import { getJwt } from "./amplify";
import type { GoalFilter, GoalInput, GoalResult, GoalUpdate } from "../models/goal";
import type { ProjectFilter, ProjectInput, ProjectResult, ProjectUpdate } from "../models/project";
import type { TaskFilter, TaskInput, TaskLink, TaskResult, TaskUpdate } from "../models/task";
import type { LogFilter, LogInput, LogResult, LogUpdate } from "../models/log";
import type { GroupInput, GroupResult, GroupUpdate } from "../models/group";
import type { ItemInput, ItemResult, ItemUpdate } from "../models/item";

export class StufflogClient {
  private root: string;
  
  constructor(root: string) {
    this.root = root;
  }



  async findGoal(id: string): Promise<GoalResult> {
    const data = await this.fetch("GET", `/api/goal/${id}`);
    return data.goal;
  }

  async listGoals({minTime, maxTime, includesTime}: GoalFilter): Promise<GoalResult[]> {
    let queries = [];
    if (minTime != null) {
      queries.push(`minTime=${minTime.toISOString()}`);
    }
    if (maxTime != null) {
      queries.push(`maxTime=${maxTime.toISOString()}`);
    }
    if (includesTime != null) {
      queries.push(`includesTime=${includesTime.toISOString()}`);
    }

    const query = queries.length > 0 ? `?${queries.join("&")}` : "";

    const data = await this.fetch("GET", `/api/goal/${query}`);
    return data.goals;
  }

  async createGoal(input: GoalInput): Promise<GoalResult> {
    const data = await this.fetch("POST", "/api/goal/", input);
    return data.goal;
  }

  async updateGoal(id: string, update: GoalUpdate): Promise<GoalResult> {
    const data = await this.fetch("PUT", `/api/goal/${id}`, update);
    return data.goal;
  }

  async deleteGoal(id: string): Promise<GoalResult> {
    const data = await this.fetch("DELETE", `/api/goal/${id}`);
    return data.goal;
  }



  async findProject(id: string): Promise<ProjectResult> {
    const data = await this.fetch("GET", `/api/project/${id}`);
    return data.project;
  }

  async listProjects({active, expiring, favorite}: ProjectFilter): Promise<ProjectResult[]> {
    let queries = [];
    if (active != null) {
      queries.push(`active=${active}`);
    }
    if (expiring != null) {
      queries.push(`expiring=${expiring}`);
    }
    if (favorite != null) {
      queries.push(`favorite=${favorite}`)
    }

    const query = queries.length > 0 ? `?${queries.join("&")}` : "";

    const data = await this.fetch("GET", `/api/project/${query}`);
    return data.projects;
  }

  async createProject(input: ProjectInput): Promise<ProjectResult> {
    const data = await this.fetch("POST", "/api/project/", input);
    return data.project;
  }

  async updateProject(id: string, update: ProjectUpdate): Promise<ProjectResult> {
    const data = await this.fetch("PUT", `/api/project/${id}`, update);
    return data.project;
  }

  async deleteProject(id: string): Promise<ProjectResult> {
    const data = await this.fetch("DELETE", `/api/project/${id}`);
    return data.project;
  }



  async findLog(id: string): Promise<LogResult> {
    const data = await this.fetch("GET", `/api/log/${id}`);
    return data.log;
  }

  async listLogs({minTime, maxTime}: LogFilter): Promise<LogResult[]> {
    let queries = [];
    if (minTime != null) {
      queries.push(`minTime=${minTime.toISOString()}`);
    }
    if (maxTime != null) {
      queries.push(`maxTime=${maxTime.toISOString()}`);
    }

    const query = queries.length > 0 ? `?${queries.join("&")}` : "";

    const data = await this.fetch("GET", `/api/log/${query}`);
    return data.logs;
  }

  async createLog(input: LogInput): Promise<LogResult> {
    const data = await this.fetch("POST", "/api/log/", input);
    return data.log;
  }

  async updateLog(id: string, update: LogUpdate): Promise<LogResult> {
    const data = await this.fetch("PUT", `/api/log/${id}`, update);
    return data.log;
  }

  async deleteLog(id: string): Promise<LogResult> {
    const data = await this.fetch("DELETE", `/api/log/${id}`);
    return data.log;
  }



