import { describe, test, expect } from 'vitest'
import { getToolLabel } from './get-tool-label'
import type { ChatToolItem } from '../types'

describe('getToolLabel', () => {
  test('uses runningLabel when status is running', () => {
    const tool: ChatToolItem = {
      id: '1',
      name: 'execute_sql',
      status: 'running',
      runningLabel: 'Running query',
    }
    expect(getToolLabel(tool)).toBe('Running query')
  })

  test('falls back to capitalized name when running without runningLabel', () => {
    const tool: ChatToolItem = {
      id: '1',
      name: 'execute_sql',
      status: 'running',
    }
    expect(getToolLabel(tool)).toBe('Execute sql')
  })

  test('uses label for completed status', () => {
    const tool: ChatToolItem = {
      id: '1',
      name: 'execute_sql',
      status: 'complete',
      label: 'Database query',
    }
    expect(getToolLabel(tool)).toBe('Database query')
  })

  test('uses label for error status', () => {
    const tool: ChatToolItem = {
      id: '1',
      name: 'execute_sql',
      status: 'error',
      label: 'Database query',
    }
    expect(getToolLabel(tool)).toBe('Database query')
  })

  test('falls back to capitalized name for non-running without label', () => {
    const tool: ChatToolItem = {
      id: '1',
      name: 'add_marker',
      status: 'complete',
    }
    expect(getToolLabel(tool)).toBe('Add marker')
  })

  test('replaces underscores with spaces and capitalizes first letter', () => {
    const tool: ChatToolItem = {
      id: '1',
      name: 'geocode_address_v2',
      status: 'complete',
    }
    expect(getToolLabel(tool)).toBe('Geocode address v2')
  })

  test('preserves names that are already formatted', () => {
    const tool: ChatToolItem = {
      id: '1',
      name: 'Tool #1',
      status: 'complete',
    }
    expect(getToolLabel(tool)).toBe('Tool #1')
  })

  test('runningLabel does not leak into non-running statuses', () => {
    const tool: ChatToolItem = {
      id: '1',
      name: 'execute_sql',
      status: 'complete',
      runningLabel: 'Running query',
    }
    expect(getToolLabel(tool)).toBe('Execute sql')
  })

  test('label does not leak into running status', () => {
    const tool: ChatToolItem = {
      id: '1',
      name: 'execute_sql',
      status: 'running',
      label: 'Database query',
    }
    expect(getToolLabel(tool)).toBe('Execute sql')
  })
})