// ----------------------------------------------------------------------------
//
//     ***     AUTO GENERATED CODE    ***    AUTO GENERATED CODE     ***
//
// ----------------------------------------------------------------------------
//
//     This file is automatically generated by Magic Modules and manual
//     changes will be clobbered when the file is regenerated.
//
//     Please read more about how to change this file in
//     .github/CONTRIBUTING.md.
//
// ----------------------------------------------------------------------------

package google

import (
	"fmt"
	"log"
	"reflect"
	"strconv"
	"strings"
	"time"

	"github.com/hashicorp/terraform/helper/schema"
)

func resourceResourceManagerLien() *schema.Resource {
	return &schema.Resource{
		Create: resourceResourceManagerLienCreate,
		Read:   resourceResourceManagerLienRead,
		Delete: resourceResourceManagerLienDelete,

		Importer: &schema.ResourceImporter{
			State: resourceResourceManagerLienImport,
		},

		Timeouts: &schema.ResourceTimeout{
			Create: schema.DefaultTimeout(240 * time.Second),
			Delete: schema.DefaultTimeout(240 * time.Second),
		},

		Schema: map[string]*schema.Schema{
			"origin": {
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
			},
			"parent": {
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
			},
			"reason": {
				Type:     schema.TypeString,
				Required: true,
				ForceNew: true,
			},
			"restrictions": {
				Type:     schema.TypeList,
				Required: true,
				ForceNew: true,
				Elem: &schema.Schema{
					Type: schema.TypeString,
				},
			},
			"create_time": {
				Type:     schema.TypeString,
				Computed: true,
			},
			"name": {
				Type:     schema.TypeString,
				Computed: true,
			},
		},
	}
}

func resourceResourceManagerLienCreate(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)

	obj := make(map[string]interface{})
	reasonProp, err := expandResourceManagerLienReason(d.Get("reason"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("reason"); !isEmptyValue(reflect.ValueOf(reasonProp)) && (ok || !reflect.DeepEqual(v, reasonProp)) {
		obj["reason"] = reasonProp
	}
	originProp, err := expandResourceManagerLienOrigin(d.Get("origin"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("origin"); !isEmptyValue(reflect.ValueOf(originProp)) && (ok || !reflect.DeepEqual(v, originProp)) {
		obj["origin"] = originProp
	}
	parentProp, err := expandResourceManagerLienParent(d.Get("parent"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("parent"); !isEmptyValue(reflect.ValueOf(parentProp)) && (ok || !reflect.DeepEqual(v, parentProp)) {
		obj["parent"] = parentProp
	}
	restrictionsProp, err := expandResourceManagerLienRestrictions(d.Get("restrictions"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("restrictions"); !isEmptyValue(reflect.ValueOf(restrictionsProp)) && (ok || !reflect.DeepEqual(v, restrictionsProp)) {
		obj["restrictions"] = restrictionsProp
	}

	url, err := replaceVars(d, config, "https://cloudresourcemanager.googleapis.com/v1/liens")
	if err != nil {
		return err
	}

	log.Printf("[DEBUG] Creating new Lien: %#v", obj)
	res, err := sendRequestWithTimeout(config, "POST", url, obj, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf("Error creating Lien: %s", err)
	}

	// Store the ID now
	id, err := replaceVars(d, config, "{{name}}")
	if err != nil {
		return fmt.Errorf("Error constructing id: %s", err)
	}
	d.SetId(id)

	log.Printf("[DEBUG] Finished creating Lien %q: %#v", d.Id(), res)

