From f0dffa6cad0441d6843e48aad0d16cd264bd327d Mon Sep 17 00:00:00 2001
From: Grzegorz Kucmierz <gkucmierz@gmail.com>
Date: Thu, 26 Feb 2026 23:19:13 +0000
Subject: [PATCH] feat: implement bulk passwords generator

---
 src/components/tools/Passwords.vue | 299 ++++++++++++++++++++++++++++-
 1 file changed, 297 insertions(+), 2 deletions(-)

diff --git a/src/components/tools/Passwords.vue b/src/components/tools/Passwords.vue
index b2c0fab..0d6d5df 100644
--- a/src/components/tools/Passwords.vue
+++ b/src/components/tools/Passwords.vue
@@ -1,15 +1,310 @@
 <script setup>
+import { ref } from 'vue';
+
+// Options
+const useLower = ref(true);
+const useUpper = ref(true);
+const useDigits = ref(true);
+const useSpecial = ref(false);
+const skipSimilar = ref(true);
+const length = ref(16);
+const count = ref(20);
+
+// Result
+const result = ref('');
+
+// Character Sets
+const CHARS_LOWER = 'abcdefghijklmnopqrstuvwxyz';
+const CHARS_UPPER = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
+const CHARS_DIGITS = '0123456789';
+const CHARS_SPECIAL = '!@#$%^&*()_+~`|}{[]:;?><,./-=';
+const CHARS_SIMILAR = /[Il1O0o]/g;
+
+const generatePasswords = () => {
+  let charset = '';
+  if (useLower.value) charset += CHARS_LOWER;
+  if (useUpper.value) charset += CHARS_UPPER;
+  if (useDigits.value) charset += CHARS_DIGITS;
+  if (useSpecial.value) charset += CHARS_SPECIAL;
+
+  if (skipSimilar.value) {
+    charset = charset.replace(CHARS_SIMILAR, '');
+  }
+
+  if (!charset) {
+    result.value = 'Please select at least one character set.';
+    return;
+  }
+
+  const passwords = [];
+  const charsetLength = charset.length;
+
+  // We need (count * length) random values.
+  // However, crypto.getRandomValues has a limit on array size (65536 bytes).
+  // So we'll generate one random value per character needed in a loop or batch.
+  // For simplicity and safety, let's generate per password or per character if needed.
+  // The most robust way for "bulk" is to just loop.
+
+  for (let i = 0; i < count.value; i++) {
+    let password = '';
+    // Create a typed array for the random values for this password
+    const randomValues = new Uint32Array(length.value);
+    crypto.getRandomValues(randomValues);
+
+    for (let j = 0; j < length.value; j++) {
+      // Use modulo to map the random 32-bit integer to a charset index
+      // Note: This introduces a tiny bias if charsetLength is not a power of 2,
+      // but for typical password generation it is negligible compared to Math.random().
+      // For cryptographic perfection, rejection sampling would be needed,
+      // but this is standard practice for password managers.
+      const randomIndex = randomValues[j] % charsetLength;
+      password += charset[randomIndex];
+    }
+    passwords.push(password);
+  }
+
+  result.value = passwords.join('\n');
+};
 </script>
 
 <template>
   <div class="passwords-tool">
-    <h2>Passwords Generator</h2>
-    <p>This is the passwords generator tool (work in progress).</p>
+    <div class="glass-panel tool-panel">
+      <h2 class="tool-title">Bulk Passwords Generator</h2>
+
+      <div class="options-grid">
+        <div class="checkbox-group">
+          <label class="checkbox-label">
+            <input type="checkbox" v-model="useLower">
+            <span class="checkmark"></span>
+            Lower Case (a-z)
+          </label>
+          <label class="checkbox-label">
+            <input type="checkbox" v-model="useUpper">
+            <span class="checkmark"></span>
+            Upper Case (A-Z)
+          </label>
+          <label class="checkbox-label">
+            <input type="checkbox" v-model="useDigits">
+            <span class="checkmark"></span>
+            Digits (0-9)
+          </label>
+          <label class="checkbox-label">
+            <input type="checkbox" v-model="useSpecial">
+            <span class="checkmark"></span>
+            Special Chars
+          </label>
+          <label class="checkbox-label">
+            <input type="checkbox" v-model="skipSimilar">
+            <span class="checkmark"></span>
+            Skip Similar Chars (I, l, 1, O, 0, o)
+          </label>
+        </div>
+
+        <div class="inputs-group">
+          <div class="input-wrapper">
+            <label>Password Length</label>
+            <input type="number" v-model="length" min="4" max="128" class="number-input">
+          </div>
+          <div class="input-wrapper">
+            <label>Passwords Number</label>
+            <input type="number" v-model="count" min="1" max="1000" class="number-input">
+          </div>
+        </div>
+      </div>
+
+      <div class="action-area">
+        <button class="btn-neon generate-btn" @click="generatePasswords" v-ripple>
+          Generate
+        </button>
+      </div>
+
+      <div class="result-area">
+        <label>Passwords</label>
+        <textarea
+          class="result-textarea glass-panel"
+          v-model="result"
+          placeholder="Generated passwords will appear here..."
+        ></textarea>
+      </div>
+    </div>
   </div>
 </template>
 
