package dynamicproxy

import (
	"errors"
	"strings"
)

/*
	Endpoint Functions
*/

// Get virtual directory handler from given URI
func (ep *ProxyEndpoint) GetVirtualDirectoryHandlerFromRequestURI(requestURI string) *VirtualDirectoryEndpoint {
	for _, vdir := range ep.VirtualDirectories {
		if strings.HasPrefix(requestURI, vdir.MatchingPath) {
			return vdir
		}
	}
	return nil
}

// Get virtual directory handler by matching path (exact match required)
func (ep *ProxyEndpoint) GetVirtualDirectoryRuleByMatchingPath(matchingPath string) *VirtualDirectoryEndpoint {
	for _, vdir := range ep.VirtualDirectories {
		if vdir.MatchingPath == matchingPath {
			return vdir
		}
	}
	return nil
}

func (ep *ProxyEndpoint) RemoveVirtualDirectoryRuleByMatchingPath(matchingPath string) error {
	entryFound := false
	newVirtualDirectoryList := []*VirtualDirectoryEndpoint{}
	for _, vdir := range ep.VirtualDirectories {
		if vdir.MatchingPath == matchingPath {
			entryFound = true
		} else {
			newVirtualDirectoryList = append(newVirtualDirectoryList, vdir)
		}
	}

	if entryFound {
		//Update the list of vdirs
		ep.VirtualDirectories = newVirtualDirectoryList
		return nil
	}
	return errors.New("target virtual directory routing rule not found")
}