name: Discord - Commits

on:
  push:
    branches:
      - "**"
  workflow_dispatch:

jobs:
  notify:
    runs-on: ubuntu-latest
    permissions:
      contents: read

    steps:
      - name: Post to Discord (embed)
        env:
          DISCORD_WEBHOOK: ${{ secrets.WEBHOOK_URL }}
          EVENT_JSON: ${{ toJson(github.event) }}
        run: |
          node - <<'NODE'
          const event = JSON.parse(process.env.EVENT_JSON);
          const webhook = process.env.DISCORD_WEBHOOK;

          if (!webhook) {
            console.error("❌ Secret WEBHOOK_URL manquant. (Repo Settings > Secrets and variables > Actions)");
            process.exit(1);
          }

          const repoName = event.repository?.full_name || "unknown/repo";
          const repoUrl = event.repository?.html_url || "";
          const branch = (event.ref || "").replace("refs/heads/", "");
          const compareUrl = event.compare || repoUrl;
          const pusher = event.pusher?.name || event.sender?.login || "someone";

          const commits = (event.commits || []).slice(0, 10).map(c => {
            const sha = (c.id || "").slice(0, 7);
            const msg = (c.message || "").split("\n")[0];
            const author = c.author?.name || "unknown";
            const url = c.url
              ? c.url.replace("api.github.com/repos", "github.com").replace("/commits/", "/commit/")
              : "";
            return { sha, msg, author, url };
          });

          const description = commits.length
            ? commits.map(c => `• **[${c.sha}](${c.url})** ${c.msg} — _${c.author}_`).join("\n")
            : "• (Pas de détails de commits fournis par l'événement)";

          // Discord embed limits: description max ~4096 chars
          const safeDescription = description.length > 3900
            ? description.slice(0, 3900) + "\n…"
            : description;

          const payload = {
            content: null,
            embeds: [
              {
                title: `📌 Push sur ${repoName}`,
                url: compareUrl,
                description: safeDescription,
                color: 0x7289DA,
                author: {
                  name: pusher,
                  url: `https://github.com/${event.sender?.login || ""}`
                },
                fields: [
                  { name: "Branche", value: `\`${branch || "?"}\``, inline: true },
                  { name: "Commits", value: `${event.commits?.length ?? commits.length}`, inline: true }
                ],
                footer: { text: "GitHub Actions → Discord" },
                timestamp: new Date().toISOString()
              }
            ]
          };

          fetch(webhook, {
            method: "POST",
            headers: { "Content-Type": "application/json" },
            body: JSON.stringify(payload)
          })
          .then(async (res) => {
            const txt = await res.text();
            if (!res.ok) {
              console.error(`❌ Discord error ${res.status}: ${txt}`);
              process.exit(1);
            }
            console.log("✅ Notification envoyée sur Discord.");
          })
          .catch((err) => {
            console.error("❌ Fetch error:", err);
            process.exit(1);
          });
          NODE