use std::sync::Arc;

use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct RepoConfig {
    #[serde(default = "default_max_pagination")]
    pub max_pagination: u64,
    #[serde(default = "default_default_pagination")]
    pub default_pagination: u64,
    #[serde(default = "default_repo_name_len")]
    pub max_repo_name_len: usize,
    #[serde(default = "default_description_len")]
    pub max_description_len: usize,
    #[serde(default = "default_website_len")]
    pub max_website_len: usize,
    #[serde(default = "default_topic_len")]
    pub max_topic_len: usize,
    #[serde(default = "default_branch_name_len")]
    pub max_branch_name_len: usize,
    #[serde(default = "default_tag_name_len")]
    pub max_tag_name_len: usize,
    #[serde(default = "default_release_body_len")]
    pub max_release_body_len: usize,
    #[serde(default = "default_default_branch")]
    pub default_branch: String,
    #[serde(default = "default_object_format")]
    pub default_object_format: String,
    #[serde(default = "default_git_dir")]
    pub git_storage_root: String,
    #[serde(default = "default_lfs_dir")]
    pub lfs_storage_root: String,
    #[serde(default = "default_branch_protection_priority_max")]
    pub branch_protection_priority_max: i64,
    #[serde(default = "default_max_topics")]
    pub max_topics_per_repo: usize,
    #[serde(default = "default_pr_title_len")]
    pub max_pr_title_len: usize,
    #[serde(default = "default_pr_body_len")]
    pub max_pr_body_len: usize,
}

fn default_max_pagination() -> u64 {
    100
}
fn default_default_pagination() -> u64 {
    20
}
fn default_repo_name_len() -> usize {
    100
}
fn default_description_len() -> usize {
    512
}
fn default_website_len() -> usize {
    256
}
fn default_topic_len() -> usize {
    35
}
fn default_branch_name_len() -> usize {
    100
}
fn default_tag_name_len() -> usize {
    100
}
fn default_release_body_len() -> usize {
    65535
}
fn default_default_branch() -> String {
    "main".to_string()
}
fn default_object_format() -> String {
    "sha1".to_string()
}
fn default_git_dir() -> String {
    "/var/lib/repo/git".to_string()
}
fn default_lfs_dir() -> String {
    "/var/lib/repo/lfs".to_string()
}
fn default_branch_protection_priority_max() -> i64 {
    10_000
}
fn default_max_topics() -> usize {
    25
}
fn default_pr_title_len() -> usize {
    255
}
fn default_pr_body_len() -> usize {
    65535
}

impl Default for RepoConfig {
    fn default() -> Self {
        Self {
            max_pagination: default_max_pagination(),
            default_pagination: default_default_pagination(),
            max_repo_name_len: default_repo_name_len(),
            max_description_len: default_description_len(),
            max_website_len: default_website_len(),
            max_topic_len: default_topic_len(),
            max_branch_name_len: default_branch_name_len(),
            max_tag_name_len: default_tag_name_len(),
            max_release_body_len: default_release_body_len(),
            default_branch: default_default_branch(),
            default_object_format: default_object_format(),
            git_storage_root: default_git_dir(),
            lfs_storage_root: default_lfs_dir(),
            branch_protection_priority_max: default_branch_protection_priority_max(),
            max_topics_per_repo: default_max_topics(),
            max_pr_title_len: default_pr_title_len(),
            max_pr_body_len: default_pr_body_len(),
        }
    }
}

pub type SharedRepoConfig = Arc<RepoConfig>;