#!/usr/bin/env python3

import os
import time
import json
import urllib.request

LAYER_API_URL = "https://layers.openembedded.org/layerindex/api/layers/?filter=yp_compatible_version__isnull:false&format=json"
LAYERDATA = "layerdata.json"
# RELEASE_URL = "https://docs.yoctoproject.org/releases.json"
RELEASEDATA = "releases.json"

with open(RELEASEDATA, "r") as file:
    releases = json.load(file)

with urllib.request.urlopen(LAYER_API_URL) as response:
    if response.getcode() == 200:
        data = response.read().decode("utf-8")
        layers = json.loads(data)


# grab the recent release branches and add master, so we can ignore old branches
active_releases = [
    e["release_codename"].lower() for e in releases if e["series"] == "current"
]
active_releases.append("master")
active_releases.append("main")

print(active_releases)

header = dict()
header["layer"] = "Layer"
header["branches"] = "Branches"
header["desc"] = "Description"
header["maintainers"] = ["Maintainer(s)"]
header["url"] = "Source Code"
parsed_layers = {}

for layer in layers:
    name = layer["layer"]["name"]
    if layer["branch"]["name"] not in active_releases:
        continue
    if name in parsed_layers:
        parsed_layers[name]["branches"] += ", " + layer["branch"]["name"]
        output["maintainers"].union(set([e["name"] for e in layer["maintainers"]]))
    else:
        output = dict()
        output["layer"] = name
        output["branches"] = layer["branch"]["name"]
        if len(layer["layer"]["description"]) > 80:
            output["desc"] = layer["layer"]["summary"]
        else:
            output["desc"] = layer["layer"]["description"]
        for maintainer in layer["maintainers"]:
            if "name" not in maintainer:
                maintainer["name"] = maintainer["email"]
            if "email" not in maintainer:
                maintainer["email"] = "NA"
        output["maintainers"] = set([e["name"] for e in layer["maintainers"]])
        output["url"] = '<a href="{u}">{u}</a>'.format(u=layer["layer"]["vcs_web_url"])
        parsed_layers[name] = output

# Convert the lists of maintainers to a pretty string
for layer in parsed_layers:
    maintainers = list(parsed_layers[layer]["maintainers"])
    if len(maintainers) == 1:
        parsed_layers[layer]["maintainers"] = maintainers.pop()
    elif len(maintainers) == 0:
        print("No maintainers for ", layer)
        parsed_layers[layer]["maintainers"] = "Awaiting Maintainers"
    else:
        print(maintainers)
        parsed_layers[layer]["maintainers"] = "{} and {}".format(
            ", ".join(maintainers[:-1]), maintainers[-1]
        )
sorted_parsed_layers = {"header": header}
for layername in sorted(parsed_layers.keys()):
    sorted_parsed_layers[layername] = parsed_layers[layername]
with open("parsed-layers.json", "w") as file:
    json.dump(sorted_parsed_layers, file)