name: Squad Issue Assign

on:
  issues:
    types: [labeled]

permissions:
  issues: write
  contents: read

jobs:
  assign-work:
    # Only trigger on squad:{member} labels (not the base "squad" label)
    if: startsWith(github.event.label.name, 'squad:')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Identify assigned member and trigger work
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const issue = context.payload.issue;
            const label = context.payload.label.name;

            // Extract member name from label (e.g., "squad:ripley" → "ripley")
            const memberName = label.replace('squad:', '').toLowerCase();

            // Read team roster — check .squad/ first, fall back to .ai-team/
            let teamFile = '.squad/team.md';
            if (!fs.existsSync(teamFile)) {
              teamFile = '.ai-team/team.md';
            }
            if (!fs.existsSync(teamFile)) {
              core.warning('No .squad/team.md or .ai-team/team.md found — cannot assign work');
              return;
            }

            const content = fs.readFileSync(teamFile, 'utf8');
            const lines = content.split('\n');

            // Check if this is a coding agent assignment
            const isCopilotAssignment = memberName === 'copilot';

            let assignedMember = null;
            if (isCopilotAssignment) {
              assignedMember = { name: '@copilot', role: 'Coding Agent' };
            } else {
              let inMembersTable = false;
              for (const line of lines) {
                if (line.match(/^##\s+(Members|Team Roster)/i)) {
                  inMembersTable = true;
                  continue;
                }
                if (inMembersTable && line.startsWith('## ')) {
                  break;
                }
                if (inMembersTable && line.startsWith('|') && !line.includes('---') && !line.includes('Name')) {
                  const cells = line.split('|').map(c => c.trim()).filter(Boolean);
                  if (cells.length >= 2 && cells[0].toLowerCase() === memberName) {
                    assignedMember = { name: cells[0], role: cells[1] };
                    break;
                  }
                }
              }
            }

            if (!assignedMember) {
              core.warning(`No member found matching label "${label}"`);
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: issue.number,
                body: `⚠️ No squad member found matching label \`${label}\`. Check \`.squad/team.md\` (or \`.ai-team/team.md\`) for valid member names.`
              });
              return;
            }

            // Post assignment acknowledgment
            let comment;
            if (isCopilotAssignment) {
              comment = [
                `### 🤖 Routed to @copilot (Coding Agent)`,
                '',
                `**Issue:** #${issue.number} — ${issue.title}`,
                '',
                `@copilot has been assigned and will pick this up automatically.`,
                '',
                `> The coding agent will create a \`copilot/*\` branch and open a draft PR.`,
                `> Review the PR as you would any team member's work.`,
              ].join('\n');
            } else {
              comment = [
                `### 📋 Assigned to ${assignedMember.name} (${assignedMember.role})`,
                '',
                `**Issue:** #${issue.number} — ${issue.title}`,
                '',
                `${assignedMember.name} will pick this up in the next Copilot session.`,
                '',
                `> **For Copilot coding agent:** If enabled, this issue will be worked automatically.`,
                `> Otherwise, start a Copilot session and say:`,
                `> \`${assignedMember.name}, work on issue #${issue.number}\``,
              ].join('\n');
            }

            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: issue.number,
              body: comment
            });

            core.info(`Issue #${issue.number} assigned to ${assignedMember.name} (${assignedMember.role})`);

      # Separate step: assign @copilot using PAT (required for coding agent)
      - name: Assign @copilot coding agent
        if: github.event.label.name == 'squad:copilot'
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.COPILOT_ASSIGN_TOKEN }}
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;
            const issue_number = context.payload.issue.number;

            // Get the default branch name (main, master, etc.)
            const { data: repoData } = await github.rest.repos.get({ owner, repo });
            const baseBranch = repoData.default_branch;

            try {
              await github.request('POST /repos/{owner}/{repo}/issues/{issue_number}/assignees', {
                owner,
                repo,
                issue_number,
                assignees: ['copilot-swe-agent[bot]'],
                agent_assignment: {
                  target_repo: `${owner}/${repo}`,
                  base_branch: baseBranch,
                  custom_instructions: '',
                  custom_agent: '',
                  model: ''
                },
                headers: {
                  'X-GitHub-Api-Version': '2022-11-28'
                }
              });
              core.info(`Assigned copilot-swe-agent to issue #${issue_number} (base: ${baseBranch})`);
            } catch (err) {
              core.warning(`Assignment with agent_assignment failed: ${err.message}`);
              // Fallback: try without agent_assignment
              try {
                await github.rest.issues.addAssignees({
                  owner, repo, issue_number,
                  assignees: ['copilot-swe-agent']
                });
                core.info(`Fallback assigned copilot-swe-agent to issue #${issue_number}`);
              } catch (err2) {
                core.warning(`Fallback also failed: ${err2.message}`);
              }
            }