use std::sync::Arc;

use serde::{Deserialize, Serialize};
use utoipa::ToSchema;

#[derive(Debug, Clone, Copy, Default, Serialize, Deserialize, PartialEq, Eq, ToSchema)]
#[serde(rename_all = "snake_case")]
pub enum ProfileVisibility {
    Public,
    #[default]
    RegisteredOnly,
    MembersOnly,
    Private,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct UserConfig {
    #[serde(default = "default_max_pagination")]
    pub max_profile_pagination: usize,
    #[serde(default = "default_default_pagination")]
    pub default_profile_pagination: usize,
    #[serde(default = "default_max_username_len")]
    pub max_username_len: usize,
    #[serde(default = "default_min_username_len")]
    pub min_username_len: usize,
    #[serde(default = "default_max_display_name_len")]
    pub max_display_name_len: usize,
    #[serde(default = "default_max_bio_len")]
    pub max_bio_len: usize,
    #[serde(default = "default_max_pronouns_len")]
    pub max_pronouns_len: usize,
    #[serde(default = "default_max_website_len")]
    pub max_website_len: usize,
    #[serde(default = "default_max_location_len")]
    pub max_location_len: usize,
    #[serde(default = "default_max_company_len")]
    pub max_company_len: usize,
    #[serde(default = "default_max_meme_name_len")]
    pub max_meme_name_len: usize,
    #[serde(default = "default_max_recovery_codes")]
    pub max_recovery_codes: usize,
    #[serde(default = "default_access_key_token_bytes")]
    pub access_key_token_bytes: usize,
    #[serde(default = "default_ssh_key_max_per_user")]
    pub ssh_key_max_per_user: usize,
    #[serde(default = "default_deletion_grace_days")]
    pub deletion_grace_days: i64,
    #[serde(default = "default_follow_rate_limit_secs")]
    pub follow_rate_limit_secs: u64,
    #[serde(default = "default_block_rate_limit_secs")]
    pub block_rate_limit_secs: u64,
    #[serde(default = "default_report_rate_limit_secs")]
    pub report_rate_limit_secs: u64,
    #[serde(default = "default_unread_cache_ttl")]
    pub notifications_unread_cache_ttl_secs: u64,
    #[serde(default)]
    pub default_visibility: ProfileVisibility,
    #[serde(default = "default_default_locale")]
    pub default_locale: String,
    #[serde(default = "default_default_timezone")]
    pub default_timezone: String,
}

fn default_max_pagination() -> usize {
    100
}
fn default_default_pagination() -> usize {
    20
}
fn default_max_username_len() -> usize {
    64
}
fn default_min_username_len() -> usize {
    1
}
fn default_max_display_name_len() -> usize {
    64
}
fn default_max_bio_len() -> usize {
    512
}
fn default_max_pronouns_len() -> usize {
    32
}
fn default_max_website_len() -> usize {
    256
}
fn default_max_location_len() -> usize {
    128
}
fn default_max_company_len() -> usize {
    128
}
fn default_max_meme_name_len() -> usize {
    64
}
fn default_max_recovery_codes() -> usize {
    10
}
fn default_access_key_token_bytes() -> usize {
    32
}
fn default_ssh_key_max_per_user() -> usize {
    50
}
fn default_deletion_grace_days() -> i64 {
    14
}
fn default_follow_rate_limit_secs() -> u64 {
    60
}
fn default_block_rate_limit_secs() -> u64 {
    60
}
fn default_report_rate_limit_secs() -> u64 {
    300
}
fn default_unread_cache_ttl() -> u64 {
    3600
}
fn default_default_locale() -> String {
    "en".to_string()
}
fn default_default_timezone() -> String {
    "UTC".to_string()
}

impl Default for UserConfig {
    fn default() -> Self {
        Self {
            max_profile_pagination: default_max_pagination(),
            default_profile_pagination: default_default_pagination(),
            max_username_len: default_max_username_len(),
            min_username_len: default_min_username_len(),
            max_display_name_len: default_max_display_name_len(),
            max_bio_len: default_max_bio_len(),
            max_pronouns_len: default_max_pronouns_len(),
            max_website_len: default_max_website_len(),
            max_location_len: default_max_location_len(),
            max_company_len: default_max_company_len(),
            max_meme_name_len: default_max_meme_name_len(),
            max_recovery_codes: default_max_recovery_codes(),
            access_key_token_bytes: default_access_key_token_bytes(),
            ssh_key_max_per_user: default_ssh_key_max_per_user(),
            deletion_grace_days: default_deletion_grace_days(),
            follow_rate_limit_secs: default_follow_rate_limit_secs(),
            block_rate_limit_secs: default_block_rate_limit_secs(),
            report_rate_limit_secs: default_report_rate_limit_secs(),
            notifications_unread_cache_ttl_secs: default_unread_cache_ttl(),
            default_visibility: ProfileVisibility::default(),
            default_locale: default_default_locale(),
            default_timezone: default_default_timezone(),
        }
    }
}

#[allow(dead_code)]
pub type SharedUserConfig = Arc<UserConfig>;