#!/usr/bin/env npx tsx
/**
 * Jira admin helper for migration (CF-762)
 * Usage:
 *   npx tsx scripts/jira-admin.ts get-project CF
 *   npx tsx scripts/jira-admin.ts delete-project CF
 *   npx tsx scripts/jira-admin.ts create-project CF "Claude Framework"
 *   npx tsx scripts/jira-admin.ts count-issues CF
 *   npx tsx scripts/jira-admin.ts delete-all-issues CF
 */

import dotenv from 'dotenv';
import { dirname, join } from 'path';
import { fileURLToPath } from 'url';

const __dirname = dirname(fileURLToPath(import.meta.url));
dotenv.config({ path: join(__dirname, '..', '.env'), override: true });

const JIRA_URL = process.env.JIRA_URL || 'https://agiliton.atlassian.net';
const JIRA_USER = process.env.JIRA_USERNAME || process.env.JIRA_EMAIL || '';
const JIRA_TOKEN = process.env.JIRA_API_TOKEN || '';
const JIRA_AUTH = Buffer.from(`${JIRA_USER}:${JIRA_TOKEN}`).toString('base64');

async function jiraFetch(path: string, options: RequestInit = {}): Promise<Response> {
  const url = path.startsWith('http') ? path : `${JIRA_URL}/rest/api/3${path}`;
  return fetch(url, {
    ...options,
    headers: {
      'Authorization': `Basic ${JIRA_AUTH}`,
      'Content-Type': 'application/json',
      'Accept': 'application/json',
      ...options.headers,
    },
  });
}

function delay(ms: number): Promise<void> {
  return new Promise(resolve => setTimeout(resolve, ms));
}

const [command, ...cmdArgs] = process.argv.slice(2);

async function main() {
  switch (command) {
    case 'get-project': {
      const key = cmdArgs[0];
      const res = await jiraFetch(`/project/${key}`);
      if (!res.ok) {
        console.error(`Failed: ${res.status} ${await res.text()}`);
        return;
      }
      const data = await res.json() as Record<string, unknown>;
      console.log(JSON.stringify(data, null, 2));
      break;
    }

    case 'list-projects': {
      const res = await jiraFetch('/project');
      if (!res.ok) {
        console.error(`Failed: ${res.status} ${await res.text()}`);
        return;
      }
      const projects = await res.json() as Array<{ key: string; name: string; id: string; projectTypeKey: string }>;
      console.log(`Total: ${projects.length} projects`);
      for (const p of projects) {
        console.log(`  ${p.key}: ${p.name} (id=${p.id}, type=${p.projectTypeKey})`);
      }
      break;
    }

    case 'count-issues': {
      const key = cmdArgs[0];
      const res = await jiraFetch(`/search/jql`, {
        method: 'POST',
        body: JSON.stringify({ jql: `project="${key}"`, maxResults: 1 }),
      });
      if (!res.ok) {
        console.error(`Failed: ${res.status} ${await res.text()}`);
        return;
      }
      const data = await res.json() as { total: number };
      console.log(`${key}: ${data.total} issues`);
      break;
    }

    case 'list-issues': {
      const key = cmdArgs[0];
      const max = parseInt(cmdArgs[1] || '20');
      const res = await jiraFetch(`/search/jql`, {
        method: 'POST',
        body: JSON.stringify({ jql: `project="${key}" ORDER BY key ASC`, maxResults: max, fields: ['key', 'summary', 'issuetype', 'status'] }),
      });
      if (!res.ok) {
        console.error(`Failed: ${res.status} ${await res.text()}`);
        return;
      }
      const data = await res.json() as { total: number; issues: Array<{ key: string; fields: { summary: string; issuetype: { name: string }; status: { name: string } } }> };
      console.log(`${key}: ${data.total} total issues (showing ${data.issues.length})`);
      for (const i of data.issues) {
        console.log(`  ${i.key} [${i.fields.issuetype.name}] ${i.fields.status.name}: ${i.fields.summary.substring(0, 60)}`);
      }
      break;
    }

    case 'delete-all-issues': {
      const key = cmdArgs[0];
      if (!key) { console.error('Usage: delete-all-issues <PROJECT_KEY>'); return; }

