package http

import "core:strconv"

RequestError :: enum {
    InvalidRequestLine,
    InvalidMethod,
    InvalidHeaderFormat,
    IncompleteRequest,
    ContentLengthMismatch,
    FailedParsing,
    NetworkError,
}

ResponseError :: enum {
    InvalidContentType,
    InvalidStatus,
}

Header :: map[string]string

Status :: enum u32 {
    Ok                  = 200,
    BadRequest          = 400,
    NotFound            = 404,
    InternalServerError = 500,
}

ContentType :: enum {
    Html,
    Image,
}

Response :: struct {
    header:        Header,
    proto_version: string,
    status:        Status,
    body:          []byte,
}

Method :: enum {
    GET,
    POST,
    PUT,
    DELETE,
}

Request :: struct {
    header:         Header,
    proto_version:  string,
    method:         Method,
    path:           string,
    body:           []byte,
    path_variables: map[string]string,
}

make_response :: proc(
    status: Status,
    body: []byte,
    content_type: ContentType,
    allocator := context.temp_allocator,
) -> Response {
    response := Response {
        status        = status,
        proto_version = "HTTP/1.1",
        header        = make(Header, allocator),
        body          = body,
    }

    buf := make([]byte, 32, allocator)
    response.header["Content-Length"] = strconv.write_uint(
        buf[:],
        u64(len(body)),
        10,
    )
    response.header["Content-Type"] = str_from_content_type(content_type)

    return response
}