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# flake8: noqa
import pkg_resources
import setoptconf as soc

from prospector.config.datatype import OutputChoice
from prospector.formatters import FORMATTERS
from prospector.tools import DEFAULT_TOOLS, TOOLS

__all__ = ("build_manager",)

_VERSION = pkg_resources.get_distribution("prospector").version


def build_manager():
    manager = soc.ConfigurationManager("prospector")

    manager.add(soc.BooleanSetting("zero_exit", default=False))

    manager.add(soc.BooleanSetting("autodetect", default=True))
    manager.add(soc.ListSetting("uses", soc.String, default=[]))

    manager.add(soc.BooleanSetting("blending", default=True))

    manager.add(soc.BooleanSetting("doc_warnings", default=None))
    manager.add(soc.BooleanSetting("test_warnings", default=None))
    manager.add(soc.BooleanSetting("no_style_warnings", default=None))
    manager.add(soc.BooleanSetting("member_warnings", default=None))
    manager.add(soc.BooleanSetting("full_pep8", default=None))
    manager.add(soc.IntegerSetting("max_line_length", default=None))

    manager.add(soc.BooleanSetting("messages_only", default=False))
    manager.add(soc.BooleanSetting("summary_only", default=False))
    manager.add(soc.BooleanSetting("quiet", default=False))
    manager.add(
        soc.ListSetting(
            "output_format",
            OutputChoice(sorted(FORMATTERS.keys())),
            default=None,
        )
    )
    manager.add(soc.BooleanSetting("absolute_paths", default=False))

    manager.add(
        soc.ListSetting(
            "tools",
            soc.Choice(sorted(TOOLS.keys())),
            default=None,
        )
    )
    manager.add(soc.ListSetting("with_tools", soc.String, default=[]))
    manager.add(soc.ListSetting("without_tools", soc.String, default=[]))
    manager.add(soc.ListSetting("profiles", soc.String, default=[]))
    manager.add(soc.ListSetting("profile_path", soc.String, default=[]))
    manager.add(
        soc.ChoiceSetting(
            "strictness",
            ["veryhigh", "high", "medium", "low", "verylow"],
            default=None,
        )
    )
    manager.add(soc.BooleanSetting("show_profile", default=False))

    manager.add(soc.BooleanSetting("no_external_config", default=False))
    manager.add(soc.BooleanSetting("legacy_tool_names", default=False))
    manager.add(soc.StringSetting("pylint_config_file", default=None))

    manager.add(soc.StringSetting("path", default=None))

    manager.add(soc.ListSetting("ignore_patterns", soc.String, default=[]))
    manager.add(soc.ListSetting("ignore_paths", soc.String, default=[]))

    manager.add(soc.BooleanSetting("die_on_tool_error", default=False))
    manager.add(soc.BooleanSetting("include_tool_stdout", default=False))
    manager.add(soc.BooleanSetting("direct_tool_stdout", default=False))

    return manager


def build_default_sources():
    sources = [
        build_command_line_source(),
        soc.EnvironmentVariableSource(),
        soc.ConfigFileSource(
            (
                ".prospectorrc",
                "setup.cfg",
                "tox.ini",
            )
        ),
        soc.ConfigFileSource(
            (
                soc.ConfigDirectory(".prospectorrc"),
                soc.HomeDirectory(".prospectorrc"),
            )
        ),
    ]

    return sources


def build_command_line_source(prog=None, description="Performs static analysis of Python code"):
    parser_options = {}
    if prog is not None:
        parser_options["prog"] = prog
    if description is not None:
        parser_options["description"] = description

