From 2b0cb6afe6789b5e83d41cc9da1fa415340d4421 Mon Sep 17 00:00:00 2001
From: Cyrmax <belousov.k.m@yandex.ru>
Date: Sat, 2 Jul 2022 13:04:48 +0300
Subject: [PATCH] Initial commit

---
 .gitignore  |   1 +
 Cargo.lock  | 340 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |  19 +++
 src/main.rs | 141 ++++++++++++++++++++++
 4 files changed, 501 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..d0fe100
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,340 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
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+
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+ "js-sys",
+ "wasm-bindgen",
+]
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+dependencies = [
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..c27b0c8
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,19 @@
+[package]
+name = "rpg"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+native-windows-derive = { version = "1.0.5"}
+native-windows-gui = { version = "1.0.12"}
+rand = "0.8.5"
+
+
+[profile.release]
+strip = true
+opt-level = "z"
+lto = true
+codegen-units = 1
+panic = "abort"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..6a9e4e4
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,141 @@
+#![windows_subsystem = "windows"]
+
+extern crate native_windows_gui as nwg;
+extern crate native_windows_derive as nwd;
+
+use nwd::NwgUi;
+use nwg::{NativeUi, CheckBoxState};
+use rand::prelude::*;
+
+
+enum Condition {
+    Lowercase, Uppercase, Digit
+}
+
+
+#[derive(Default, NwgUi)]
+pub struct RustPasswordGenerator {
+    
+    #[nwg_control(size: (300, 150), position: (300, 300), title: "Rust password generator")]
+    #[nwg_events( OnWindowClose: [ RustPasswordGenerator::exit ])]
+    window: nwg::Window,
+    
+    #[nwg_layout(parent: window, spacing: 5, min_size: [290, 140])]
+    grid: nwg::GridLayout,
+    
+    #[nwg_control(text: "Include uppercase letters", check_state: CheckBoxState::Checked)]
+    #[nwg_layout_item(layout: grid, col: 0, row: 0)]
+    upper_cb: nwg::CheckBox,
+    
+    #[nwg_control(text: "Include lowercase letters", check_state: CheckBoxState::Checked)]
+    #[nwg_layout_item(layout: grid, col: 1, row: 0)]
+    lower_cb: nwg::CheckBox,
+    
+    #[nwg_control(text: "Include numbers", check_state: CheckBoxState::Checked)]
+    #[nwg_layout_item(layout: grid, col: 2, row: 0)]
+    number_cb: nwg::CheckBox,
+    
+    #[nwg_control(text: "Password length")]
+    #[nwg_layout_item(layout: grid, col: 0, row: 1)]
+    pass_len_tb: nwg::Label,
+    
+    #[nwg_control(text: "12", flags: "VISIBLE|NUMBER", align: nwg::HTextAlign::Center, focus: true)]
+    #[nwg_layout_item(layout: grid, col: 1, row: 1, col_span: 3)]
+    passlen: nwg::TextInput,
+    
+    #[nwg_control(text: "Result")]
+    #[nwg_layout_item(layout: grid, col: 0, row: 2)]
+    result_tb: nwg::Label,
+    
+    #[nwg_control(text: "", align: nwg::HTextAlign::Center, readonly: true)]
+    #[nwg_layout_item(layout: grid, col: 1, row: 2, col_span: 5)]
+    result_text: nwg::TextInput,
+    
+    #[nwg_control(text: "Generate")]
+    #[nwg_layout_item(layout: grid, col: 4, row: 3)]
+    #[nwg_events( OnButtonClick: [ RustPasswordGenerator::generate_password ] )]
+    generate_btn: nwg::Button
+}
+
+
+impl RustPasswordGenerator {
+    fn generate_password(&self) {
+        let is_upper = state_to_bool(self.upper_cb.check_state());
+        let is_lower = state_to_bool(self.lower_cb.check_state());
+        let is_number = state_to_bool(self.number_cb.check_state());
+        
+        if !(is_lower || is_upper || is_number) {
+            self.show_error("You should select at least one symbol group");
+            return;
+        }
+        
+        if self.passlen.len() < 1 {
+            self.show_error("Password can not be 0 symbols in length");
+            return;
+        }
+        
+        let pass_length: u32 = self.passlen.text().parse().unwrap();
+        if pass_length < 1 {
+            self.show_error("Password length cannot be less than 1");
+            return;
+        }
+
+        let mut password = String::new();
+        for _ in 0..pass_length {
+            password.push(get_random_symbol(is_upper, is_lower, is_number));
+        }
+        self.result_text.set_text(&password);
+    }
+    
+    fn show_error(&self, message: &str) {
+        nwg::modal_error_message(&self.window, "error!", message);
+    }
+    
+    
+    fn exit(&self) {
+        nwg::stop_thread_dispatch();
+    }
+}
+
+
+fn main() {
+    nwg::init().expect("failed to init nwg");
+    nwg::Font::set_global_family("Segoe UI").expect("failed to set font");
+    let _rpg = RustPasswordGenerator::build_ui(Default::default()).expect("failed to build UI");
+    
+    nwg::dispatch_thread_events();
+}
+
+
+fn get_random_symbol(include_upper: bool, include_lower: bool, include_num: bool) -> char {
+    let mut generator = rand::thread_rng();
+    let mut choices: Vec<Condition> = Vec::new();
+    
+    if include_lower {
+        choices.push(Condition::Lowercase);
+    }
+    
+    if include_upper {
+        choices.push(Condition::Uppercase);
+    }
+    
+    if include_num {
+        choices.push(Condition::Digit);
+    }
+    
+    let choice = &choices[generator.gen_range(0..choices.len())];
+    
+    match choice {
+        Condition::Digit => char::from(generator.gen_range(48..58)),
+        Condition::Lowercase => char::from(generator.gen_range(97..123)),
+        Condition::Uppercase => char::from(generator.gen_range(65..91))
+    }
+}
+
+
+fn state_to_bool(state: nwg::CheckBoxState) -> bool {
+    match state {
+        CheckBoxState::Checked => true,
+        _ => false
+    }
+}
\ No newline at end of file