use crate::{ApiResponse, error::ApiError};
use actix_web::{HttpResponse, Result, web};
use service::AppService;
use service::git::branch::{
    BranchCreateRequest, BranchDiffQuery, BranchDiffResponse, BranchExistsResponse,
    BranchFastForwardResponse, BranchInfoResponse, BranchIsAncestorQuery, BranchIsAncestorResponse,
    BranchIsConflictedResponse, BranchIsDetachedResponse, BranchIsHeadResponse,
    BranchIsMergedQuery, BranchIsMergedResponse, BranchListQuery, BranchMergeBaseQuery,
    BranchMergeBaseResponse, BranchMoveRequest, BranchRenameRequest, BranchSetUpstreamRequest,
    BranchSummaryResponse, BranchTrackingDiffResponse,
};
use session::Session;

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "List branches", body = ApiResponse<Vec<BranchInfoResponse>>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_list(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    query: web::Query<BranchListQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_list(namespace, repo_name, query.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/summary",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get branch summary", body = ApiResponse<BranchSummaryResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_summary(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_summary(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/{name}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("name" = String, Path, description = "Branch name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get branch", body = ApiResponse<BranchInfoResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_get(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, name) = path.into_inner();
    let resp = service
        .git_branch_get(namespace, repo_name, name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/current",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get current branch", body = ApiResponse<BranchInfoResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_current(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_current(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/{name}/exists",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("name" = String, Path, description = "Branch name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check branch exists", body = ApiResponse<BranchExistsResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_exists(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, name) = path.into_inner();
    let resp = service
        .git_branch_exists(namespace, repo_name, name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/{name}/is-head",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("name" = String, Path, description = "Branch name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check if branch is HEAD", body = ApiResponse<BranchIsHeadResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_is_head(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, name) = path.into_inner();
    let resp = service
        .git_branch_is_head(namespace, repo_name, name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/is-detached",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check if HEAD is detached", body = ApiResponse<BranchIsDetachedResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_is_detached(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_is_detached(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/{name}/upstream",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("name" = String, Path, description = "Branch name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get upstream branch", body = ApiResponse<BranchInfoResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_upstream(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, name) = path.into_inner();
    let resp = service
        .git_branch_upstream(namespace, repo_name, name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/diff",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get branch diff", body = ApiResponse<BranchDiffResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_diff(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    query: web::Query<BranchDiffQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_diff(namespace, repo_name, query.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/{name}/tracking-difference",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("name" = String, Path, description = "Branch name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get tracking difference", body = ApiResponse<BranchTrackingDiffResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_tracking_difference(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, name) = path.into_inner();
    let resp = service
        .git_branch_tracking_difference(namespace, repo_name, name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    post,
    path = "/api/repos/{namespace}/{repo}/git/branches",
    request_body = BranchCreateRequest,
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Create branch", body = ApiResponse<BranchInfoResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_create(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    body: web::Json<BranchCreateRequest>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_create(namespace, repo_name, body.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    delete,
    path = "/api/repos/{namespace}/{repo}/git/branches/{name}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("name" = String, Path, description = "Branch name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Delete branch"),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_delete(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, name) = path.into_inner();
    service
        .git_branch_delete(namespace, repo_name, name, &session)
        .await?;
    Ok(HttpResponse::Ok().json(serde_json::json!({ "success": true })))
}

#[utoipa::path(
    delete,
    path = "/api/repos/{namespace}/{repo}/git/branches/remote/{name}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("name" = String, Path, description = "Remote branch name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Delete remote branch"),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_delete_remote(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, name) = path.into_inner();
    service
        .git_branch_delete_remote(namespace, repo_name, name, &session)
        .await?;
    Ok(HttpResponse::Ok().json(serde_json::json!({ "success": true })))
}

#[utoipa::path(
    patch,
    path = "/api/repos/{namespace}/{repo}/git/branches/rename",
    request_body = BranchRenameRequest,
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Rename branch", body = ApiResponse<BranchInfoResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_rename(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    body: web::Json<BranchRenameRequest>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_rename(namespace, repo_name, body.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    patch,
    path = "/api/repos/{namespace}/{repo}/git/branches/move",
    request_body = BranchMoveRequest,
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Move branch", body = ApiResponse<BranchInfoResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_move(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    body: web::Json<BranchMoveRequest>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_move(namespace, repo_name, body.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    patch,
    path = "/api/repos/{namespace}/{repo}/git/branches/upstream",
    request_body = BranchSetUpstreamRequest,
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Set upstream branch"),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_set_upstream(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    body: web::Json<BranchSetUpstreamRequest>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    service
        .git_branch_set_upstream(namespace, repo_name, body.into_inner(), &session)
        .await?;
    Ok(HttpResponse::Ok().json(serde_json::json!({ "success": true })))
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/is-merged",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check if branch is merged", body = ApiResponse<BranchIsMergedResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_is_merged(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    query: web::Query<BranchIsMergedQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_is_merged(namespace, repo_name, query.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/merge-base",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Get merge base", body = ApiResponse<BranchMergeBaseResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_merge_base(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    query: web::Query<BranchMergeBaseQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_merge_base(namespace, repo_name, query.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/is-ancestor",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check if branch is ancestor", body = ApiResponse<BranchIsAncestorResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_is_ancestor(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
    query: web::Query<BranchIsAncestorQuery>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_is_ancestor(namespace, repo_name, query.into_inner(), &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    post,
    path = "/api/repos/{namespace}/{repo}/git/branches/fast-forward/{target}",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
        ("target" = String, Path, description = "Target branch name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Fast-forward branch", body = ApiResponse<BranchFastForwardResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_fast_forward(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name, target) = path.into_inner();
    let resp = service
        .git_branch_fast_forward(namespace, repo_name, target, None, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}

#[utoipa::path(
    get,
    path = "/api/repos/{namespace}/{repo}/git/branches/is-conflicted",
    params(
        ("namespace" = String, Path, description = "Project namespace"),
        ("repo" = String, Path, description = "Repository name"),
    ),
    responses(
        (status = 401, description = "Unauthorized", body = ApiResponse<ApiError>),
        (status = 200, description = "Check if branch has conflicts", body = ApiResponse<BranchIsConflictedResponse>),
        (status = 404, description = "Not found", body = ApiResponse<ApiError>),
    ),
    tag = "Git"
)]
pub async fn git_branch_is_conflicted(
    service: web::Data<AppService>,
    session: Session,
    path: web::Path<(String, String)>,
) -> Result<HttpResponse, ApiError> {
    let (namespace, repo_name) = path.into_inner();
    let resp = service
        .git_branch_is_conflicted(namespace, repo_name, &session)
        .await?;
    Ok(ApiResponse::ok(resp).to_response())
}