    options = {
        "zero_exit": {
            "flags": ["-0", "--zero-exit"],
            "help": "Prospector will exit with a code of 1 (one) if any messages"
            " are found. This makes automation easier; if there are any"
            " problems at all, the exit code is non-zero. However this behaviour"
            " is not always desirable, so if this flag is set, prospector will"
            " exit with a code of 0 if it ran successfully, and non-zero if"
            " it failed to run.",
        },
        "autodetect": {
            "flags": ["-A", "--no-autodetect"],
            "help": "Turn off auto-detection of frameworks and libraries used."
            " By default, autodetection will be used. To specify"
            " manually, see the --uses option.",
        },
        "uses": {
            "flags": ["-u", "--uses"],
            "help": "A list of one or more libraries or frameworks that the"
            " project uses. Possible values are: django, celery, flask. This will be"
            " autodetected by default, but if autodetection doesn't"
            " work, manually specify them using this flag.",
        },
        "blending": {
            "flags": ["-B", "--no-blending"],
            "help": "Turn off blending of messages. Prospector will merge"
            " together messages from different tools if they represent"
            " the same error. Use this option to see all unmerged"
            " messages.",
        },
        "doc_warnings": {
            "flags": ["-D", "--doc-warnings"],
            "help": "Include warnings about documentation.",
        },
        "test_warnings": {
            "flags": ["-T", "--test-warnings"],
            "help": "Also check test modules and packages.",
        },
        "legacy_tool_names": {
            "flags": ["--legacy-tool-names"],
            "help": "Output deprecated names for tools (pep8, pep257) "
            "instead of updated names (pycodestyle, pydocstyle)",
        },
        "no_style_warnings": {
            "flags": ["-8", "--no-style-warnings"],
            "help": "Don't create any warnings about style. This disables the"
            " PEP8 tool and similar checks for formatting.",
        },
        "member_warnings": {
            "flags": ["-m", "--member-warnings"],
            "help": "Attempt to warn when code tries to access an attribute of a "
            "class or member of a module which does not exist. This is disabled "
            "by default as it tends to be quite inaccurate.",
        },
        "quiet": {
            "flags": ["-q", "--quiet"],
            "help": "Run but do not output anything to stdout. Useful to suppress "
            "output in scripts without sending to a file (via -o)",
        },
        "full_pep8": {
            "flags": ["-F", "--full-pep8"],
            "help": "Enables every PEP8 warning, so that all PEP8 style violation will be reported.",
        },
        "max_line_length": {
            "flags": ["--max-line-length"],
            "help": "The maximum line length allowed. This will be set by the strictness if no"
            " value is explicitly specified",
        },
        "messages_only": {
            "flags": ["-M", "--messages-only"],
            "help": "Only output message information (don't output summary" " information about the checks)",
        },
        "summary_only": {
            "flags": ["-S", "--summary-only"],
            "help": "Only output summary information about the checks (don't" "output message information)",
        },
        "output_format": {
            "flags": ["-o", "--output-format"],
            "help": "The output format. Valid values are: %s. This will output to stdout by default, "
            "however a target file can be used instead by adding :path-to-output-file, eg, -o json:output.json"
            % (", ".join(sorted(FORMATTERS.keys())),),
        },
        "absolute_paths": {
            "help": "Whether to output absolute paths when referencing files "
            "in messages. By default, paths will be relative to the "
            "project path",
        },
        "tools": {
            "flags": ["-t", "--tool"],
            "help": "A list of tools to run. This lets you set exactly which "
            "tools to run. To add extra tools to the defaults, see "
            "--with-tool. Possible values are: %s. By "
            "default, the following tools will be run: %s"
            % (
                ", ".join(sorted(TOOLS.keys())),
                ", ".join(sorted(DEFAULT_TOOLS)),
            ),
        },
        "with_tools": {
            "flags": ["-w", "--with-tool"],
            "help": "A list of tools to run in addition to the default tools. "
            "To specify all tools explicitly, use the --tool argument. "
            "Possible values are %s." % (", ".join(sorted(TOOLS.keys()))),
        },
        "without_tools": {
            "flags": ["-W", "--without-tool"],
            "help": "A list of tools that should not be run. Useful to turn off "
            "only a single tool from the defaults. "
            "To specify all tools explicitly, use the --tool argument. "