 <style scoped>
 .passwords-tool {
+  display: flex;
+  justify-content: center;
+  width: 100%;
+  max-width: 800px;
+  margin: 0 auto;
+}
+
+.tool-panel {
+  width: 100%;
+  padding: 2rem;
+  border-radius: 16px;
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem;
+}
+
+.tool-title {
+  margin: 0;
+  font-size: 1.5rem;
+  font-weight: 600;
+  background: var(--title-gradient);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  filter: drop-shadow(0 0 10px var(--title-glow));
+}
+
+.options-grid {
+  display: flex;
+  flex-direction: column;
+  gap: 1.5rem;
+}
+
+.checkbox-group {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+  gap: 1rem;
+}
+
+.checkbox-label {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  cursor: pointer;
+  user-select: none;
+  color: var(--text-secondary);
+  font-weight: 500;
+}
+
+.checkbox-label input {
+  position: absolute;
+  opacity: 0;
+  cursor: pointer;
+  height: 0;
+  width: 0;
+}
+
+.checkmark {
+  position: relative;
+  height: 20px;
+  width: 20px;
+  background-color: var(--toggle-bg);
+  border: 1px solid var(--toggle-border);
+  border-radius: 4px;
+  transition: all 0.2s ease;
+}
+
+.checkbox-label:hover input ~ .checkmark {
+  border-color: var(--accent-cyan);
+}
+
+.checkbox-label input:checked ~ .checkmark {
+  background-color: var(--accent-cyan);
+  border-color: var(--accent-cyan);
+}
+
+.checkmark:after {
+  content: "";
+  position: absolute;
+  display: none;
+}
+
+.checkbox-label input:checked ~ .checkmark:after {
+  display: block;
+}
+
+.checkbox-label .checkmark:after {
+  left: 6px;
+  top: 2px;
+  width: 5px;
+  height: 10px;
+  border: solid white;
+  border-width: 0 2px 2px 0;
+  transform: rotate(45deg);
+}
+
+.inputs-group {
+  display: flex;
+  gap: 2rem;
+  flex-wrap: wrap;
+}
+
+.input-wrapper {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+  flex: 1;
+  min-width: 200px;
+}
+
+.input-wrapper label {
+  font-size: 0.9rem;
+  color: var(--text-muted);
+  font-weight: 600;
+}
+
+.number-input {
+  background: var(--toggle-bg);
+  border: 1px solid var(--toggle-border);
+  color: var(--text-color);
+  padding: 10px 15px;
+  border-radius: 8px;
+  font-size: 1rem;
+  outline: none;
+  transition: border-color 0.2s;
+}
+
+.number-input:focus {
+  border-color: var(--accent-cyan);
+}
+
+.action-area {
+  display: flex;
+  justify-content: flex-end; /* Align button to right */
+}
+
+.generate-btn {
+  width: 100%;
+  padding: 12px;
+  font-size: 1.1rem;
+  letter-spacing: 0.5px;
+}
+
+.result-area {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.result-area label {
+  font-size: 0.9rem;
+  color: var(--text-muted);
+  font-weight: 600;
+  border-left: 3px solid var(--accent-purple);
+  padding-left: 10px;
+}
+
+.result-textarea {
+  width: 100%;
+  height: 300px;
+  background: rgba(0, 0, 0, 0.2); /* Slightly darker for contrast */
+  color: var(--text-color);
+  border: 1px solid var(--accent-purple);
   padding: 1rem;
+  border-radius: 8px;
+  font-family: monospace;
+  font-size: 1rem;
+  line-height: 1.5;
+  resize: vertical;
+  outline: none;
+}
+
+:root[data-theme="light"] .result-textarea {
+  background: rgba(255, 255, 255, 0.5);
 }
 </style>