use axum::Json;
use axum::extract::{Path, State};
use export::rest::{AppRequestData, AppResponseData, NoData};
use serde::Deserialize;
use utoipa::IntoParams;
use uuid::Uuid;

use crate::errors::{ApiError, GitApiError};
use crate::service::GitService;
use crate::service::whitelists::{
    AddBranchWhitelistCmd, AddTagWhitelistCmd, BranchWhitelistDto, TagWhitelistDto,
};

#[derive(Debug, Clone, Deserialize, IntoParams)]
pub struct BranchPolicyPath {
    pub space_name: String,
    pub repo_name: String,
    pub policy_id: Uuid,
}

#[derive(Debug, Clone, Deserialize, IntoParams)]
pub struct BranchWhitelistPath {
    pub space_name: String,
    pub repo_name: String,
    pub policy_id: Uuid,
    pub whitelist_id: Uuid,
}

#[derive(Debug, Clone, Deserialize, IntoParams)]
pub struct TagPolicyPath {
    pub space_name: String,
    pub repo_name: String,
    pub policy_id: Uuid,
}

#[derive(Debug, Clone, Deserialize, IntoParams)]
pub struct TagWhitelistPath {
    pub space_name: String,
    pub repo_name: String,
    pub policy_id: Uuid,
    pub user_id: Uuid,
}

#[utoipa::path(
    post,
    path = "/repos/{space_name}/{repo_name}/branch-protection/{policy_id}/whitelists",
    tag = "branch_protection",
    params(BranchPolicyPath),
    request_body = AddBranchWhitelistCmd,
    responses(
        (status = 200, description = "add branch whitelist", body = AppResponseData<BranchWhitelistDto>)
    )
)]
pub async fn add_branch_whitelist(
    State(service): State<GitService>,
    Path(p): Path<BranchPolicyPath>,
    Json(cmd): Json<AddBranchWhitelistCmd>,
) -> Result<AppResponseData<BranchWhitelistDto>, ApiError> {
    let out = service
        .add_branch_whitelist(p.policy_id, cmd)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}

#[utoipa::path(
    delete,
    path = "/repos/{space_name}/{repo_name}/branch-protection/{policy_id}/whitelists/{whitelist_id}",
    tag = "branch_protection",
    params(BranchWhitelistPath),
    responses(
        (status = 200, description = "remove branch whitelist", body = AppResponseData<NoData>)
    )
)]
pub async fn remove_branch_whitelist(
    State(service): State<GitService>,
    Path(p): Path<BranchWhitelistPath>,
) -> Result<AppResponseData<NoData>, ApiError> {
    service
        .remove_branch_whitelist(p.policy_id, p.whitelist_id)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::empty())
}

#[utoipa::path(
    get,
    path = "/repos/{space_name}/{repo_name}/branch-protection/{policy_id}/whitelists",
    tag = "branch_protection",
    params(BranchPolicyPath),
    responses(
        (status = 200, description = "list branch whitelists", body = AppResponseData<Vec<BranchWhitelistDto>>)
    )
)]
pub async fn list_branch_whitelists(
    State(service): State<GitService>,
    Path(p): Path<BranchPolicyPath>,
) -> Result<AppResponseData<Vec<BranchWhitelistDto>>, ApiError> {
    let out = service
        .list_branch_whitelists(p.policy_id)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}

#[utoipa::path(
    post,
    path = "/repos/{space_name}/{repo_name}/tag-protection/{policy_id}/whitelists",
    tag = "tag_protection",
    params(TagPolicyPath),
    request_body = AddTagWhitelistCmd,
    responses(
        (status = 200, description = "add tag whitelist", body = AppResponseData<TagWhitelistDto>)
    )
)]
pub async fn add_tag_whitelist(
    State(service): State<GitService>,
    Path(p): Path<TagPolicyPath>,
    Json(cmd): Json<AddTagWhitelistCmd>,
) -> Result<AppResponseData<TagWhitelistDto>, ApiError> {
    let out = service
        .add_tag_whitelist(p.policy_id, cmd)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}

#[utoipa::path(
    delete,
    path = "/repos/{space_name}/{repo_name}/tag-protection/{policy_id}/whitelists/{user_id}",
    tag = "tag_protection",
    params(TagWhitelistPath),
    responses(
        (status = 200, description = "remove tag whitelist", body = AppResponseData<export::rest::NoData>)
    )
)]
pub async fn remove_tag_whitelist(
    State(service): State<GitService>,
    Path(p): Path<TagWhitelistPath>,
) -> Result<AppResponseData<NoData>, ApiError> {
    service
        .remove_tag_whitelist(p.policy_id, p.user_id)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::empty())
}

#[utoipa::path(
    get,
    path = "/repos/{space_name}/{repo_name}/tag-protection/{policy_id}/whitelists",
    tag = "tag_protection",
    params(TagPolicyPath),
    responses(
        (status = 200, description = "list tag whitelists", body = AppResponseData<Vec<TagWhitelistDto>>)
    )
)]
pub async fn list_tag_whitelists(
    State(service): State<GitService>,
    Path(p): Path<TagPolicyPath>,
) -> Result<AppResponseData<Vec<TagWhitelistDto>>, ApiError> {
    let out = service
        .list_tag_whitelists(p.policy_id)
        .await
        .map_err(GitApiError::from)?;
    Ok(AppResponseData::ok(out))
}

#[allow(dead_code)]
fn _typecheck(_: AppRequestData<AddBranchWhitelistCmd>, _: AppRequestData<AddTagWhitelistCmd>) {}