// Copyright 2016 The Gogs Authors. All rights reserved.
// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package gitea

import (
	"bytes"
	"encoding/json"
	"fmt"

	"code.gitea.io/gitea/modules/structs"
)

// PullRequestMeta is equal to structs.PullRequestMeta
type PullRequestMeta = structs.PullRequestMeta

// Issue is equal to structs.Issue
type Issue = structs.Issue

// ListIssues returns all issues assigned the authenticated user
func (c *Client) ListIssues(opt structs.ListIssueOption) ([]*Issue, error) {
	issues := make([]*Issue, 0, 10)
	return issues, c.getParsedResponse("GET", fmt.Sprintf("/issues?page=%d", opt.Page), nil, nil, &issues)
}

// ListUserIssues returns all issues assigned to the authenticated user
func (c *Client) ListUserIssues(opt structs.ListIssueOption) ([]*Issue, error) {
	issues := make([]*Issue, 0, 10)
	return issues, c.getParsedResponse("GET", fmt.Sprintf("/user/issues?page=%d", opt.Page), nil, nil, &issues)
}

// ListRepoIssues returns all issues for a given repository
func (c *Client) ListRepoIssues(owner, repo string, opt structs.ListIssueOption) ([]*Issue, error) {
	issues := make([]*Issue, 0, 10)
	return issues, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues?page=%d", owner, repo, opt.Page), nil, nil, &issues)
}

// GetIssue returns a single issue for a given repository
func (c *Client) GetIssue(owner, repo string, index int64) (*Issue, error) {
	issue := new(Issue)
	return issue, c.getParsedResponse("GET", fmt.Sprintf("/repos/%s/%s/issues/%d", owner, repo, index), nil, nil, issue)
}

// CreateIssue create a new issue for a given repository
func (c *Client) CreateIssue(owner, repo string, opt structs.CreateIssueOption) (*Issue, error) {
	body, err := json.Marshal(&opt)
	if err != nil {
		return nil, err
	}
	issue := new(Issue)
	return issue, c.getParsedResponse("POST", fmt.Sprintf("/repos/%s/%s/issues", owner, repo),
		jsonHeader, bytes.NewReader(body), issue)
}

// EditIssue modify an existing issue for a given repository
func (c *Client) EditIssue(owner, repo string, index int64, opt structs.EditIssueOption) (*Issue, error) {
	body, err := json.Marshal(&opt)
	if err != nil {
		return nil, err
	}
	issue := new(Issue)
	return issue, c.getParsedResponse("PATCH", fmt.Sprintf("/repos/%s/%s/issues/%d", owner, repo, index),
		jsonHeader, bytes.NewReader(body), issue)
}

// StartIssueStopWatch starts a stopwatch for an existing issue for a given
// repository
func (c *Client) StartIssueStopWatch(owner, repo string, index int64) error {
	_, err := c.getResponse("POST", fmt.Sprintf("/repos/%s/%s/issues/%d/stopwatch/start", owner, repo, index),
		jsonHeader, nil)
	return err
}

// StopIssueStopWatch stops an existing stopwatch for an issue in a given
// repository
func (c *Client) StopIssueStopWatch(owner, repo string, index int64) error {
	_, err := c.getResponse("POST", fmt.Sprintf("/repos/%s/%s/issues/%d/stopwatch/stop", owner, repo, index),
		jsonHeader, nil)
	return err
}