# -*- coding: utf-8 -*-
# Copyright (c) 2021 PANTHEON.tech, s.r.o. and others.  All rights reserved.
#
# This program and the accompanying materials are made available under the
# terms of the Eclipse Public License v1.0 which accompanies this distribution,
# and is available at http://www.eclipse.org/legal/epl-v10.html
"""

Embeds a simple table with issues.

"""

from docutils import nodes
from docutils.parsers.rst import directives, Directive
from jira import JIRA
from urllib.parse import quote
import re
import sphinx

__copyright__ = "Copyright(c) 2021 PANTHEON.tech, s.r.o."
__license__ = "Eclipse Public License v1.0"

def jira_prj_versions(project, version_range):
    jira = JIRA(server="https://jira.opendaylight.org")
    prj = jira.project(project)
    (from_ver, to_ver) = version_range.split('-', 1)

    versions = set()
    for ver in jira.project_versions(prj):
        if ver.name >= from_ver and ver.name <= to_ver:
            versions.add(ver.name)
    versions = list(versions)
    versions.sort()
    versions = ", ".join(versions)

    return (jira, prj, from_ver, to_ver, versions)

def format_versions(versions):
    result = set()
    for version in versions:
        result.add(version.name)
    result = list(result)
    result.sort()
    return ", ".join(result)

class JiraFixedIssuesDirective(Directive):
    """
    JIRA Fixed Issues directive
    """
    has_content = True
    required_arguments = 0
    optional_arguments = 0

    option_spec = {
        "project": directives.unchanged_required,
        "versions": directives.unchanged_required,
    }

    def run(self):
        (jira, prj, from_ver, to_ver, versions) = jira_prj_versions(self.options.get('project'), self.options.get('versions'))

        query = 'project = %s AND resolution is not EMPTY AND fixVersion in (%s) ORDER BY type ASC' % (prj, versions)
        issues = jira.search_issues(query)

        # FIXME: this is not quite nice: can we emit the table markup directly
        table = [
            '.. list-table:: Issues resolved in versions %s through %s (`JIRA <https://jira.opendaylight.org/issues/?jql=%s>`__)' % (from_ver, to_ver, quote(query)),
            '   :class: datatable',
            '   :header-rows: 1',
            '   :widths: auto',
            '',
            '   * - Type',
            '     - Key',
            '     - Summary',
            '     - Resolution',
            '     - Fix Version(s)',
        ]

        if issues:
            for issue in issues:
                table.append('   * - .. image:: %s' % issue.fields.issuetype.iconUrl)
                table.append('          :align: center')
                table.append('          :alt: %s' % issue.fields.issuetype.name)
                table.append('     - `%s <https://jira.opendaylight.org/browse/%s>`_' % (issue.key, issue.key))
                table.append('     - %s' % issue.fields.summary)
                table.append('     - %s' % issue.fields.resolution)
                table.append('     - %s' % format_versions(issue.fields.fixVersions))

            table.append('')

            for idx, line in enumerate(table):
                self.content.data.insert(idx, line)
                self.content.items.insert(idx, (None, idx))

        node = nodes.container()
        self.state.nested_parse(self.content, self.content_offset, node)
        return node.children

class JiraKnownIssuesDirective(Directive):
    """
    JIRA Known Issues directive
    """
    has_content = True
    required_arguments = 0
    optional_arguments = 0

    option_spec = {
        "project": directives.unchanged_required,
        "versions": directives.unchanged_required,
    }

    def run(self):
        (jira, prj, from_ver, to_ver, versions) = jira_prj_versions(self.options.get('project'), self.options.get('versions'))

        query = 'project = %s AND affectedVersion in (%s) AND fixVersion NOT in (%s) ORDER BY type ASC' % (prj, versions, versions)
        issues = jira.search_issues(query)

        # FIXME: this is not quite nice: can we emit the table markup directly
        table = [
            '.. list-table:: Issues affecting versions %s through %s (`JIRA <https://jira.opendaylight.org/issues/?jql=%s>`__)' % (from_ver, to_ver, quote(query)),
            '   :class: datatable',
            '   :header-rows: 1',
            '   :widths: auto',
            '',
            '   * - Type',
            '     - Key',
            '     - Summary',
            '     - Status',
            '     - Affected Version(s)',
            '     - Fix Version(s)',
        ]

        if issues:
            for issue in issues:
                fixVersions = format_versions(issue.fields.fixVersions)
                affectvedVersions = format_versions(issue.fields.versions)
                table.append('   * - .. image:: %s' % issue.fields.issuetype.iconUrl)
                table.append('          :align: center')
                table.append('          :alt: %s' % issue.fields.issuetype.name)
                table.append('     - `%s <https://jira.opendaylight.org/browse/%s>`_' % (issue.key, issue.key))
                table.append('     - %s' % issue.fields.summary)
                table.append('     - %s' % issue.fields.status)
                table.append('     - %s' % fixVersions)
                table.append('     - %s' % affectvedVersions)

            table.append('')

            for idx, line in enumerate(table):
                self.content.data.insert(idx, line)
                self.content.items.insert(idx, (None, idx))

        node = nodes.container()
        self.state.nested_parse(self.content, self.content_offset, node)
        return node.children

def setup(app):
    """
    :type app: sphinx.application.Sphinx
    """
    app.add_directive('jira_fixed_issues', JiraFixedIssuesDirective)
    app.add_directive('jira_known_issues', JiraKnownIssuesDirective)

    # https://datatables.net/ improvements to tables
    app.add_css_file("https://cdn.datatables.net/1.11.2/css/jquery.dataTables.min.css")
    app.add_js_file("https://cdn.datatables.net/1.11.2/js/jquery.dataTables.min.js")
    app.add_js_file(None, **{"body": "$(document).ready( function () { $('table.datatable').DataTable(); } );", "type": "text/javascript", "class": "init"})

    return {
        'version': '0.1',
        'parallel_read_safe': True,
        'parallel_write_safe': True,
    }