# -*- coding: utf-8 -*-
"""取证脚本（第 2 棒专用）：为「Postiz + PostSider 同源双形态分析」补拉增量面证据。

只读 GitHub 公开 raw / API；产物落本目录 api/fork/ 下，逐件带取证时间。
⛔ 不重复拉第 1 棒已有的 repo.json / README / tree（那些直接复用 api/ 下的）。
"""
import json, os, sys, time, urllib.request, urllib.error

sys.stdout.reconfigure(encoding="utf-8", errors="replace")

HERE = os.path.dirname(os.path.abspath(__file__))
OUT = os.path.join(HERE, "api", "fork")
os.makedirs(OUT, exist_ok=True)

HDRS = {"User-Agent": "wb-research/1.0"}

# (落盘名, raw 路径, 仓库)
RAW = "https://raw.githubusercontent.com/%s/%s/%s"  # owner/repo/branch/path
ITEMS = [
    ("postsider.apps_mcp.README.md",      "lumizone/postsider", "main", "apps/mcp/README.md"),
    ("postsider.apps_mcp.server.json",    "lumizone/postsider", "main", "apps/mcp/server.json"),
    ("postsider.apps_mcp.package.json",   "lumizone/postsider", "main", "apps/mcp/package.json"),
    ("postsider.apps_mcp.CHANGELOG.md",   "lumizone/postsider", "main", "apps/mcp/CHANGELOG.md"),
    ("postsider.mcp.tool-inventory.ts",   "lumizone/postsider", "main", "apps/mcp/src/__tests__/tool-inventory.ts"),
    ("postsider.mcp.server.ts",           "lumizone/postsider", "main", "apps/mcp/src/server.ts"),
    ("postsider.sdk.README.md",           "lumizone/postsider", "main", "apps/sdk/README.md"),
    ("postsider.sdk.index.ts",            "lumizone/postsider", "main", "apps/sdk/src/index.ts"),
    ("postsider.sdk.package.json",        "lumizone/postsider", "main", "apps/sdk/package.json"),
    ("postsider.package.json",            "lumizone/postsider", "main", "package.json"),
    ("postsider.ATTRIBUTION.md",          "lumizone/postsider", "main", "ATTRIBUTION.md"),
    ("postsider.DEPLOYMENT.md",           "lumizone/postsider", "main", "DEPLOYMENT.md"),
    ("postsider.skill.calendar-review.md",  "lumizone/postsider", "main", "apps/mcp/skills/postsider-calendar-review/SKILL.md"),
    ("postsider.skill.content-publishing.md", "lumizone/postsider", "main", "apps/mcp/skills/postsider-content-publishing/SKILL.md"),
    ("postiz.package.json",               "gitroomhq/postiz-app", "main", "package.json"),
    ("postiz.version.txt",                "gitroomhq/postiz-app", "main", "version.txt"),
    ("postiz.sdk.README.md",              "gitroomhq/postiz-app", "main", "apps/sdk/README.md"),
    ("postiz.sdk.package.json",           "gitroomhq/postiz-app", "main", "apps/sdk/package.json"),
]

log = {"fetched_at": time.strftime("%Y-%m-%dT%H:%M:%S"), "items": {}}

for name, repo, branch, path in ITEMS:
    url = RAW % (repo, branch, path)
    rec = {"repo": repo, "branch": branch, "path": path, "url": url}
    try:
        req = urllib.request.Request(url, headers=HDRS)
        with urllib.request.urlopen(req, timeout=40) as r:
            body = r.read()
        with open(os.path.join(OUT, name), "wb") as f:
            f.write(body)
        rec["bytes"] = len(body)
        rec["ok"] = True
    except urllib.error.HTTPError as e:
        rec["ok"] = False
        rec["error"] = "HTTP %s" % e.code
    except Exception as e:
        rec["ok"] = False
        rec["error"] = repr(e)
    log["items"][name] = rec
    print("[%s] %s" % ("OK " if rec.get("ok") else "FAIL", name), rec.get("error", rec.get("bytes")))
    time.sleep(0.3)

# 版本差异：取两个仓库的 releases（最近 10 条）与 tags
def api(url):
    req = urllib.request.Request(url, headers={**HDRS, "Accept": "application/vnd.github+json"})
    with urllib.request.urlopen(req, timeout=40) as r:
        return json.loads(r.read().decode("utf-8"))

for slug, full in (("postiz", "gitroomhq/postiz-app"), ("postsider", "lumizone/postsider")):
    try:
        rl = api("https://api.github.com/repos/%s/releases?per_page=10" % full)
        save = [{"tag_name": x.get("tag_name"), "name": x.get("name"),
                 "published_at": x.get("published_at"), "prerelease": x.get("prerelease")} for x in rl]
        with open(os.path.join(OUT, slug + ".releases.json"), "w", encoding="utf-8") as f:
            json.dump(save, f, ensure_ascii=False, indent=1)
        log["items"][slug + ".releases"] = {"ok": True, "count": len(save)}
        print("[releases]", slug, len(save))
    except Exception as e:
        log["items"][slug + ".releases"] = {"ok": False, "error": repr(e)}
        print("[releases]", slug, "FAIL", repr(e))

with open(os.path.join(OUT, "_fetch_log.json"), "w", encoding="utf-8") as f:
    json.dump(log, f, ensure_ascii=False, indent=1)
print("\nDONE -> " + OUT)