from flask import Blueprint, render_template, request, redirect, url_for

from ..db import query_one, execute, get_all_sessions
from ..config import SIM_CONFIGS_DIR, load_sim_config, save_sim_config, load_all_modes

bp = Blueprint("params", __name__)


@bp.route("/params")
def params():
    all_sessions = get_all_sessions()
    sid      = int(request.args.get("sid", all_sessions[-1]["id"] if all_sessions else 1))
    session  = query_one("SELECT * FROM sessions WHERE id = %s", (sid,))
    cfg      = load_sim_config(sid)
    modes    = load_all_modes()
    flash_msg = request.args.get("msg")
    flash_ok  = request.args.get("ok", "1") == "1"
    return render_template("params.html",
        tab="params", current_sid=sid, all_sessions=all_sessions,
        session=session, cfg=cfg, modes=modes, sim_configs_dir=SIM_CONFIGS_DIR,
        flash_msg=flash_msg, flash_ok=flash_ok,
    )


@bp.route("/params/save", methods=["POST"])
def params_save():
    sid = int(request.args.get("sid", 1))
    cfg = load_sim_config(sid)
    if cfg is None:
        return redirect(url_for("params.params", sid=sid,
                                msg=f"Fichier sim_{sid:03d}.json introuvable dans {SIM_CONFIGS_DIR}", ok=0))
    f = request.form
    cfg["name"] = f.get("name", cfg.get("name", ""))
    cfg["mode"] = f.get("mode", cfg.get("mode", "pacifiste"))
    cfg.setdefault("tick", {})["tick_sleep_sec"] = int(f.get("tick_sleep_sec", 60))
    cfg.setdefault("survival", {}).update({
        "drain_speed":        float(f.get("survival_drain_speed", 1.0)),
        "fatigue_hp_per_2pts": int(f.get("survival_fatigue_hp", 2)),
        "enabled":            "survival_enabled" in f,
    })
    cfg.setdefault("encounter", {}).update({
        "global_rate_multiplier": float(f.get("encounter_rate", 1.0)),
        "enabled":                "encounter_enabled" in f,
    })
    cfg.setdefault("economy", {})["caps_global_multiplier"] = float(f.get("caps_multiplier", 1.0))
    try:
        save_sim_config(sid, cfg)
        execute("UPDATE sessions SET mode=%s WHERE id=%s", (cfg["mode"], sid))
        msg = f"Config sim_{sid:03d}.json sauvegardée. Mode DB mis à jour → {cfg['mode']}."
        ok  = 1
    except Exception as e:
        msg = f"Erreur: {e}"
        ok  = 0
    return redirect(url_for("params.params", sid=sid, msg=msg, ok=ok))


@bp.route("/params/setstatus", methods=["POST"])
def params_setstatus():
    sid    = int(request.args.get("sid", 1))
    status = request.form.get("status", "paused")
    try:
        execute("UPDATE sessions SET status=%s WHERE id=%s", (status, sid))
        msg = f"Session {sid} → status '{status}'."
        ok  = 1
    except Exception as e:
        msg = f"Erreur: {e}"
        ok  = 0
    return redirect(url_for("params.params", sid=sid, msg=msg, ok=ok))


@bp.route("/params/resetday", methods=["POST"])
def params_resetday():
    sid  = int(request.args.get("sid", 1))
    day  = int(request.form.get("day", 1))
    tick = int(request.form.get("tick", 0))
    try:
        execute("UPDATE sessions SET current_day=%s, current_tick=%s WHERE id=%s", (day, tick, sid))
        msg = f"Session {sid} remise à J{day} T{tick}h."
        ok  = 1
    except Exception as e:
        msg = f"Erreur: {e}"
        ok  = 0
    return redirect(url_for("params.params", sid=sid, msg=msg, ok=ok))