name: Request Script Eligibility Check

# category.slug is the same string GitHub uses in the "new discussion" URL
# (?category=request-script, linked from every repo's issue chooser), so this
# guard matches the live category without needing its numeric id.
on:
  discussion:
    types: [created, edited, reopened]

jobs:
  check-eligibility:
    if: github.repository == 'community-scripts/ProxmoxVE' && github.event.discussion.category.slug == 'request-script'
    runs-on: ubuntu-latest
    permissions:
      discussions: write
      issues: write
      contents: read
    steps:
      - name: Verify stars/age, flag or close
        uses: actions/github-script@v9
        with:
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const discussion = context.payload.discussion;

            if (!discussion || discussion.state === "closed") {
              core.info("Discussion missing or already closed — skipping.");
              return;
            }

            const body = discussion.body || "";
            const lines = body.split("\n");
            const fields = {};
            let current = null;
            for (const line of lines) {
              const m = line.match(/^###\s+(.+?)\s*$/);
              if (m) {
                current = m[1].trim();
                fields[current] = [];
              } else if (current) {
                fields[current].push(line);
              }
            }
            function fieldText(label) {
              const raw = (fields[label] || []).join("\n").trim();
              return raw === "_No response_" ? "" : raw;
            }

            const sourceRepo = fieldText("Source Repository");
            const justification = fieldText("Justification for an exception");

            let eligible = false;
            let verified = false;
            const ghMatch = sourceRepo.match(/^https?:\/\/(?:www\.)?github\.com\/([^\/\s]+)\/([^\/\s#?]+?)(?:\.git)?\/?(?:[#?].*)?$/i);

            if (ghMatch) {
              const [, repoOwner, repoName] = ghMatch;
              try {
                const { data: repoData } = await github.rest.repos.get({ owner: repoOwner, repo: repoName });
                const stars = repoData.stargazers_count;
                const createdAt = new Date(repoData.created_at);
                const now = new Date();
                const ageMonths =
                  (now.getFullYear() - createdAt.getFullYear()) * 12 +
                  (now.getMonth() - createdAt.getMonth()) -
                  (now.getDate() < createdAt.getDate() ? 1 : 0);
                eligible = stars >= 1000 && ageMonths >= 6;
                verified = true;
                core.info(`Verified ${repoOwner}/${repoName}: ${stars} stars, ${ageMonths} months old, eligible=${eligible}`);
              } catch (err) {
                core.warning(`Could not verify ${repoOwner}/${repoName}: ${err.message} — treating as unverifiable.`);
              }
            } else {
              core.info("Source Repository is not a github.com URL — cannot auto-verify, treating as unverifiable.");
            }

            if (eligible) {
              core.info(`Discussion #${discussion.number} meets the requirements — no action.`);
              return;
            }

            const labels = (discussion.labels || []).map(l => l.name);
            const reasonLine = verified
              ? "the source repository does not meet the 1,000-star / 6-month minimum adoption requirement"
              : "the source repository's star count and age could not be verified automatically";

            if (justification) {
              if (labels.includes("investigation")) {
                core.info(`Discussion #${discussion.number} already flagged for investigation — skipping.`);
                return;
              }

              try {
                await github.rest.issues.createLabel({
                  owner, repo, name: "investigation",
                  color: "fbca04",
                  description: "Below the normal script-request threshold; a justification was given and needs maintainer review.",
                });
              } catch (err) {
                if (err.status !== 422) throw err;
              }

              const labelQuery = await github.graphql(
                `query($owner: String!, $repo: String!) { repository(owner: $owner, name: $repo) { label(name: "investigation") { id } } }`,
                { owner, repo }
              );
              const labelNodeId = labelQuery.repository.label.id;

              await github.graphql(
                `mutation($labelableId: ID!, $labelIds: [ID!]!) { addLabelsToLabelable(input: { labelableId: $labelableId, labelIds: $labelIds }) { clientMutationId } }`,
                { labelableId: discussion.node_id, labelIds: [labelNodeId] }
              );

              await github.graphql(
                `mutation($discussionId: ID!, $body: String!) { addDiscussionComment(input: { discussionId: $discussionId, body: $body }) { comment { id } } }`,
                {
                  discussionId: discussion.node_id,
                  body:
                    `Thanks for the justification — ${reasonLine}, so this has been flagged \`investigation\` for a maintainer ` +
                    `to review manually rather than closed automatically.`,
                }
              );
            } else {
              await github.graphql(
                `mutation($discussionId: ID!, $body: String!) { addDiscussionComment(input: { discussionId: $discussionId, body: $body }) { comment { id } } }`,
                {
                  discussionId: discussion.node_id,
                  body:
                    `This request doesn't meet the minimum requirements (1,000 stars, project at least 6 months old) — ` +
                    `${reasonLine}, and no justification was given. Closing automatically.\n\n` +
                    `If you believe this project qualifies for an exception, edit this discussion to fill in ` +
                    `**Justification for an exception** and reopen it — it will then be flagged for manual review instead of closed again.`,
                }
              );

              await github.graphql(
                `mutation($discussionId: ID!) { closeDiscussion(input: { discussionId: $discussionId, reason: OUTDATED }) { discussion { id } } }`,
                { discussionId: discussion.node_id }
              );
            }