initial: add login

app/auth/login.tsx

@@ -0,0 +1,235 @@
+import { ThemedText } from "@/components/themed-text";
+import { ThemedView } from "@/components/themed-view";
+import { showToastError } from "@/config";
+import { TOKEN } from "@/constants";
+import { login } from "@/controller/AuthController";
+import {
+  getStorageItem,
+  removeStorageItem,
+  setStorageItem,
+} from "@/utils/storage";
+import { parseJwtToken } from "@/utils/token";
+import { useRouter } from "expo-router";
+import React, { useCallback, useEffect, useState } from "react";
+import {
+  ActivityIndicator,
+  KeyboardAvoidingView,
+  Platform,
+  ScrollView,
+  StyleSheet,
+  Text,
+  TextInput,
+  TouchableOpacity,
+  View,
+} from "react-native";
+
+export default function LoginScreen() {
+  const router = useRouter();
+  const [username, setUsername] = useState("");
+  const [password, setPassword] = useState("");
+  const [loading, setLoading] = useState(false);
+
+  const checkLogin = useCallback(async () => {
+    const token = await getStorageItem(TOKEN);
+    if (!token) {
+      return;
+    }
+    const parsed = parseJwtToken(token);
+    console.log("Parse Token: ", parsed);
+
+    const { exp } = parsed;
+    const now = Math.floor(Date.now() / 1000);
+    const oneHour = 60 * 60;
+    if (exp - now < oneHour) {
+      await removeStorageItem(TOKEN);
+    } else {
+      router.replace("/(tabs)");
+    }
+  }, [router]);
+
+  useEffect(() => {
+    checkLogin();
+  }, [checkLogin]);
+
+  const handleLogin = async () => {
+    // Validate input
+    if (!username.trim() || !password.trim()) {
+      showToastError("Lỗi", "Vui lòng nhập tài khoản và mật khẩu");
+      return;
+    }
+
+    setLoading(true);
+    try {
+      const body: Model.LoginRequestBody = {
+        username: username,
+        password: password,
+      };
+
+      const response = await login(body);
+
+      // Nếu thành công, lưu token và chuyển sang (tabs)
+      console.log("Login thành công với data:", response.data);
+      if (response?.data.token) {
+        // Lưu token vào storage nếu cần (thêm logic này sau)
+        await setStorageItem(TOKEN, response.data.token);
+        console.log("Token:", response.data.token);
+        router.replace("/(tabs)");
+      }
+    } catch (error) {
+      showToastError(
+        "Lỗi",
+        error instanceof Error ? error.message : "Đăng nhập thất bại"
+      );
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <KeyboardAvoidingView
+      behavior={Platform.OS === "ios" ? "padding" : "height"}
+      style={{ flex: 1 }}
+    >
+      <ScrollView contentContainerStyle={styles.scrollContainer}>
+        <ThemedView style={styles.container}>
+          {/* Header */}
+          <View style={styles.headerContainer}>
+            <ThemedText type="title" style={styles.title}>
+              SGW App
+            </ThemedText>
+            <ThemedText style={styles.subtitle}>
+              Đăng nhập để tiếp tục
+            </ThemedText>
+          </View>
+
+          {/* Form */}
+          <View style={styles.formContainer}>
+            {/* Username Input */}
+            <View style={styles.inputGroup}>
+              <ThemedText style={styles.label}>Tài khoản</ThemedText>
+              <TextInput
+                style={styles.input}
+                placeholder="Nhập tài khoản"
+                placeholderTextColor="#999"
+                value={username}
+                onChangeText={setUsername}
+                editable={!loading}
+                autoCapitalize="none"
+              />
+            </View>
+
+            {/* Password Input */}
+            <View style={styles.inputGroup}>
+              <ThemedText style={styles.label}>Mật khẩu</ThemedText>
+              <TextInput
+                style={styles.input}
+                placeholder="Nhập mật khẩu"
+                placeholderTextColor="#999"
+                value={password}
+                onChangeText={setPassword}
+                secureTextEntry
+                editable={!loading}
+                autoCapitalize="none"
+              />
+            </View>
+
+            {/* Login Button */}
+            <TouchableOpacity
+              style={[
+                styles.loginButton,
+                loading && styles.loginButtonDisabled,
+              ]}
+              onPress={handleLogin}
+              disabled={loading}
+            >
+              {loading ? (
+                <ActivityIndicator color="#fff" size="small" />
+              ) : (
+                <Text style={styles.loginButtonText}>Đăng nhập</Text>
+              )}
+            </TouchableOpacity>
+
+            {/* Footer text */}
+            <View style={styles.footerContainer}>
+              <ThemedText style={styles.footerText}>
+                Chưa có tài khoản?{" "}
+                <Text style={styles.linkText}>Đăng ký ngay</Text>
+              </ThemedText>
+            </View>
+          </View>
+        </ThemedView>
+      </ScrollView>
+    </KeyboardAvoidingView>
+  );
+}
+
+const styles = StyleSheet.create({
+  scrollContainer: {
+    flexGrow: 1,
+    justifyContent: "center",
+  },
+  container: {
+    flex: 1,
+    paddingHorizontal: 20,
+    justifyContent: "center",
+  },
+  headerContainer: {
+    marginBottom: 40,
+    alignItems: "center",
+  },
+  title: {
+    fontSize: 32,
+    fontWeight: "bold",
+    marginBottom: 8,
+  },
+  subtitle: {
+    fontSize: 16,
+    opacity: 0.7,
+  },
+  formContainer: {
+    gap: 16,
+  },
+  inputGroup: {
+    gap: 8,
+  },
+  label: {
+    fontSize: 14,
+    fontWeight: "600",
+  },
+  input: {
+    borderWidth: 1,
+    borderColor: "#ddd",
+    borderRadius: 8,
+    paddingHorizontal: 12,
+    paddingVertical: 12,
+    fontSize: 16,
+    backgroundColor: "#f5f5f5",
+    color: "#000",
+  },
+  loginButton: {
+    backgroundColor: "#007AFF",
+    paddingVertical: 14,
+    borderRadius: 8,
+    alignItems: "center",
+    marginTop: 16,
+  },
+  loginButtonDisabled: {
+    opacity: 0.6,
+  },
+  loginButtonText: {
+    color: "#fff",
+    fontSize: 16,
+    fontWeight: "600",
+  },
+  footerContainer: {
+    marginTop: 16,
+    alignItems: "center",
+  },
+  footerText: {
+    fontSize: 14,
+  },
+  linkText: {
+    color: "#007AFF",
+    fontWeight: "600",
+  },
+});