# -*- coding: utf-8 -*-
"""
    wakatime.project
    ~~~~~~~~~~~~~~~~

    Returns a project for the given file.

    :copyright: (c) 2013 Alan Hamlett.
    :license: BSD, see LICENSE for more details.
"""

import os
import logging
import random
import re

from .compat import open, u
from .projects.git import Git
from .projects.mercurial import Mercurial
from .projects.projectfile import ProjectFile
from .projects.projectmap import ProjectMap
from .projects.subversion import Subversion


log = logging.getLogger('WakaTime')


# List of plugin classes to find a project for the current file path.
CONFIG_PLUGINS = [
    ProjectFile,
    ProjectMap,
]
REV_CONTROL_PLUGINS = [
    Git,
    Mercurial,
    Subversion,
]


def get_project_info(configs, heartbeat, data):
    """Find the current project and branch.

    First looks for a .wakatime-project file. Second, uses the --project arg.
    Third, uses the folder name from a revision control repository. Last, uses
    the --alternate-project arg.

    Returns a project, branch tuple.
    """

    project_name, branch_name = heartbeat.project, heartbeat.branch

    if heartbeat.type != 'file':
        project_name = project_name or heartbeat.args.project or heartbeat.args.alternate_project
        return project_name, branch_name

    if project_name is None or branch_name is None:

        for plugin_cls in CONFIG_PLUGINS:

            plugin_name = plugin_cls.__name__.lower()
            plugin_configs = get_configs_for_plugin(plugin_name, configs)

            project = plugin_cls(heartbeat.entity, configs=plugin_configs)
            if project.process():
                project_name = project_name or project.name()
                branch_name = project.branch()
                break

    if project_name is None:
        project_name = data.get('project') or heartbeat.args.project

    hide_project = should_obfuscate_project(heartbeat)

    if project_name is None or branch_name is None:

        for plugin_cls in REV_CONTROL_PLUGINS:

            plugin_name = plugin_cls.__name__.lower()
            plugin_configs = get_configs_for_plugin(plugin_name, configs)

            project = plugin_cls(heartbeat.entity, configs=plugin_configs)
            if project.process():
                project_name = project_name or project.name()
                branch_name = branch_name or project.branch()
                if hide_project:
                    branch_name = None
                    project_name = generate_project_name()
                    project_file = os.path.join(project.folder(), '.wakatime-project')
                    try:
                        with open(project_file, 'w') as fh:
                            fh.write(project_name)
                    except IOError:
                        project_name = None
                break

    if project_name is None and not hide_project:
        project_name = data.get('alternate_project') or heartbeat.args.alternate_project

    return project_name, branch_name


def should_obfuscate_project(heartbeat):
    """Returns True if hide_project_names is true or the path matches one in
    the list of obfuscated project paths."""

    for pattern in heartbeat.args.hide_project_names:
        try:
            compiled = re.compile(pattern, re.IGNORECASE)
            return compiled.search(heartbeat.entity)
        except re.error as ex:
            log.warning(u('Regex error ({msg}) for hide_project_names pattern: {pattern}').format(
                msg=u(ex),
                pattern=u(pattern),
            ))


def get_configs_for_plugin(plugin_name, configs):
    if configs and configs.has_section(plugin_name):
        return dict(configs.items(plugin_name))
    return None


def generate_project_name():
    """Generates a random project name."""

    adjectives = [
        'aged', 'ancient', 'autumn', 'billowing', 'bitter', 'black', 'blue', 'bold',
        'broad', 'broken', 'calm', 'cold', 'cool', 'crimson', 'curly', 'damp',
        'dark', 'dawn', 'delicate', 'divine', 'dry', 'empty', 'falling', 'fancy',
        'flat', 'floral', 'fragrant', 'frosty', 'gentle', 'green', 'hidden', 'holy',
        'icy', 'jolly', 'late', 'lingering', 'little', 'lively', 'long', 'lucky',
        'misty', 'morning', 'muddy', 'mute', 'nameless', 'noisy', 'odd', 'old',
        'orange', 'patient', 'plain', 'polished', 'proud', 'purple', 'quiet', 'rapid',
        'raspy', 'red', 'restless', 'rough', 'round', 'royal', 'shiny', 'shrill',
        'shy', 'silent', 'small', 'snowy', 'soft', 'solitary', 'sparkling', 'spring',
        'square', 'steep', 'still', 'summer', 'super', 'sweet', 'throbbing', 'tight',
        'tiny', 'twilight', 'wandering', 'weathered', 'white', 'wild', 'winter', 'wispy',
        'withered', 'yellow', 'young'
    ]
    nouns = [
        'art', 'band', 'bar', 'base', 'bird', 'block', 'boat', 'bonus',
        'bread', 'breeze', 'brook', 'bush', 'butterfly', 'cake', 'cell', 'cherry',
        'cloud', 'credit', 'darkness', 'dawn', 'dew', 'disk', 'dream', 'dust',
        'feather', 'field', 'fire', 'firefly', 'flower', 'fog', 'forest', 'frog',
        'frost', 'glade', 'glitter', 'grass', 'hall', 'hat', 'haze', 'heart',
        'hill', 'king', 'lab', 'lake', 'leaf', 'limit', 'math', 'meadow',
        'mode', 'moon', 'morning', 'mountain', 'mouse', 'mud', 'night', 'paper',
        'pine', 'poetry', 'pond', 'queen', 'rain', 'recipe', 'resonance', 'rice',
        'river', 'salad', 'scene', 'sea', 'shadow', 'shape', 'silence', 'sky',
        'smoke', 'snow', 'snowflake', 'sound', 'star', 'sun', 'sun', 'sunset',
        'surf', 'term', 'thunder', 'tooth', 'tree', 'truth', 'union', 'unit',
        'violet', 'voice', 'water', 'waterfall', 'wave', 'wildflower', 'wind', 'wood'
    ]
    numbers = [str(x) for x in range(10)]
    return ' '.join([
        random.choice(adjectives).capitalize(),
        random.choice(nouns).capitalize(),
        random.choice(numbers) + random.choice(numbers),
    ])