	// This resource is unusual - instead of returning an Operation from
	// Create, it returns the created object itself.  We don't parse
	// any of the values there, preferring to centralize that logic in
	// Read().  In this resource, Read is also unusual - it requires
	// us to know the server-side generated name of the object we're
	// trying to fetch, and the only way to know that is to capture
	// it here.  The following two lines do that.
	d.SetId(flattenResourceManagerLienName(res["name"], d).(string))
	d.Set("name", flattenResourceManagerLienName(res["name"], d))

	return resourceResourceManagerLienRead(d, meta)
}

func resourceResourceManagerLienRead(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)

	url, err := replaceVars(d, config, "https://cloudresourcemanager.googleapis.com/v1/liens?parent={{parent}}")
	if err != nil {
		return err
	}

	res, err := sendRequest(config, "GET", url, nil)
	if err != nil {
		return handleNotFoundError(err, d, fmt.Sprintf("ResourceManagerLien %q", d.Id()))
	}

	res, err = flattenNestedResourceManagerLien(d, meta, res)
	if err != nil {
		return err
	}

	if res == nil {
		// Object isn't there any more - remove it from the state.
		log.Printf("[DEBUG] Removing ResourceManagerLien because it couldn't be matched.")
		d.SetId("")
		return nil
	}

	res, err = resourceResourceManagerLienDecoder(d, meta, res)
	if err != nil {
		return err
	}

	if err := d.Set("name", flattenResourceManagerLienName(res["name"], d)); err != nil {
		return fmt.Errorf("Error reading Lien: %s", err)
	}
	if err := d.Set("reason", flattenResourceManagerLienReason(res["reason"], d)); err != nil {
		return fmt.Errorf("Error reading Lien: %s", err)
	}
	if err := d.Set("origin", flattenResourceManagerLienOrigin(res["origin"], d)); err != nil {
		return fmt.Errorf("Error reading Lien: %s", err)
	}
	if err := d.Set("create_time", flattenResourceManagerLienCreateTime(res["createTime"], d)); err != nil {
		return fmt.Errorf("Error reading Lien: %s", err)
	}
	if err := d.Set("parent", flattenResourceManagerLienParent(res["parent"], d)); err != nil {
		return fmt.Errorf("Error reading Lien: %s", err)
	}
	if err := d.Set("restrictions", flattenResourceManagerLienRestrictions(res["restrictions"], d)); err != nil {
		return fmt.Errorf("Error reading Lien: %s", err)
	}

	return nil
}

func resourceResourceManagerLienDelete(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)

	url, err := replaceVars(d, config, "https://cloudresourcemanager.googleapis.com/v1/liens?parent={{parent}}")
	if err != nil {
		return err
	}

	var obj map[string]interface{}
	// log the old URL to make the ineffassign linter happy
	// in theory, we should find a way to disable the default URL and not construct
	// both, but that's a problem for another day. Today, we cheat.
	log.Printf("[DEBUG] replacing URL %q with a custom delete URL", url)
	url, err = replaceVars(d, config, "https://cloudresourcemanager.googleapis.com/v1/liens/{{name}}")
	if err != nil {
		return err
	}
	log.Printf("[DEBUG] Deleting Lien %q", d.Id())
	res, err := sendRequestWithTimeout(config, "DELETE", url, obj, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return handleNotFoundError(err, d, "Lien")
	}

	log.Printf("[DEBUG] Finished deleting Lien %q: %#v", d.Id(), res)
	return nil
}

func resourceResourceManagerLienImport(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
	config := meta.(*Config)
	if err := parseImportId([]string{"(?P<parent>[^/]+)/(?P<name>[^/]+)"}, d, config); err != nil {
		return nil, err
	}

	// Replace import id for the resource id
	id, err := replaceVars(d, config, "{{name}}")
	if err != nil {
		return nil, fmt.Errorf("Error constructing id: %s", err)
	}
	d.SetId(id)
	parent, err := replaceVars(d, config, "projects/{{parent}}")
	if err != nil {
		return nil, err
	}
	d.Set("parent", parent)

	return []*schema.ResourceData{d}, nil
}

func flattenResourceManagerLienName(v interface{}, d *schema.ResourceData) interface{} {
	if v == nil {
		return v
	}
	return NameFromSelfLinkStateFunc(v)
}

func flattenResourceManagerLienReason(v interface{}, d *schema.ResourceData) interface{} {
	return v
}

func flattenResourceManagerLienOrigin(v interface{}, d *schema.ResourceData) interface{} {
	return v
}

