"""Simple extension to search for PHP packages on Packagist. To install packages
you need to have installed composer. By default this extension will search by
package name. But searching for packages by type or tag is supported as well."""

from albertv0 import *
import os
import json
import urllib.request
from shutil import which

__iid__ = "PythonInterface/v0.1"
__prettyname__ = "Packagist"
__version__ = "1.0"
__trigger__ = "packagist "
__author__ = "Benedict Dudel"
__dependencies__ = ["composer"]


if which("composer") is None:
    raise Exception("'composer' is not in $PATH.")

iconPath = os.path.dirname(__file__)+"/logo.png"


def handleQuery(query):
    if query.isTriggered:
        if not query.string.strip():
            return [
                Item(
                    id = "packagist-search-by-tag",
                    icon = iconPath,
                    text = "by tag",
                    subtext = "Searching for packages by tag",
                    completion = "%stag " % __trigger__,
                    actions=[]
                ),
                Item(
                    id = "packagist-search-by-type",
                    icon = iconPath,
                    text = "by type",
                    subtext = "Searching for packages by type",
                    completion = "%stype " % __trigger__,
                    actions=[]
                )
            ]

        if query.string.strip().startswith("tag "):
            if query.string.strip()[4:]:
                return getItems("https://packagist.org/search.json?tags=%s" % query.string.strip()[4:])

        if query.string.strip().startswith("type "):
            if query.string.strip()[5:]:
                return getItems("https://packagist.org/search.json?type=%s" % query.string.strip()[5:])

        return getItems("https://packagist.org/search.json?q=%s" % query.string)

def getItems(url):
    items = []
    with urllib.request.urlopen(url) as uri:
        packages = json.loads(uri.read().decode())
        for package in packages['results']:
            items.append(
                Item(
                    id = "packagist-package-%s" % package["name"],
                    icon = iconPath,
                    text = package["name"],
                    subtext = package["description"],
                    completion = "%sname %s" % (__trigger__, package["name"]),
                    actions = [
                        UrlAction(
                            text = "Open on packagist.org",
                            url = package["url"]
                        ),
                        UrlAction(
                            text = "Open url of repository",
                            url = package["repository"]
                        ),
                        TermAction(
                            text = "Install",
                            commandline = ["composer", "global", "require", package['name']]
                        ),
                        TermAction(
                            text = "Remove",
                            commandline = ["composer", "global", "remove", package['name']]
                        )
                    ]
                )
            )

    return items