.appspot.com"
        }
      }
    }
    """,
}

class FlutterRecipeTestingTestApi(recipe_test_api.RecipeTestApi):

  def project(
      self,
      name="flutter",
      include_unrestricted=True,
      include_restricted=False,
      cq_config_name="commit-queue.cfg",
      excluded_buckets=(),
  ):
    return options_pb2.Project(
        name=name,
        include_unrestricted=include_unrestricted,
        include_restricted=include_restricted,
        cq_config_name=cq_config_name,
        excluded_buckets=excluded_buckets,
    )

  def options(self, projects=(), use_buildbucket=False, **kwargs):
    if not projects:
      projects = [self.project()]
    return self.m.properties(
        recipe_testing_options=options_pb2.Options(
            projects=list(projects), use_buildbucket=use_buildbucket, **kwargs
        )
    )

  def build_data(
      self,
      name,
      recipe,
      age_seconds=ONE_DAY,
      cl_cached=False,
      skip=False,
      num_log_entries=1,
      project="flutter",
      bucket="try",
      # used for both buildbucket build id and swarming task id.
      fake_id=100,
      using_led=True,
      exe_cipd_version=None
  ):
    # This time is taken from the time recipe_engine module. I see no way
    # of getting it programmatically.
    curr_time = 1337000000
    end_time = curr_time - age_seconds

    orig_build = build_pb2.Build(id=fake_id, status=common_pb2.SUCCESS)
    orig_build.end_time.seconds = end_time
    orig_build.builder.project = project
    orig_build.builder.bucket = bucket
    orig_build.builder.builder = name
    orig_build.input.properties["recipe"] = recipe
    cl = orig_build.input.gerrit_changes.add()
    cl.host = "flutter-review.googlesource.com"
    cl.project = project

    if exe_cipd_version:
      orig_build.input.properties["exe_cipd_version"] = exe_cipd_version

    result = self.m.buildbucket.simulated_search_results([
        orig_build
    ], "get builders.{}.buildbucket.search".format(name))

    if skip or age_seconds > MAX_BUILD_AGE_SECONDS:
      return result

    job = job_pb2.Definition()
    build = self.m.buildbucket.ci_build_message(
        priority=34500,
        project=project,
        bucket=bucket,
        builder=name,
        on_backend=True
    )
    build.input.properties["recipe"] = recipe

    # Don't inject test data for led steps when not using led, i.e. using
    # the Buildbucket scheduling codepath.
    if not using_led:
      return result

    # It's unrealistic for the get-build response to have a task ID set,
    # but the only way of mocking the task ID returned by `led launch` is
    # to set the task ID on the input to `led launch`, which, for recipe
    # testing, is the `led get-build` response.
    build.infra.backend.task.id.id = str(fake_id)
    job.buildbucket.bbagent_args.build.CopyFrom(build)
    result += self.m.led.mock_get_build(
        job,
        fake_id,
    )

    if recipe != "recipes" and not cl_cached:
      result += self.m.gitiles.log(
          "get builders.{}.log {}".format(name, cl.project),
          "A",
          n=num_log_entries,
      )

    return result

  def no_build(self, name):
    return self.m.buildbucket.simulated_search_results(
        [], "get builders.{}.buildbucket.search".format(name)
    )

  def affected_recipes_data(
      self,
      affected_recipes,
      recipe_files=None,
      changed_files=None,
      error=None,
      invalid_recipes=(),
      step_name="get_affected_recipes.recipes-analyze",
  ):
    if not recipe_files:
      recipe_files = ["foo", "flutter.py", "recipes.py", "sdk.expected"]
    res = self.step_data(
        "get_affected_recipes.ls-recipes",
        stdout=self.m.raw_io.output_text(
            "".join("{}\n".format(x) for x in recipe_files)
        ),
    )

    if not changed_files:
      changed_files = [
          "recipes/flutter.py",
          "recipes/foo",
          "recipes/non_expected_json_file.json",
          "recipe_modules/foo/examples/full.expected/bar.json",
          "recipe_modules/foo/examples/full.py",
          "recipe_modules/foo/test_api.py",
      ]
    res += self.m.git.get_changed_files(
        "get_affected_recipes.git diff-tree",
        changed_files,
    )

    output = {
        "recipes": list(affected_recipes),
        "error": error or "",
        "invalidRecipes": list(invalid_recipes),
    }
    retcode = -1 if error else 0
    res += self.step_data(
        step_name, self.m.json.output(output), retcode=retcode
    )

    return res

  def existing_green_tryjobs(self, tryjobs):
    search_results = []
    for builder_name in tryjobs:
      project, bucket, builder = builder_name.split("/")
      search_results.append(
          build_pb2.Build(
              builder=builder_common_pb2.BuilderID(
                  project=project,
                  bucket=bucket,
                  builder=builder,
              ),
              create_time=timestamp_pb2.Timestamp(seconds=1527292217),
          )
      )
    return self.m.buildbucket.simulated_search_results(
        search_results,
        step_name="get builders.get green tryjobs",
    )

  def commit_queue_config_data(
      self, project, data="default", config_name="commit-queue.cfg"
  ):
    data = DEFAULT_COMMIT_QUEUE_CFGS.get(data, data)
    return self.m.luci_config.mock_config(project, config_name, data)