package codersdk

import (
	"context"
	"encoding/json"
	"fmt"
	"net/http"
	"time"

	"github.com/google/uuid"

	"github.com/coder/coder/coderd/database"
)

// Workspace is a per-user deployment of a project. It tracks
// project versions, and can be updated.
type Workspace struct {
	ID          uuid.UUID      `json:"id"`
	CreatedAt   time.Time      `json:"created_at"`
	UpdatedAt   time.Time      `json:"updated_at"`
	OwnerID     string         `json:"owner_id"`
	ProjectID   uuid.UUID      `json:"project_id"`
	ProjectName string         `json:"project_name"`
	LatestBuild WorkspaceBuild `json:"latest_build"`
	Outdated    bool           `json:"outdated"`
	Name        string         `json:"name"`
}

// CreateWorkspaceBuildRequest provides options to update the latest workspace build.
type CreateWorkspaceBuildRequest struct {
	ProjectVersionID uuid.UUID                    `json:"project_version_id"`
	Transition       database.WorkspaceTransition `json:"transition" validate:"oneof=create start stop delete,required"`
	DryRun           bool                         `json:"dry_run"`
}

// Workspace returns a single workspace.
func (c *Client) Workspace(ctx context.Context, id uuid.UUID) (Workspace, error) {
	res, err := c.request(ctx, http.MethodGet, fmt.Sprintf("/api/v2/workspaces/%s", id), nil)
	if err != nil {
		return Workspace{}, err
	}
	defer res.Body.Close()
	if res.StatusCode != http.StatusOK {
		return Workspace{}, readBodyAsError(res)
	}
	var workspace Workspace
	return workspace, json.NewDecoder(res.Body).Decode(&workspace)
}

func (c *Client) WorkspaceBuilds(ctx context.Context, workspace uuid.UUID) ([]WorkspaceBuild, error) {
	res, err := c.request(ctx, http.MethodGet, fmt.Sprintf("/api/v2/workspaces/%s/builds", workspace), nil)
	if err != nil {
		return nil, err
	}
	defer res.Body.Close()
	if res.StatusCode != http.StatusOK {
		return nil, readBodyAsError(res)
	}
	var workspaceBuild []WorkspaceBuild
	return workspaceBuild, json.NewDecoder(res.Body).Decode(&workspaceBuild)
}

// CreateWorkspaceBuild queues a new build to occur for a workspace.
func (c *Client) CreateWorkspaceBuild(ctx context.Context, workspace uuid.UUID, request CreateWorkspaceBuildRequest) (WorkspaceBuild, error) {
	res, err := c.request(ctx, http.MethodPost, fmt.Sprintf("/api/v2/workspaces/%s/builds", workspace), request)
	if err != nil {
		return WorkspaceBuild{}, err
	}
	defer res.Body.Close()
	if res.StatusCode != http.StatusCreated {
		return WorkspaceBuild{}, readBodyAsError(res)
	}
	var workspaceBuild WorkspaceBuild
	return workspaceBuild, json.NewDecoder(res.Body).Decode(&workspaceBuild)
}

func (c *Client) WorkspaceBuildByName(ctx context.Context, workspace uuid.UUID, name string) (WorkspaceBuild, error) {
	res, err := c.request(ctx, http.MethodGet, fmt.Sprintf("/api/v2/workspaces/%s/builds/%s", workspace, name), nil)
	if err != nil {
		return WorkspaceBuild{}, err
	}
	defer res.Body.Close()
	if res.StatusCode != http.StatusOK {
		return WorkspaceBuild{}, readBodyAsError(res)
	}
	var workspaceBuild WorkspaceBuild
	return workspaceBuild, json.NewDecoder(res.Body).Decode(&workspaceBuild)
}