# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.

from flask import request, render_template, abort, redirect
import json
from libmozdata.hgmozilla import Mercurial
from . import utils, models, report_bug
from .logger import logger
from .pushlog import pushlog_for_buildid_url, pushlog_for_rev_url


def crashstack():
    uuid = request.args.get("uuid", "")
    stack, uuid_info = models.CrashStack.get_by_uuid(uuid)
    if uuid_info:
        channel = uuid_info["channel"]
        repo_url = Mercurial.get_repo_url(channel)
        sgn_url = utils.make_url_for_signature(
            uuid_info["signature"],
            uuid_info["buildid"],
            utils.get_buildid(uuid_info["buildid"]),
            channel,
            uuid_info["product"],
        )
        return render_template(
            "crashstack.html",
            uuid_info=uuid_info,
            stack=stack,
            colors=utils.get_colors(),
            enumerate=enumerate,
            repo_url=repo_url,
            channel=channel,
            sgn_url=sgn_url,
        )
    abort(404)


def reports():
    try:
        prod = request.args.get("product", "Firefox")
        channel = request.args.get("channel", "nightly")
        buildid = request.args.get("buildid", "")
        products = models.UUID.get_buildids()
        if not buildid:
            buildid = products[prod][channel][0][0]
        signatures = models.UUID.get_uuids_from_buildid(buildid, prod, channel)

        return render_template(
            "reports.html",
            buildids=json.dumps(products),
            products=products,
            selected_product=prod,
            selected_channel=channel,
            selected_bid=buildid,
            signatures=signatures,
            colors=utils.get_colors(),
        )
    except Exception:
        logger.error("Invalid URL: {}".format(request.url), exc_info=True)
        abort(404)


def reports_no_score():
    try:
        prod = request.args.get("product", "Firefox")
        channel = request.args.get("channel", "nightly")
        buildid = request.args.get("buildid", "")
        products = models.UUID.get_buildids(no_score=True)
        if not buildid:
            buildid = products[prod][channel][0][0]
        signatures = models.UUID.get_uuids_from_buildid_no_score(buildid, prod, channel)

        return render_template(
            "reports_no_score.html",
            buildids=json.dumps(products),
            products=products,
            selected_product=prod,
            selected_channel=channel,
            selected_bid=buildid,
            signatures=signatures,
        )
    except Exception:
        logger.error("Invalid URL: {}".format(request.url), exc_info=True)
        abort(404)


def diff():
    filename = request.args.get("filename", "")
    line = request.args.get("line", "")
    style = request.args.get("style", "file")
    node = request.args.get("node", "")
    changeset = request.args.get("changeset", "")
    channel = request.args.get("channel", "")
    repo_url = Mercurial.get_repo_url(channel)
    annotate_url = "{}/{}/{}/{}#l{}".format(repo_url, style, node, filename, line)
    diff_url = "{}/diff/{}/{}".format(repo_url, changeset, filename)

    return render_template(
        "diff.html",
        changeset=changeset,
        filename=filename,
        annotate_url=annotate_url,
        diff_url=diff_url,
    )


def bug():
    uuid = request.args.get("uuid", "")
    changeset = request.args.get("changeset", "")

    if uuid and changeset:
        url, ni, signature, bugdata = report_bug.get_info(uuid, changeset)
        bugdata = sorted(bugdata.items())
        return render_template(
            "bug.html",
            uuid=uuid,
            url=url,
            needinfo=ni,
            bugdata=bugdata,
            signature=signature,
        )
    abort(404)


def pushlog():
    url = ""
    buildid = request.args.get("buildid", "")
    if buildid:
        channel = request.args.get("channel", "nightly")
        product = request.args.get("product", "Firefox")
        url = pushlog_for_buildid_url(buildid, channel, product)
    else:
        rev = request.args.get("rev", "")
        if rev:
            channel = request.args.get("channel", "nightly")
            product = request.args.get("product", "Firefox")
            url = pushlog_for_rev_url(rev, channel, product)
    if url:
        return redirect(url)

    abort(404)