use platform_auth::{
    DEFAULT_WECHAT_ACCESS_TOKEN_ENDPOINT, DEFAULT_WECHAT_AUTHORIZE_ENDPOINT,
    DEFAULT_WECHAT_JS_CODE_SESSION_ENDPOINT, DEFAULT_WECHAT_PHONE_NUMBER_ENDPOINT,
    DEFAULT_WECHAT_STABLE_ACCESS_TOKEN_ENDPOINT, DEFAULT_WECHAT_USER_INFO_ENDPOINT,
    WechatAuthConfig, WechatProvider,
};

use crate::config::AppConfig;

pub fn build_wechat_provider(config: &AppConfig) -> WechatProvider {
    WechatProvider::new(WechatAuthConfig::new(
        config.wechat_auth_enabled,
        config.wechat_auth_provider.clone(),
        config.wechat_app_id.clone(),
        config.wechat_app_secret.clone(),
        config.wechat_mini_program_app_id.clone(),
        config.wechat_mini_program_app_secret.clone(),
        normalize_wechat_endpoint(
            &config.wechat_authorize_endpoint,
            DEFAULT_WECHAT_AUTHORIZE_ENDPOINT,
        ),
        normalize_wechat_endpoint(
            &config.wechat_access_token_endpoint,
            DEFAULT_WECHAT_ACCESS_TOKEN_ENDPOINT,
        ),
        normalize_wechat_endpoint(
            &config.wechat_user_info_endpoint,
            DEFAULT_WECHAT_USER_INFO_ENDPOINT,
        ),
        normalize_wechat_endpoint(
            &config.wechat_js_code_session_endpoint,
            DEFAULT_WECHAT_JS_CODE_SESSION_ENDPOINT,
        ),
        normalize_wechat_endpoint(
            &config.wechat_stable_access_token_endpoint,
            DEFAULT_WECHAT_STABLE_ACCESS_TOKEN_ENDPOINT,
        ),
        normalize_wechat_endpoint(
            &config.wechat_phone_number_endpoint,
            DEFAULT_WECHAT_PHONE_NUMBER_ENDPOINT,
        ),
        config.wechat_mock_user_id.clone(),
        config.wechat_mock_union_id.clone(),
        config.wechat_mock_display_name.clone(),
        config.wechat_mock_avatar_url.clone(),
    ))
}

fn normalize_wechat_endpoint(value: &str, fallback: &str) -> String {
    let trimmed = value.trim();
    if trimmed.is_empty() {
        fallback.to_string()
    } else {
        trimmed.to_string()
    }
}