  async createTaskLink(projectId: string, taskId: string): Promise<TaskLink> {
    const data = await this.fetch("PUT", `/api/task/${taskId}/link/${projectId}`);
    return data.taskLink;
  }

  async deleteTaskLink(projectId: string, taskId: string): Promise<TaskLink> {
    const data = await this.fetch("DELETE", `/api/task/${taskId}/link/${projectId}`);
    return data.taskLink;
  }
  


  async findTask(id: string): Promise<TaskResult> {
    const data = await this.fetch("GET", `/api/task/${id}`);
    return data.task;
  }

  async listTasks({active, expiring}: TaskFilter): Promise<TaskResult[]> {
    let queries = [];
    if (active != null) {
      queries.push(`active=${active}`);
    }
    if (expiring != null) {
      queries.push(`expiring=${expiring}`);
    }

    const query = queries.length > 0 ? `?${queries.join("&")}` : "";

    const data = await this.fetch("GET", `/api/task/${query}`);
    return data.tasks;
  }

  async createTask(input: TaskInput): Promise<TaskResult> {
    const data = await this.fetch("POST", "/api/task/", input);
    return data.task;
  }

  async updateTask(id: string, update: TaskUpdate): Promise<TaskResult> {
    const data = await this.fetch("PUT", `/api/task/${id}`, update);
    return data.task;
  }

  async deleteTask(id: string): Promise<TaskResult> {
    const data = await this.fetch("DELETE", `/api/task/${id}`);
    return data.task;
  }
  
  
  
  async findGroup(id: string): Promise<GroupResult> {
    const data = await this.fetch("GET", `/api/group/${id}`);
    return data.group;
  }

  async listGroups(): Promise<GroupResult[]> {
    const data = await this.fetch("GET", "/api/group/");
    return data.groups;
  }

  async createGroup(input: GroupInput): Promise<GroupResult> {
    const data = await this.fetch("POST", "/api/group/", input);
    return data.group;
  }

  async updateGroup(id: string, update: GroupUpdate): Promise<GroupResult> {
    const data = await this.fetch("PUT", `/api/group/${id}`, update);
    return data.group;
  }

  async deleteGroup(id: string): Promise<GroupResult> {
    const data = await this.fetch("DELETE", `/api/group/${id}`);
    return data.group;
  }



  async findItem(id: string): Promise<ItemResult> {
    const data = await this.fetch("GET", `/api/item/${id}`);
    return data.item;
  }

  async listItems(): Promise<ItemResult[]> {
    const data = await this.fetch("GET", "/api/item/");
    return data.projects;
  }

  async createItem(input: ItemInput): Promise<ItemResult> {
    const data = await this.fetch("POST", "/api/item/", input);
    return data.item;
  }

  async updateItem(id: string, update: ItemUpdate): Promise<ItemResult> {
    const data = await this.fetch("PUT", `/api/item/${id}`, update);
    return data.item;
  }

  async deleteItem(id: string): Promise<ItemResult> {
    const data = await this.fetch("DELETE", `/api/item/${id}`);
    return data.item;
  }



  async fetch(method: string, path: string, body?: object) {
    const fullPath = this.root + path;
    const req: RequestInit = {method, headers: {}}

    if (body != null) {
      const data = new Blob([JSON.stringify(body)])

      req.headers["Content-Type"] = req;
      req.headers["Content-Length"] = data.size;
      req.body = data;
    }

    req.headers["Authorization"] = await getJwt();

    const res = await fetch(fullPath, req);
    if (!res.ok) {
      if ((res.headers.get("Content-Type") || "").includes("application/json")) {
        const data = await res.json();
        throw new StuffLogError(data.errorCode, data.errorMessage)
      } else {
        const text = await res.text();
        throw new StuffLogError(res.status, text)
      }
    }

    return res.json();
  }
}

export class StuffLogError {
  public code: number
  public message: string

  constructor(code: number, message: string) {
    this.code = code;
    this.message = message;
  }

  toString() {
    return `Error ${this.code}: ${this.message}`;
  }
}

const stuffLogClient = new StufflogClient("");
export default stuffLogClient