#!/usr/bin/env python3
"""生成并部署福冈湾 20 海里 NewPec / MSIL 对比页所需静态资产。"""

from __future__ import annotations

import json
import shutil
from pathlib import Path


ROOT = Path(__file__).resolve().parent
WEB_ROOT = Path("/mnt/sda1/www/newpec")
MSIL_ROOT = Path("/root/sourceserver/seaknow/msil_fukuoka_pbf")
STYLE_ROOT = Path("/root/sourceserver/seaknow/msil_sprite_style_v1")
LEFT_CACHE = WEB_ROOT / "exported_auto/tile.mapple-on.jp__newpec-mvt-20251001__z___x___y_.pbf/tiles"
LEFT_TILES = "http://192.168.200.184/newpec/exported_auto/tile.mapple-on.jp__newpec-mvt-20251001__z___x___y_.pbf/tiles/{z}/{x}/{y}.pbf"
RIGHT_TILES = "http://192.168.200.184/newpec/msil-fukuoka-20nm/pbf/{z}/{x}/{y}.pbf"
TIDE_TILES = "http://192.168.200.184/newpec/exported_auto/tile.mapple-on.jp__tide-mvt__z___x___y_.pbf/tiles/{z}/{x}/{y}.pbf"
ENGAN_TILES = "http://192.168.200.184/newpec/exported_auto/tile.mapple-on.jp__engan-mvt__z___x___y_.pbf/tiles/{z}/{x}/{y}.pbf"
MAPPLE_TILES = "http://192.168.200.184/newpec/exported_auto/tile.mapple-on.jp__mapple_a_vlight__z___x___y_.png/tiles/{z}/{x}/{y}.png"
OLD_SPRITE = "https://tile.mapple-on.jp/newpec-symbols-20251001/sprite"
OLD_GLYPHS = "https://tile.mapple-on.jp/glyphs/{fontstack}/{range}.pbf"
LOCAL_SEMANTIC_SPRITE = "http://192.168.200.184/newpec/sprite-semantic/sprite"


def load_json(path: Path) -> dict:
    return json.loads(path.read_text(encoding="utf-8"))


def write_json(value: dict, filename: str) -> None:
    for directory in (ROOT / "src/pbf", WEB_ROOT / "domain"):
        directory.mkdir(parents=True, exist_ok=True)
        (directory / filename).write_text(
            json.dumps(value, ensure_ascii=False, indent=2) + "\n", encoding="utf-8"
        )


def build_local_newpec_style() -> dict:
    style = load_json(WEB_ROOT / "style.json")
    style["name"] = "NewPec 福冈湾 20 海里本地缓存海图（20251001）"
    style["sprite"] = OLD_SPRITE
    style["glyphs"] = OLD_GLYPHS
    style["sources"]["newpec"]["tiles"] = [LEFT_TILES]
    style["sources"]["newpec"]["maxzoom"] = 9
    style["sources"]["tide"]["tiles"] = [TIDE_TILES]
    style["sources"]["engan"]["tiles"] = [ENGAN_TILES]
    style["sources"]["mapple"]["tiles"] = [MAPPLE_TILES]
    return style


def build_left_style() -> dict:
    # 必须与 navsea-compare-kyushu-semantic-icon-v1.html 的左侧完全一致。
    return load_json(ROOT / "src/pbf/style.navsea-newpec-kyushu-icon-test-v1.json")


def build_right_style() -> dict:
    # 复用已验证可显示的 GSI 陆地底图；海图对象仅来自 MSIL PBF。
    base = build_left_style()
    msil = load_json(STYLE_ROOT / "msil_fukuoka_standalone_style.json")
    base["name"] = "MSIL 福冈湾 20 海里海图（MSIL PBF + 本地陆地底图）"
    base["sprite"] = LOCAL_SEMANTIC_SPRITE
    base["sources"] = {
        key: value for key, value in base["sources"].items() if key == "mapple"
    }
    base["sources"]["msil-fukuoka"] = msil["sources"]["msil-fukuoka"]
    base["sources"]["msil-fukuoka"]["tiles"] = [RIGHT_TILES]
    base["layers"] = [
        layer for layer in base["layers"] if "source" not in layer or layer["source"] == "mapple"
    ]
    overlay_layers = [layer for layer in msil["layers"] if layer["type"] != "background"]
    for layer in overlay_layers:
        if layer["id"] == "msil-fixed-fishery-area-fill":
            layer["paint"] = {
                "fill-pattern": "fill-daytime-900",
                "fill-opacity": 0.9,
            }
        elif layer["id"] == "msil-depth-contour":
            layer["paint"] = {
                "line-color": [
                    "match", ["get", "depth_m"],
                    20, "#6acfff",
                    50, "#4f9fd0",
                    "#62bde8",
                ],
                "line-width": [
                    "match", ["get", "depth_m"],
                    20, 1.4,
                    50, 1.1,
                    1,
                ],
                "line-opacity": 1,
            }
    overlay_layers.append({
        "id": "msil-depth-contour-label",
        "type": "symbol",
        "source": "msil-fukuoka",
        "source-layer": "depth_contour",
        "minzoom": 8,
        "maxzoom": 24,
        "layout": {
            "symbol-placement": "line",
            "symbol-spacing": 220,
            "text-field": ["to-string", ["coalesce", ["get", "depth_m"], ["get", "Depth"], ""]],
            "text-font": ["NotoSansCJK-Regular"],
            "text-size": ["interpolate", ["linear"], ["zoom"], 8, 9, 12, 11, 16, 12],
            "text-allow-overlap": True,
            "text-ignore-placement": True,
            "text-rotation-alignment": "viewport",
        },
        "paint": {
            "text-color": "#172b3a",
            "text-halo-color": "rgba(255,255,255,0.88)",
            "text-halo-width": 1.2,
        },
    })
    base["layers"].extend(overlay_layers)
    return base


def deploy_msil_tiles() -> None:
    source = MSIL_ROOT / "output/pbf"
    target = WEB_ROOT / "msil-fukuoka-20nm/pbf"
    if not source.is_dir():
        raise FileNotFoundError(source)
    target.parent.mkdir(parents=True, exist_ok=True)
    shutil.copytree(source, target, dirs_exist_ok=True)
    shutil.copy2(MSIL_ROOT / "output/coverage_20nm.geojson", target.parent / "coverage_20nm.geojson")
    shutil.copy2(MSIL_ROOT / "output/manifest.json", target.parent / "manifest.json")


def main() -> None:
    if not LEFT_CACHE.is_dir():
        raise FileNotFoundError(f"未找到左侧 NewPec 缓存瓦片目录：{LEFT_CACHE}")
    write_json(build_left_style(), "style.newpec-fukuoka-20nm-cache-20251001.json")
    write_json(build_right_style(), "style.msil-fukuoka-20nm-v1.json")
    deploy_msil_tiles()
    print("已生成 source 与 domain 样式，并部署 MSIL 福冈湾 20 海里瓦片。")


if __name__ == "__main__":
    main()