#!/usr/bin/env python3
"""Rank planets for a resource, with founding cost (environment extras straight from FIO's
BuildRequirements - real game data, not guessed thresholds) and optional jump distance from
a base you already have.

  tools/planet.py FEO --top 10
  tools/planet.py LST --min-factor 0.5 --from ZV-759c --top 5
"""
import argparse, sys
from pathlib import Path
sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
from puga import config, market, planet, route


def main():
    ap = argparse.ArgumentParser()
    ap.add_argument("resource", help="raw resource ticker, e.g. LST, FEO, SEA")
    ap.add_argument("--min-factor", type=float, default=0.0)
    ap.add_argument("--top", type=int, default=10)
    ap.add_argument("--from", dest="from_", help="planet/system to measure jump distance from (e.g. an existing base)")
    ap.add_argument("--cx", default=config.DEFAULT_CX)
    a = ap.parse_args()

    rows = planet.candidates(a.resource, a.min_factor)
    if not rows:
        print(f"no planets found with {a.resource.upper()} (factor >= {a.min_factor})")
        return
    rows = rows[:a.top]

    src = route.resolve_system(a.from_) if a.from_ else None
    graph = route.load_graph() if src else None

    for p in rows:
        env_cost = 0.0
        env_items = []
        for br in p["build_requirements"]:
            w = market.walk(br["MaterialTicker"], a.cx, br["MaterialAmount"], "buy")
            env_cost += w["total"]
            env_items.append(f"{br['MaterialAmount']}{br['MaterialTicker']}")
        dist = ""
        if src:
            r = route.shortest_path(src, p["system_id"], graph=graph) if p["system_id"] != src else {"jumps": 0, "distance_ly": 0.0}
            dist = f"  {r['jumps']} jumps ({r['distance_ly']:.0f} ly)" if r else "  unreachable"
        print(f"{p['natural_id']:8} {p['name']:16} factor {p['factor']:.3f}  T {p['temperature']:6.1f}C  P {p['pressure']:.2f}bar  "
              f"G {p['gravity']:.2f}  fert {p['fertility']:5.2f}  faction {p['faction'] or '-':4}  env-cost {env_cost:8,.0f} AIC ({', '.join(env_items) or 'none'}){dist}")


if __name__ == "__main__":
    main()