#!/usr/bin/env python3
"""Fuegt Oelknoten-Zeile am Heizung-Dashboard hinzu (idempotent)."""
import json
import subprocess

BASE = "http://100.66.78.56:3000"
ROW_TITLE = "🛢️ Ölknoten (Erdtrasse)"
DS_UID = "ffptl25vzylfke"  # InfluxDB-sensors
PANEL_IDS = [901, 902, 903, 904, 905]


def curl(path, method="GET", body=None):
    cmd = [
        "curl", "-s",
        "-u", "admin:astral66", "-X", method, f"{BASE}{path}",
    ]
    if body is not None:
        cmd += ["-H", "Content-Type: application/json", "-d", json.dumps(body)]
    r = subprocess.run(cmd, capture_output=True, text=True, timeout=30)
    return json.loads(r.stdout) if r.stdout.startswith(("{", "[")) else r.stdout


def stat_panel(pid, title, sensor, x, y, w=4, h=4):
    return {
        "id": pid,
        "type": "stat",
        "title": title,
        "datasource": {"type": "influxdb", "uid": DS_UID},
        "gridPos": {"h": h, "w": w, "x": x, "y": y},
        "fieldConfig": {
            "defaults": {
                "unit": "celsius",
                "decimals": 1,
                "color": {"mode": "thresholds"},
                "thresholds": {
                    "mode": "absolute",
                    "steps": [
                        {"color": "blue", "value": None},
                        {"color": "green", "value": 10},
                        {"color": "orange", "value": 40},
                    ],
                },
            }
        },
        "options": {
            "reduceOptions": {"values": False, "calcs": ["lastNotNull"]},
            "colorMode": "background",
            "graphMode": "none",
        },
        "targets": [{
            "refId": "A",
            "rawQuery": True,
            "query": (
                f'SELECT last("value") FROM "temperature" '
                f"WHERE \"node\"='oelknoten' AND \"sensor\"='{sensor}' AND $timeFilter"
            ),
        }],
    }


d = curl("/api/dashboards/uid/heizung")
dash = d["dashboard"]

# Entferne alte Oelknoten-Zeile
remove_titles = {ROW_TITLE, "Ölknoten Raum", "Ölknoten HK VL", "Ölknoten Erd VL", "Ölknoten Erd RL", "Ölknoten Status"}
dash["panels"] = [
    p for p in dash["panels"]
    if p.get("title") not in remove_titles and p.get("id") not in PANEL_IDS
]

max_y = 0
for p in dash["panels"]:
    gp = p.get("gridPos", {})
    max_y = max(max_y, gp.get("y", 0) + gp.get("h", 0))

y = max_y
dash["panels"].append({
    "id": 900,
    "type": "row",
    "title": ROW_TITLE,
    "gridPos": {"h": 1, "w": 24, "x": 0, "y": y},
    "collapsed": False,
})
y += 1

panels = [
    (901, "Status", None, 0),
    (902, "Raum", "raum", 4),
    (903, "HK Vorlauf", "hk_vorlauf", 8),
    (904, "Erd VL", "vl_erd_an", 12),
    (905, "Erd RL", "rl_erd_ab", 16),
]

for pid, title, sensor, x in panels:
    if sensor is None:
        dash["panels"].append({
            "id": pid,
            "type": "stat",
            "title": title,
            "datasource": {"type": "influxdb", "uid": DS_UID},
            "gridPos": {"h": 4, "w": 4, "x": x, "y": y},
            "fieldConfig": {
                "defaults": {
                    "mappings": [
                        {"type": "value", "options": {
                            "1": {"text": "ONLINE", "color": "green", "index": 0},
                            "0": {"text": "OFFLINE", "color": "red", "index": 1},
                        }},
                    ],
                    "noValue": "OFFLINE",
                    "color": {"mode": "thresholds"},
                    "thresholds": {"mode": "absolute", "steps": [
                        {"color": "red", "value": None},
                        {"color": "green", "value": 1},
                    ]},
                }
            },
            "options": {
                "reduceOptions": {"values": False, "calcs": ["lastNotNull"]},
                "colorMode": "background",
                "graphMode": "none",
            },
            "targets": [{
                "refId": "A",
                "rawQuery": True,
                "query": 'SELECT last("value") FROM "node_status" WHERE "node"=\'oelknoten\'',
            }],
        })
    else:
        dash["panels"].append(stat_panel(pid, title, sensor, x, y))

dash["version"] = dash.get("version", 0) + 1
resp = curl("/api/dashboards/db", "POST", {
    "dashboard": dash,
    "folderId": 0,
    "overwrite": True,
    "message": "Oelknoten-Zeile hinzugefuegt",
})
print(json.dumps(resp, indent=2)[:500])