name: repo-pipeline

on:
  workflow_call:
    inputs:
      repo_type:
        description: Repository type (ios, node, python, custom)
        required: false
        type: string
        default: ios
      xcode_project:
        description: Xcode project path for ios repos
        required: false
        type: string
        default: CamperLogBook.xcodeproj
      xcode_scheme:
        description: Xcode scheme for ios repos
        required: false
        type: string
        default: CamperLogBook
      lint_command:
        description: Optional lint command override
        required: false
        type: string
        default: ""
      build_command:
        description: Optional build command override
        required: false
        type: string
        default: ""
      test_command:
        description: Optional test command override
        required: false
        type: string
        default: ""

jobs:
  ci:
    name: ci
    runs-on: ubuntu-latest
    steps:
      - name: Checkout caller repository
        uses: actions/checkout@v4

      - name: Resolve commands
        id: resolve
        shell: bash
        run: |
          set -euo pipefail
          repo_type='${{ inputs.repo_type }}'
          lint='${{ inputs.lint_command }}'
          build='${{ inputs.build_command }}'
          test='${{ inputs.test_command }}'
          xcode_project='${{ inputs.xcode_project }}'
          xcode_scheme='${{ inputs.xcode_scheme }}'

          if [ -z "$lint" ]; then
            case "$repo_type" in
              ios)
                lint="echo 'No default ios lint command on ubuntu runner. Set lint_command override if needed.'"
                ;;
              node)
                lint="npm run lint --if-present"
                ;;
              python)
                lint="python3 -m pip install -U pip && python3 -m pip install ruff && ruff check ."
                ;;
              *)
                lint="echo 'No lint default for repo_type=$repo_type'"
                ;;
            esac
          fi

          if [ -z "$build" ]; then
            case "$repo_type" in
              ios)
                build="echo 'No default ios build command on ubuntu runner. Use Xcode Cloud or set build_command override.'"
                ;;
              node)
                build="npm run build --if-present"
                ;;
              python)
                build="echo 'No default build step for python'"
                ;;
              *)
                build="echo 'No build default for repo_type=$repo_type'"
                ;;
            esac
          fi

          if [ -z "$test" ]; then
            case "$repo_type" in
              ios)
                test="echo 'No default ios test command on ubuntu runner. Use Xcode Cloud or set test_command override.'"
                ;;
              node)
                test="npm test --if-present"
                ;;
              python)
                test="pytest -q"
                ;;
              *)
                test="echo 'No test default for repo_type=$repo_type'"
                ;;
            esac
          fi

          {
            echo "lint=$lint"
            echo "build=$build"
            echo "test=$test"
          } >> "$GITHUB_OUTPUT"

      - name: Lint
        shell: bash
        run: |
          set -euo pipefail
          eval "${{ steps.resolve.outputs.lint }}"

      - name: Build
        shell: bash
        run: |
          set -euo pipefail
          eval "${{ steps.resolve.outputs.build }}"

      - name: Test
        shell: bash
        run: |
          set -euo pipefail
          eval "${{ steps.resolve.outputs.test }}"

  security-scan:
    name: security-scan
    runs-on: ubuntu-latest
    permissions:
      contents: read
      security-events: write
      pull-requests: read
    steps:
      - name: Checkout caller repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install gitleaks
        shell: bash
        run: |
          set -euo pipefail
          GITLEAKS_VERSION=$(curl -s https://api.github.com/repos/gitleaks/gitleaks/releases/latest | grep '"tag_name"' | sed -E 's/.*"v([^"]+)".*/\1/')
          curl -sSL "https://github.com/gitleaks/gitleaks/releases/download/v${GITLEAKS_VERSION}/gitleaks_${GITLEAKS_VERSION}_linux_x64.tar.gz" | tar -xz
          sudo mv gitleaks /usr/local/bin/gitleaks
          gitleaks version

      - name: Gitleaks scan
        shell: bash
        run: |
          set -euo pipefail
          gitleaks detect --source . --no-git --verbose

      - name: Install Semgrep
        shell: bash
        run: |
          set -euo pipefail
          python3 -m pip install --upgrade pip
          python3 -m pip install semgrep
          semgrep --version

      - name: Semgrep scan
        shell: bash
        run: |
          set -euo pipefail
          semgrep --config p/default --error