            "Possible values are %s." % (", ".join(sorted(TOOLS.keys()))),
        },
        "profiles": {
            "flags": ["-P", "--profile"],
            "help": "The list of profiles to load. A profile is a certain"
            " 'type' of behaviour for prospector, and is represented"
            " by a YAML configuration file. Either a full path to the YAML"
            " file describing the profile must be provided, or it must be"
            " on the profile path (see --profile-path)",
        },
        "profile_path": {
            "flags": ["--profile-path"],
            "help": "Additional paths to search for profile files. By default this"
            " is the path that prospector will check, and a directory "
            ' called ".prospector" in the path that prospector will check.',
        },
        "show_profile": {
            "flags": ["--show-profile"],
            "help": "Include the computed profile in the summary. This will show what"
            " prospector has decided the overall profile is once all profiles"
            " have been combined and inherited from. This will produce a large"
            " output in most cases so is only useful when trying to debug why"
            " prospector is not behaving like you expect.",
        },
        "strictness": {
            "flags": ["-s", "--strictness"],
            "help": "How strict the checker should be. This affects how"
            " harshly the checker will enforce coding guidelines. The"
            ' default value is "medium", possible values are'
            ' "veryhigh", "high", "medium", "low" and "verylow".',
        },
        "no_external_config": {
            "flags": ["-E", "--no-external-config"],
            "help": "Determines how prospector should behave when"
            " configuration already exists for a tool. By default,"
            " prospector will use existing configuration. This flag"
            " will cause prospector to ignore existing configuration"
            " and use its own settings for every tool. Note that"
            " prospector will always use its own config for tools which"
            " do not have custom configuration.",
        },
        "pylint_config_file": {
            "flags": ["--pylint-config-file"],
            "help": "The path to a pylintrc file to use to configure pylint. Prospector will find"
            " .pylintrc files in the root of the project, but you can use this option to "
            "specify manually where it is.",
        },
        "ignore_patterns": {
            "flags": ["-I", "--ignore-patterns"],
            "help": "A list of paths to ignore, as a list of regular"
            " expressions. Files and folders will be ignored if their"
            " full path contains any of these patterns.",
        },
        "ignore_paths": {
            "flags": ["-i", "--ignore-paths"],
            "help": "A list of file or directory names to ignore. If the"
            " complete name matches any of the items in this list, the"
            " file or directory (and all subdirectories) will be"
            " ignored.",
        },
        "die_on_tool_error": {
            "flags": ["-X", "--die-on-tool-error"],
            "help": "If a tool fails to run, prospector will try to carry on."
            " Use this flag to cause prospector to die and raise the"
            " exception the tool generated. Mostly useful for"
            " development on prospector.",
        },
        "include-tool-stdout": {
            "flags": ["--include-tool-stdout"],
            "help": "There are various places where tools will output warnings to "
            "stdout/stderr, which breaks parsing of JSON output. Therefore while tols "
            "is running, this is suppressed. For developing, it is sometimes useful to "
            "see this. This flag will cause stdout/stderr from a tool to be shown as "
            "a normal message amongst other warnings. See also --direct-tool-stdout",
        },
        "direct-tool-stdout": {
            "flags": ["--direct-tool-stdout"],
            "help": "Same as --include-tool-stdout, except the output will be printed "
            "directly rather than shown as a message.",
        },
        "path": {
            "flags": ["-p", "--path"],
            "help": "The path to a Python project to inspect. Defaults to PWD"
            " if not specified. Note: This command line argument is"
            " deprecated and will be removed in a future update. Please"
            " use the positional PATH argument instead.",
        },
    }

    positional = (
        (
            "checkpath",
            {
                "help": "The path to a Python project to inspect. Defaults to PWD"
                "  if not specified. If multiple paths are specified,"
                "  they must all be files (no directories).",
                "metavar": "PATH",
                "nargs": "*",
            },
        ),
    )

    return soc.CommandLineSource(
        options=options,
        version=_VERSION,
        parser_options=parser_options,
        positional=positional,
    )