---
import FormHint from '@ui/FormHint.astro'
import Button from '@ui/Button.astro'
import InputGroup from '@ui/InputGroup.astro'
import FormGroup from '@ui/FormGroup.astro'
---

<div class="modal-header">
  <h4 class="modal-title" id="modal-change-password-title">Change password</h4>
  <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
</div>

<div class="modal-body">
  <form>
    <FormGroup label="Current password" for="password-current" class="mb-4">
      <InputGroup type="password" id="password-current" placeholder="Enter your current password" autocomplete="current-password" appendButton={[{ icon: 'eye', description: 'Show password' }]} flat />
    </FormGroup>

    <FormGroup label="New password" for="password-new" class="mb-4">
      <InputGroup type="password" id="password-new" placeholder="Enter new password" autocomplete="new-password" appendButton={[{ icon: 'eye', description: 'Show password' }]} flat />
      <FormHint as="small"> Your password must be 8-20 characters long, contain letters and numbers, and must not contain spaces, special characters, or emoji. </FormHint>
      <div class="mt-2">
        <div class="progress" style="height: 4px;">
          <div class="progress-bar" id="password-strength" role="progressbar" style="width: 0%" aria-label="Password strength" aria-valuemin="0" aria-valuemax="5" aria-valuenow="0"></div>
        </div>
        <div class="text-secondary text-xs mt-1" id="password-strength-text" aria-live="polite"></div>
      </div>
    </FormGroup>

    <FormGroup label="Confirm new password" for="password-confirm" class="mb-4">
      <InputGroup type="password" id="password-confirm" placeholder="Confirm your new password" autocomplete="new-password" appendButton={[{ icon: 'eye', description: 'Show password' }]} flat />
      <div class="invalid-feedback d-none" id="password-match-error" role="alert">Passwords do not match.</div>
    </FormGroup>

    <Button type="submit" text="Update password" color="primary" block class="mt-4" />
  </form>
</div>
<!-- BEGIN CHANGE PASSWORD -->
<script>
  // Password show/hide toggles are wired generically by InputGroup.astro (data-password-toggle).
  const newPasswordInput = document.getElementById('password-new') as HTMLInputElement | null
  const strengthBar = document.getElementById('password-strength')
  const strengthText = document.getElementById('password-strength-text')

  if (newPasswordInput && strengthBar && strengthText) {
    newPasswordInput.addEventListener('input', function (this: HTMLInputElement) {
      const password = this.value
      let strength = 0

      if (password.length >= 8) strength++
      if (password.length >= 12) strength++
      if (/[a-z]/.test(password) && /[A-Z]/.test(password)) strength++
      if (/\d/.test(password)) strength++
      if (/[^a-zA-Z0-9]/.test(password)) strength++

      const percentage = (strength / 5) * 100
      strengthBar.style.width = `${percentage}%`
      strengthBar.setAttribute('aria-valuenow', String(strength))

      const strengthLevels = ['bg-danger', 'bg-danger', 'bg-danger', 'bg-warning', 'bg-info', 'bg-success']
      const strengthLabels = ['Weak', 'Weak', 'Weak', 'Fair', 'Good', 'Strong']
      strengthBar.className = `progress-bar ${strengthLevels[strength]}`
      strengthBar.setAttribute('aria-valuetext', password ? (strengthLabels[strength] ?? '') : 'Empty')
      strengthText.textContent = password ? (strengthLabels[strength] ?? '') : ''
    })
  }

  const confirmPasswordInput = document.getElementById('password-confirm') as HTMLInputElement | null
  const matchError = document.getElementById('password-match-error')

  if (newPasswordInput && confirmPasswordInput && matchError) {
    const validateMatch = () => {
      const newPassword = newPasswordInput.value
      const confirmPassword = confirmPasswordInput.value

      if (confirmPassword && newPassword !== confirmPassword) {
        confirmPasswordInput.classList.add('is-invalid')
        confirmPasswordInput.setAttribute('aria-invalid', 'true')
        confirmPasswordInput.setAttribute('aria-describedby', 'password-match-error')
        matchError.classList.remove('d-none')
      } else {
        confirmPasswordInput.classList.remove('is-invalid')
        confirmPasswordInput.removeAttribute('aria-invalid')
        confirmPasswordInput.removeAttribute('aria-describedby')
        matchError.classList.add('d-none')
      }
    }

    newPasswordInput.addEventListener('input', validateMatch)
    confirmPasswordInput.addEventListener('input', validateMatch)
  }
</script>
<!-- END CHANGE PASSWORD -->