#!/usr/bin/env python3
"""CHECK — verify the JSONPlaceholder /users extraction artifact.

Reads users.csv (defaults to the committed copy in the troupe repo) and
asserts:
  * header row is exactly the 8 expected columns
  * there are exactly 10 data rows
  * three spot rows match values re-derivable from the HTTP response

Exit 0 only if every assertion holds; non-zero otherwise.
"""
import csv
import sys

# Committed artifact path (what ships to the repo).
DEFAULT_CSV = "/root/troupe-standup/wizard-work/ledger/2026-10-23-jpv-users.csv"

HEADER = ["id", "name", "username", "email", "city", "phone", "website", "company"]

# (name, username, email, city, website, company)
EXPECTED = {
    "1": ("Leanne Graham", "Bret", "Sincere@april.biz", "Gwenborough",
          "hildegard.org", "Romaguera-Crona"),
    "3": ("Clementine Bauch", "Samantha", "Nathan@yesenia.net",
          "McKenziehaven", "ramiro.info", "Romaguera-Jacobson"),
    "10": ("Clementina DuBuque", "Moriah.Stanton", "Rey.Padberg@karina.biz",
           "Lebsackbury", "ambrose.net", "Hoeger LLC"),
}


def main():
    csv_path = sys.argv[1] if len(sys.argv) > 1 else DEFAULT_CSV
    with open(csv_path, newline="") as f:
        reader = csv.DictReader(f)
        if reader.fieldnames != HEADER:
            print("HEADER MISMATCH: got %r" % (reader.fieldnames,))
            return 1
        rows = list(reader)

    if len(rows) != 10:
        print("ROW COUNT MISMATCH: %d" % len(rows))
        return 1

    for r in rows:
        key = r["id"]
        if key in EXPECTED:
            want = EXPECTED[key]
            got = (r["name"], r["username"], r["email"], r["city"],
                   r["website"], r["company"])
            if got != want:
                print("ROW %s MISMATCH: got %r want %r" % (key, got, want))
                return 1
    print("OK: header exact, 10 rows, 3 spot rows verified")
    return 0


if __name__ == "__main__":
    sys.exit(main())