      - name: Dependency Review
        if: ${{ github.event_name == 'pull_request' }}
        uses: actions/dependency-review-action@v4

  ai-review:
    name: ai-review
    if: ${{ github.event_name == 'pull_request' }}
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write
      issues: write
    steps:
      - name: Generate Claude review
        env:
          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
          GITHUB_TOKEN: ${{ github.token }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          REPO: ${{ github.repository }}
          PR_TITLE: ${{ github.event.pull_request.title }}
        run: |
          set -euo pipefail
          if [ -z "${ANTHROPIC_API_KEY:-}" ]; then
            echo "::notice::ANTHROPIC_API_KEY not set – Claude review skipped"
            exit 0
          fi
          python3 << 'PYEOF'
          import os, json, urllib.request

          token   = os.environ["GITHUB_TOKEN"]
          repo    = os.environ["REPO"]
          pr_num  = os.environ["PR_NUMBER"]
          headers_gh = {"Authorization": f"Bearer {token}", "User-Agent": "vanity-dev-engine",
                        "Accept": "application/vnd.github.v3+json"}

          # Skip if Claude review already exists
          req = urllib.request.Request(
              f"https://api.github.com/repos/{repo}/issues/{pr_num}/comments?per_page=100",
              headers=headers_gh)
          with urllib.request.urlopen(req) as r:
              comments = json.loads(r.read())
          if any("### Claude" in (c.get("body") or "") for c in comments):
              print("Claude review already present – skipping generation.")
              raise SystemExit(0)

          # Fetch PR diff (truncated to 12 000 chars to stay within token limit)
          req_diff = urllib.request.Request(
              f"https://api.github.com/repos/{repo}/pulls/{pr_num}",
              headers={**headers_gh, "Accept": "application/vnd.github.v3.diff"})
          with urllib.request.urlopen(req_diff) as r:
              diff = r.read().decode("utf-8", errors="replace")[:12000]

          # Fetch PR body
          req_pr = urllib.request.Request(
              f"https://api.github.com/repos/{repo}/pulls/{pr_num}", headers=headers_gh)
          with urllib.request.urlopen(req_pr) as r:
              pr_data = json.loads(r.read())
          pr_body = (pr_data.get("body") or "")[:800]

          prompt = f"""You are a senior iOS Swift developer reviewing a pull request.
          Analyse the changes carefully and write a concise code review.

          PR title: {os.environ["PR_TITLE"]}
          PR description: {pr_body}

          Git diff (may be truncated):
          {diff}

          Reply with EXACTLY this structure – no deviations:

          ### Claude

          DoD status: PASS
          Blocker: 0
          Major: 0

          <your review here – cover code quality, correctness, Swift best practices,
          potential bugs, and suggestions. Be specific and constructive.>

          Only set DoD status to FAIL or raise Blocker/Major above 0 when you find
          real defects that must be fixed before merging."""

          payload = json.dumps({
              "model": "claude-opus-4-6",
              "max_tokens": 1500,
              "messages": [{"role": "user", "content": prompt}]
          }).encode()
          req_ai = urllib.request.Request(
              "https://api.anthropic.com/v1/messages", data=payload,
              headers={"x-api-key": os.environ["ANTHROPIC_API_KEY"],
                       "anthropic-version": "2023-06-01",
                       "content-type": "application/json"})
          with urllib.request.urlopen(req_ai) as r:
              review = json.loads(r.read())["content"][0]["text"]

          # Post comment
          body_payload = json.dumps({"body": review}).encode()
          req_post = urllib.request.Request(
              f"https://api.github.com/repos/{repo}/issues/{pr_num}/comments",
              data=body_payload,
              headers={**headers_gh, "Content-Type": "application/json"})
          with urllib.request.urlopen(req_post) as r:
              result = json.loads(r.read())
          print(f"Claude review posted: {result['html_url']}")
          PYEOF

      - name: Generate ChatGPT review
        env:
          OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
          GITHUB_TOKEN: ${{ github.token }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          REPO: ${{ github.repository }}
          PR_TITLE: ${{ github.event.pull_request.title }}
        run: |
          set -euo pipefail
          if [ -z "${OPENAI_API_KEY:-}" ]; then
            echo "::notice::OPENAI_API_KEY not set – ChatGPT review skipped"
            exit 0
          fi
          python3 << 'PYEOF'
          import os, json, urllib.request

          token   = os.environ["GITHUB_TOKEN"]
          repo    = os.environ["REPO"]
          pr_num  = os.environ["PR_NUMBER"]
          headers_gh = {"Authorization": f"Bearer {token}", "User-Agent": "vanity-dev-engine",
                        "Accept": "application/vnd.github.v3+json"}

          # Skip if ChatGPT review already exists
          req = urllib.request.Request(
              f"https://api.github.com/repos/{repo}/issues/{pr_num}/comments?per_page=100",
              headers=headers_gh)
          with urllib.request.urlopen(req) as r:
              comments = json.loads(r.read())
          if any("### ChatGPT" in (c.get("body") or "") for c in comments):
              print("ChatGPT review already present – skipping generation.")
              raise SystemExit(0)