func flattenResourceManagerLienCreateTime(v interface{}, d *schema.ResourceData) interface{} {
	return v
}

func flattenResourceManagerLienParent(v interface{}, d *schema.ResourceData) interface{} {
	return v
}

func flattenResourceManagerLienRestrictions(v interface{}, d *schema.ResourceData) interface{} {
	return v
}

func expandResourceManagerLienReason(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandResourceManagerLienOrigin(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandResourceManagerLienParent(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandResourceManagerLienRestrictions(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func flattenNestedResourceManagerLien(d *schema.ResourceData, meta interface{}, res map[string]interface{}) (map[string]interface{}, error) {
	var v interface{}
	var ok bool

	v, ok = res["liens"]
	if !ok || v == nil {
		return nil, nil
	}

	// Final nested resource is either a list of resources we need to filter
	// or just the resource itself, which we return.
	switch v.(type) {
	case []interface{}:
		break
	case map[string]interface{}:
		return v.(map[string]interface{}), nil
	default:
		return nil, fmt.Errorf("invalid value for liens: %v", v)
	}

	items := v.([]interface{})
	for _, vRaw := range items {
		item := vRaw.(map[string]interface{})
		itemIdV := d.Get("name")
		actualIdV := flattenResourceManagerLienName(item["name"], d)
		log.Printf("[DEBUG] Checking if item's name (%#v) is equal to resource's (%#v)", itemIdV, actualIdV)
		if !reflect.DeepEqual(itemIdV, actualIdV) {
			continue
		}
		return item, nil
	}
	return nil, nil
}

func resourceResourceManagerLienDecoder(d *schema.ResourceData, meta interface{}, res map[string]interface{}) (map[string]interface{}, error) {
	// The problem we're trying to solve here is that this property is a Project,
	// and there are a lot of ways to specify a Project, including the ID vs
	// Number, which is something that we can't address in a diffsuppress.
	// Since we can't enforce a particular method of entering the project,
	// we're just going to have to use whatever the user entered, whether
	// it's project/projectName, project/12345, projectName, or 12345.
	// The normal behavior of this method would be 'return res' - and that's
	// what we'll fall back to if any of our conditions aren't met.  Those
	// conditions are:
	// 1) if the new or old values contain '/', the prefix of that is 'projects'.
	// 2) if either is non-numeric, a project with that ID exists.
	// 3) the project IDs represented by both the new and old values are the same.
	config := meta.(*Config)
	new := res["parent"].(string)
	old := d.Get("parent").(string)
	if strings.HasPrefix(new, "projects/") {
		new = strings.Split(new, "/")[1]
	}
	if strings.HasPrefix(old, "projects/") {
		old = strings.Split(old, "/")[1]
	}
	log.Printf("[DEBUG] Trying to figure out whether to use %s or %s", old, new)
	// If there's still a '/' in there, the value must not be a project ID.
	if strings.Contains(old, "/") || strings.Contains(new, "/") {
		return res, nil
	}
	// If 'old' isn't entirely numeric, let's assume it's a project ID.
	// If it's a project ID
	var oldProjId int64
	var newProjId int64
	if oldVal, err := strconv.ParseInt(old, 10, 64); err == nil {
		log.Printf("[DEBUG] The old value was a real number: %d", oldVal)
		oldProjId = oldVal
	} else {
		pOld, err := config.clientResourceManager.Projects.Get(old).Do()
		if err != nil {
			return res, nil
		}
		oldProjId = pOld.ProjectNumber
	}
	if newVal, err := strconv.ParseInt(new, 10, 64); err == nil {
		log.Printf("[DEBUG] The new value was a real number: %d", newVal)
		newProjId = newVal
	} else {
		pNew, err := config.clientResourceManager.Projects.Get(new).Do()
		if err != nil {
			return res, nil
		}
		newProjId = pNew.ProjectNumber
	}
	if newProjId == oldProjId {
		res["parent"] = d.Get("parent")
	}
	return res, nil
}