"""The town's command line. Run through tools/pasture/town.sh.

  selftest <peer>...            each driver against its own server: accounts, posts, likes, replies, polls, edits,
                                deletes, and that its database view agrees with its API
  drive <peer> <user> <verb> '<json>'   one action as one town account, printed as JSON
  stored <peer> <uri>...        what a peer holds of each object (from its database, never fetching)
  seen <peer> <user> <uri>...   what one account can see of each object
  plan <spec>                   the deterministic plan of a spec, printed as JSON lines
  seed <spec>                   replays a spec's plan against the pasture, writing out/<run>/ledger.jsonl
  check [run]                   sweeps every peer for what the ledger expects
  report [run]                  out/<run>/report.html
  backlog [run] [--write]       docs/INTEROP-BACKLOG.md from the latest results
"""
import json
import os
import sys

HERE = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, HERE)

from dialects import DRIVERS, driver  # noqa: E402
from dialects.base import Account, PostSpec  # noqa: E402
import state  # noqa: E402


def main(argv):
	if not argv or argv[0] in ("-h", "--help", "help"):
		print(__doc__)
		return 0
	cmd, args = argv[0], argv[1:]
	if cmd == "selftest":
		import selftest
		return selftest.run(args or [p for p in DRIVERS])
	if cmd == "drive":
		peer, user, verb = args[0], args[1], args[2]
		params = json.loads(args[3]) if len(args) > 3 else {}
		s = state.session(peer, user)
		d = driver(peer)
		if verb == "post":
			made = d.post(s, PostSpec(**params))
			print(json.dumps(made.__dict__))
		else:
			result = getattr(d, verb)(s, **params)
			print(json.dumps(result if not hasattr(result, "__dict__") else result.__dict__, default=str, ensure_ascii=False))
		return 0
	if cmd == "stored":
		rows = driver(args[0]).stored(args[1:])
		print(json.dumps({u: {k: v for k, v in r.__dict__.items() if k != "raw"} for u, r in rows.items()}, default=str))
		return 0
	if cmd == "seen":
		s = state.session(args[0], args[1])
		print(json.dumps(driver(args[0]).seen(s, args[2:])))
		return 0
	if cmd in ("plan", "seed", "check", "report", "backlog", "gaps", "expect", "load"):
		module = __import__(cmd if cmd not in ("plan",) else "gen")
		return module.main(args)
	print(f"unknown command {cmd}", file=sys.stderr)
	return 2


if __name__ == "__main__":
	sys.exit(main(sys.argv[1:]) or 0)