          # Fetch PR diff
          req_diff = urllib.request.Request(
              f"https://api.github.com/repos/{repo}/pulls/{pr_num}",
              headers={**headers_gh, "Accept": "application/vnd.github.v3.diff"})
          with urllib.request.urlopen(req_diff) as r:
              diff = r.read().decode("utf-8", errors="replace")[:12000]

          # Fetch PR body
          req_pr = urllib.request.Request(
              f"https://api.github.com/repos/{repo}/pulls/{pr_num}", headers=headers_gh)
          with urllib.request.urlopen(req_pr) as r:
              pr_data = json.loads(r.read())
          pr_body = (pr_data.get("body") or "")[:800]

          prompt = f"""You are a senior iOS Swift developer reviewing a pull request.
          Analyse the changes carefully and write a concise code review.

          PR title: {os.environ["PR_TITLE"]}
          PR description: {pr_body}

          Git diff (may be truncated):
          {diff}

          Reply with EXACTLY this structure – no deviations:

          ### ChatGPT

          DoD status: PASS
          Blocker: 0
          Major: 0

          <your review here – cover code quality, correctness, Swift best practices,
          potential bugs, and suggestions. Be specific and constructive.>

          Only set DoD status to FAIL or raise Blocker/Major above 0 when you find
          real defects that must be fixed before merging."""

          payload = json.dumps({
              "model": "gpt-4o",
              "max_tokens": 1500,
              "messages": [{"role": "user", "content": prompt}]
          }).encode()
          req_ai = urllib.request.Request(
              "https://api.openai.com/v1/chat/completions", data=payload,
              headers={"Authorization": f"Bearer {os.environ['OPENAI_API_KEY']}",
                       "content-type": "application/json"})
          with urllib.request.urlopen(req_ai) as r:
              review = json.loads(r.read())["choices"][0]["message"]["content"]

          # Post comment
          body_payload = json.dumps({"body": review}).encode()
          req_post = urllib.request.Request(
              f"https://api.github.com/repos/{repo}/issues/{pr_num}/comments",
              data=body_payload,
              headers={**headers_gh, "Content-Type": "application/json"})
          with urllib.request.urlopen(req_post) as r:
              result = json.loads(r.read())
          print(f"ChatGPT review posted: {result['html_url']}")
          PYEOF

      - name: Validate ChatGPT and Claude review status
        uses: actions/github-script@v7
        with:
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const pull_number = context.payload.pull_request
              ? context.payload.pull_request.number
              : context.payload.issue?.number;

            if (!pull_number) {
              core.setFailed("No pull request context found for ai-review validation.");
              return;
            }

            const pr = await github.rest.pulls.get({ owner, repo, pull_number });
            const comments = await github.paginate(github.rest.issues.listComments, {
              owner,
              repo,
              issue_number: pull_number,
              per_page: 100
            });

            const bodyParts = [pr.data.body || "", ...comments.map(c => c.body || "")];
            const allText = bodyParts.join("\n\n").toLowerCase();

            const hasSection = (name) => allText.includes(`### ${name}`.toLowerCase());
            const hasPass = (name) => {
              const regex = new RegExp(`###\\s*${name}[\\s\\S]*?dod status\\s*:\\s*pass`, "i");
              return bodyParts.some(part => regex.test(part || ""));
            };
            const hasZeroBlocker = (name) => {
              const regex = new RegExp(`###\\s*${name}[\\s\\S]*?blocker\\s*:\\s*0`, "i");
              return bodyParts.some(part => regex.test(part || ""));
            };
            const hasZeroMajor = (name) => {
              const regex = new RegExp(`###\\s*${name}[\\s\\S]*?major\\s*:\\s*0`, "i");
              return bodyParts.some(part => regex.test(part || ""));
            };

            const checks = [
              { name: "ChatGPT", section: hasSection("ChatGPT"), pass: hasPass("ChatGPT"), blocker: hasZeroBlocker("ChatGPT"), major: hasZeroMajor("ChatGPT") },
              { name: "Claude", section: hasSection("Claude"), pass: hasPass("Claude"), blocker: hasZeroBlocker("Claude"), major: hasZeroMajor("Claude") }
            ];

            const failures = checks.flatMap(c => {
              const missing = [];
              if (!c.section) missing.push("missing section");
              if (!c.pass) missing.push("missing `DoD status: PASS`");
              if (!c.blocker) missing.push("missing `Blocker: 0`");
              if (!c.major) missing.push("missing `Major: 0`");
              return missing.length ? [`${c.name}: ${missing.join(", ")}`] : [];
            });

            if (failures.length) {
              core.setFailed(`AI review gate failed:\n- ${failures.join("\n- ")}`);
            } else {
              core.info("AI review gate passed.");
            }