      // Get all issues
      let startAt = 0;
      const allKeys: string[] = [];
      while (true) {
        const res = await jiraFetch(`/search/jql`, {
          method: 'POST',
          body: JSON.stringify({ jql: `project="${key}" ORDER BY key ASC`, maxResults: 100, startAt, fields: ['key'] }),
        });
        if (!res.ok) { console.error(`Failed: ${res.status} ${await res.text()}`); return; }
        const data = await res.json() as { total: number; issues: Array<{ key: string }> };
        if (data.issues.length === 0) break;
        allKeys.push(...data.issues.map(i => i.key));
        startAt += data.issues.length;
        if (startAt >= data.total) break;
      }

      console.log(`Found ${allKeys.length} issues to delete in ${key}`);

      for (let i = 0; i < allKeys.length; i++) {
        await delay(300);
        const res = await jiraFetch(`/issue/${allKeys[i]}`, { method: 'DELETE' });
        if (!res.ok) {
          console.error(`  FAIL delete ${allKeys[i]}: ${res.status}`);
        }
        if (i % 10 === 0) console.log(`  [${i + 1}/${allKeys.length}] Deleted ${allKeys[i]}`);
      }
      console.log(`Deleted ${allKeys.length} issues from ${key}`);
      break;
    }

    case 'delete-project': {
      const key = cmdArgs[0];
      if (!key) { console.error('Usage: delete-project <PROJECT_KEY>'); return; }

      // enableUndo=false for permanent deletion
      const res = await jiraFetch(`/project/${key}?enableUndo=false`, { method: 'DELETE' });
      if (res.status === 204) {
        console.log(`Project ${key} deleted permanently`);
      } else {
        console.error(`Failed: ${res.status} ${await res.text()}`);
      }
      break;
    }

    case 'create-project': {
      const key = cmdArgs[0];
      const name = cmdArgs[1] || key;
      if (!key) { console.error('Usage: create-project <KEY> <NAME>'); return; }

      // Get current user account ID for lead
      const meRes = await jiraFetch('/myself');
      const me = await meRes.json() as { accountId: string };

      const body = {
        key,
        name,
        projectTypeKey: 'business',
        leadAccountId: me.accountId,
        assigneeType: 'UNASSIGNED',
      };

      const res = await jiraFetch('/project', {
        method: 'POST',
        body: JSON.stringify(body),
      });

      if (res.ok || res.status === 201) {
        const data = await res.json() as { id: string; key: string };
        console.log(`Project created: ${data.key} (id=${data.id})`);
      } else {
        console.error(`Failed: ${res.status} ${await res.text()}`);
      }
      break;
    }

    case 'get-schemes': {
      const key = cmdArgs[0];
      // Get issue type scheme for project
      const res = await jiraFetch(`/project/${key}`);
      if (!res.ok) {
        console.error(`Failed: ${res.status} ${await res.text()}`);
        return;
      }
      const data = await res.json() as Record<string, unknown>;
      console.log('Project type:', (data as any).projectTypeKey);
      console.log('Style:', (data as any).style);

      // Get issue types
      const itRes = await jiraFetch(`/project/${key}/statuses`);
      if (itRes.ok) {
        const itData = await itRes.json() as Array<{ name: string; id: string; statuses: Array<{ name: string }> }>;
        console.log('\nIssue types and statuses:');
        for (const it of itData) {
          console.log(`  ${it.name} (id=${it.id}): ${it.statuses.map(s => s.name).join(', ')}`);
        }
      }
      break;
    }

    default:
      console.log('Commands: list-projects, get-project, count-issues, list-issues, delete-all-issues, delete-project, create-project, get-schemes');
  }
}

main().catch(err => { console.error(err); process.exit(1); });