1 files changed, 267 insertions, 0 deletions
diff --git a/app/(auth)/reset-password.tsx b/app/(auth)/reset-password.tsx
new file mode 100644
index 0000000..a5f8388
--- /dev/null
+++ b/app/(auth)/reset-password.tsx
@@ -0,0 +1,267 @@
+import { Ionicons } from "@expo/vector-icons";
+import { router, useLocalSearchParams } from "expo-router";
+import { useEffect, useMemo, useState } from "react";
+import {
+  KeyboardAvoidingView,
+  Platform,
+  ScrollView,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  View,
+} from "react-native";
+import { SafeAreaView } from "react-native-safe-area-context";
+import { apiClient } from "../../api/client";
+import { t } from "../../lib/locales";
+import { colors } from "../../lib/theme";
+import { Button, H1, Muted, TextInput } from "../../lib/ui";
+
+type Mode = "request" | "confirm";
+
+export default function ResetPassword() {
+  const params = useLocalSearchParams<{ token?: string | string[] }>();
+  const tokenFromParams = useMemo(
+    () => (Array.isArray(params.token) ? params.token[0] : params.token) || "",
+    [params.token],
+  );
+  const [mode, setMode] = useState<Mode>(tokenFromParams ? "confirm" : "request");
+  const [email, setEmail] = useState("");
+  const [token, setToken] = useState(tokenFromParams);
+  const [password, setPassword] = useState("");
+  const [confirmPassword, setConfirmPassword] = useState("");
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState("");
+  const [success, setSuccess] = useState("");
+  const [emailError, setEmailError] = useState("");
+  const [tokenError, setTokenError] = useState("");
+  const [passwordError, setPasswordError] = useState("");
+  const [confirmPasswordError, setConfirmPasswordError] = useState("");
+
+  useEffect(() => {
+    if (!tokenFromParams) return;
+    setToken(tokenFromParams);
+    setMode("confirm");
+  }, [tokenFromParams]);
+
+  const resetFieldErrors = () => {
+    setEmailError("");
+    setTokenError("");
+    setPasswordError("");
+    setConfirmPasswordError("");
+  };
+
+  const validateRequest = () => {
+    resetFieldErrors();
+    const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
+    if (!emailRegex.test(email)) {
+      setEmailError(t("invalidEmail"));
+      return false;
+    }
+
+    return true;
+  };
+
+  const validateConfirm = () => {
+    resetFieldErrors();
+    let valid = true;
+
+    if (!token.trim()) {
+      setTokenError(t("resetTokenRequired"));
+      valid = false;
+    }
+
+    if (!password) {
+      setPasswordError(t("passwordRequired"));
+      valid = false;
+    } else if (password.length < 8) {
+      setPasswordError(t("passwordTooShort"));
+      valid = false;
+    }
+
+    if (password !== confirmPassword) {
+      setConfirmPasswordError(t("passwordsDoNotMatch"));
+      valid = false;
+    }
+
+    return valid;
+  };
+
+  const handleRequestReset = async () => {
+    if (!validateRequest()) return;
+
+    setLoading(true);
+    setError("");
+    setSuccess("");
+
+    try {
+      const result = await apiClient.requestPasswordReset(email.trim());
+      if (!result.success) {
+        setError(result.reason || t("resetPasswordError"));
+        return;
+      }
+
+      setSuccess(t("passwordResetEmailSent"));
+    } catch {
+      setError(t("resetPasswordError"));
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleConfirmReset = async () => {
+    if (!validateConfirm()) return;
+
+    setLoading(true);
+    setError("");
+    setSuccess("");
+
+    try {
+      const result = await apiClient.confirmPasswordReset(token.trim(), password);
+      if (!result.success) {
+        setError(result.reason || t("resetPasswordError"));
+        return;
+      }
+
+      setSuccess(t("passwordResetSuccess"));
+      setTimeout(() => router.replace("/(auth)/signin"), 500);
+    } catch {
+      setError(t("resetPasswordError"));
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const switchMode = () => {
+    resetFieldErrors();
+    setError("");
+    setSuccess("");
+    setMode((current) => (current === "request" ? "confirm" : "request"));
+  };
+
+  return (
+    <SafeAreaView style={styles.container}>
+      <KeyboardAvoidingView
+        style={styles.keyboardView}
+        behavior={Platform.OS === "ios" ? "padding" : "height"}
+      >
+        <ScrollView
+          contentContainerStyle={styles.scrollContent}
+          keyboardShouldPersistTaps="handled"
+        >
+          <TouchableOpacity style={styles.backButton} onPress={() => router.back()}>
+            <Ionicons name="arrow-back" size={24} color={colors.onBackground} />
+          </TouchableOpacity>
+
+          <View style={styles.header}>
+            <H1>{t("resetPassword")}</H1>
+            <Muted>{t("resetPasswordHelp")}</Muted>
+          </View>
+
+          <View style={styles.form}>
+            {mode === "request" ? (
+              <TextInput
+                label={t("email")}
+                value={email}
+                onChangeText={setEmail}
+                placeholder={t("emailPlaceholder")}
+                keyboardType="email-address"
+                autoCapitalize="none"
+                error={emailError}
+              />
+            ) : (
+              <>
+                <TextInput
+                  label={t("resetPasswordToken")}
+                  value={token}
+                  onChangeText={setToken}
+                  placeholder={t("resetPasswordTokenPlaceholder")}
+                  error={tokenError}
+                />
+
+                <TextInput
+                  label={t("newPassword")}
+                  value={password}
+                  onChangeText={setPassword}
+                  placeholder={t("newPasswordPlaceholder")}
+                  secureTextEntry
+                  error={passwordError}
+                />
+
+                <TextInput
+                  label={t("confirmNewPassword")}
+                  value={confirmPassword}
+                  onChangeText={setConfirmPassword}
+                  placeholder={t("confirmPasswordPlaceholder")}
+                  secureTextEntry
+                  error={confirmPasswordError}
+                />
+              </>
+            )}
+
+            {error ? <Text style={styles.error}>{error}</Text> : null}
+            {success ? <Text style={styles.success}>{success}</Text> : null}
+
+            <Button
+              title={mode === "request" ? t("sendResetLink") : t("resetPassword")}
+              onPress={mode === "request" ? handleRequestReset : handleConfirmReset}
+              loading={loading}
+              disabled={loading}
+            />
+
+            <Button
+              title={
+                mode === "request"
+                  ? t("switchToResetWithToken")
+                  : t("switchToRequestReset")
+              }
+              variant="secondary"
+              onPress={switchMode}
+              disabled={loading}
+            />
+
+            <Button
+              title={t("backToSignIn")}
+              variant="text"
+              onPress={() => router.replace("/(auth)/signin")}
+              disabled={loading}
+            />
+          </View>
+        </ScrollView>
+      </KeyboardAvoidingView>
+    </SafeAreaView>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: colors.background,
+  },
+  keyboardView: {
+    flex: 1,
+  },
+  scrollContent: {
+    flexGrow: 1,
+    padding: 24,
+  },
+  backButton: {
+    marginBottom: 16,
+  },
+  header: {
+    marginBottom: 32,
+    gap: 8,
+  },
+  form: {
+    gap: 20,
+  },
+  error: {
+    color: colors.primary,
+    fontSize: 14,
+    textAlign: "center",
+  },
+  success: {
+    color: colors.onBackground,
+    fontSize: 14,
+    textAlign: "center",
+  },
+});