import { apiClient } from "./client";
import type {
	CommitDetail,
	CommitHistoryResponse,
	CommitResponse,
	GitRepository,
	GitRepositoryCreate,
	GitStatus,
	MergeResponse,
	URLParseResult,
} from "../types/git-repository";

export type {
	CommitDetail,
	CommitHistoryEntry,
	CommitHistoryResponse,
	CommitResponse,
	GitRepository,
	GitRepositoryCreate,
	GitStatus,
	MergeResponse,
	URLParseResult,
} from "../types/git-repository";

export interface Branch {
	name: string;
	is_default: boolean;
	last_commit: string | null;
}

export interface BranchesResponse {
	branches: Branch[];
	default_branch: string;
}

export async function parseGitUrl(url: string): Promise<URLParseResult> {
	const response = await apiClient.post("/projects/repositories/parse-url", {
		url,
	});
	return response.data;
}

export async function listRepositories(
	projectId: string,
): Promise<GitRepository[]> {
	const response = await apiClient.get(`/projects/${projectId}/repositories`);
	return response.data;
}

export async function listRepositoryBranches(
	projectId: string,
	repoId: string,
): Promise<BranchesResponse> {
	const response = await apiClient.get(
		`/projects/${projectId}/repositories/${repoId}/branches`,
	);
	return response.data;
}

export async function createRepository(
	projectId: string,
	data: GitRepositoryCreate,
): Promise<GitRepository> {
	const response = await apiClient.post(
		`/projects/${projectId}/repositories`,
		data,
	);
	return response.data;
}

export async function deleteRepository(
	projectId: string,
	repoId: string,
): Promise<void> {
	await apiClient.delete(`/projects/${projectId}/repositories/${repoId}`);
}

export async function getRepositoryHistory(
	projectId: string,
	repoId: string,
	branch?: string,
	limit?: number,
): Promise<CommitHistoryResponse> {
	const searchParams = new URLSearchParams();
	if (branch) searchParams.set("branch", branch);
	if (limit) searchParams.set("limit", String(limit));
	const queryString = searchParams.toString();
	const params = queryString ? `?${queryString}` : "";
	const response = await apiClient.get(
		`/projects/${projectId}/repositories/${repoId}/history${params}`,
	);
	return response.data;
}

export async function getCommitDetail(
	projectId: string,
	repoId: string,
	commitHash: string,
): Promise<CommitDetail> {
	const response = await apiClient.get(
		`/projects/${projectId}/repositories/${repoId}/commits/${commitHash}`,
	);
	return response.data;
}

export async function getRepositoryStatus(
	projectId: string,
	repoId: string,
): Promise<GitStatus> {
	const response = await apiClient.get(
		`/projects/${projectId}/repositories/${repoId}/status`,
	);
	return response.data;
}

export async function createBranch(
	projectId: string,
	repoId: string,
	name: string,
	baseBranch: string = "HEAD",
): Promise<{ message: string; branch: string }> {
	const response = await apiClient.post(
		`/projects/${projectId}/repositories/${repoId}/branches`,
		{ name, base_branch: baseBranch },
	);
	return response.data;
}

export async function deleteBranch(
	projectId: string,
	repoId: string,
	branchName: string,
	force: boolean = false,
): Promise<{ message: string }> {
	const response = await apiClient.delete(
		`/projects/${projectId}/repositories/${repoId}/branches/${branchName}?force=${force}`,
	);
	return response.data;
}

export async function checkoutBranch(
	projectId: string,
	repoId: string,
	branch: string,
): Promise<{ message: string; branch: string }> {
	const response = await apiClient.post(
		`/projects/${projectId}/repositories/${repoId}/checkout`,
		{ branch },
	);
	return response.data;
}

export async function commitChanges(
	projectId: string,
	repoId: string,
	message: string,
	files?: string[],
): Promise<CommitResponse> {
	const response = await apiClient.post(
		`/projects/${projectId}/repositories/${repoId}/commit`,
		{ message, files },
	);
	return response.data;
}

export async function fetchRepository(
	projectId: string,
	repoId: string,
): Promise<{ message: string }> {
	const response = await apiClient.post(
		`/projects/${projectId}/repositories/${repoId}/fetch`,
	);
	return response.data;
}

export async function pullRepository(
	projectId: string,
	repoId: string,
	branch?: string,
): Promise<{ message: string }> {
	const params = branch ? `?branch=${branch}` : "";
	const response = await apiClient.post(
		`/projects/${projectId}/repositories/${repoId}/pull${params}`,
	);
	return response.data;
}

export async function pushRepository(
	projectId: string,
	repoId: string,
	branch?: string,
): Promise<{ message: string }> {
	const params = branch ? `?branch=${branch}` : "";
	const response = await apiClient.post(
		`/projects/${projectId}/repositories/${repoId}/push${params}`,
	);
	return response.data;
}

export async function mergeBranches(
	projectId: string,
	repoId: string,
	sourceBranch: string,
	targetBranch?: string,
	message?: string,
): Promise<MergeResponse> {
	const response = await apiClient.post(
		`/projects/${projectId}/repositories/${repoId}/merge`,
		{ source_branch: sourceBranch, target_branch: targetBranch, message },
	);
	return response.data;
}