#!/usr/bin/python3
"""
Tree inputs

Resolve the given pipeline `id` to a path and return that. If
`id` is `null` or the empty string it returns an empty tree.
"""


import json
import sys

from osbuild.objectstore import StoreClient


SCHEMA = """
"additionalProperties": false,
"required": ["pipeline"],
"properties": {
  "pipeline": {
    "description": "The Pipeline that built the desired tree",
    "type": "object",
    "required": ["id"],
    "additionalProperties": false,
    "properties": {
      "id": {
        "description": "Identifier for the pipeline",
        "type": "string"
      }
    }
  }
}
"""


def main():
    args = json.load(sys.stdin)
    options = args["options"]

    store = StoreClient(connect_to=args["api"]["store"])
    pid = options["pipeline"]["id"]

    if not pid:
        path = store.mkdtemp(prefix="empty")
    else:
        path = store.read_tree(pid)

    if not path:
        json.dump({"error": "Could find target"}, sys.stdout)
        return 1

    json.dump({"path": path}, sys.stdout)
    return 0


if __name__ == '__main__':
    r = main()
    sys.exit(r)