package orbit

import (
	"context"
	"errors"
	"net/url"
	"strconv"
)

// CreateSchedule 使用稳定幂等键受理一个计划；回执不代表任何一次触发已经执行。
func (c *Client) CreateSchedule(ctx context.Context, key string, in CreateScheduleRequest) (ScheduleResult, error) {
	var out ScheduleResult
	err := c.call(ctx, "POST", "/v1/schedules", key, in, &out)
	return out, err
}
func (c *Client) GetSchedule(ctx context.Context, id string) (Schedule, error) {
	var out Schedule
	if !validID(id) {
		return out, errors.New("invalid schedule id")
	}
	err := c.call(ctx, "GET", "/v1/schedules/"+id, "", nil, &out)
	return out, err
}

// PublishSchedule 发布完整新版本。保留原 key/revision 重报，不能重置原版本的积压身份。
func (c *Client) PublishSchedule(ctx context.Context, id, key string, in PublishScheduleRequest) (ScheduleResult, error) {
	var out ScheduleResult
	if !validID(id) {
		return out, errors.New("invalid schedule id")
	}
	err := c.call(ctx, "PATCH", "/v1/schedules/"+id, key, in, &out)
	return out, err
}
func (c *Client) PauseSchedule(ctx context.Context, id, key string, in ControlScheduleRequest) (ScheduleResult, error) {
	return c.controlSchedule(ctx, id, key, in, "pause")
}
func (c *Client) ResumeSchedule(ctx context.Context, id, key string, in ControlScheduleRequest) (ScheduleResult, error) {
	return c.controlSchedule(ctx, id, key, in, "resume")
}
func (c *Client) controlSchedule(ctx context.Context, id, key string, in ControlScheduleRequest, action string) (ScheduleResult, error) {
	var out ScheduleResult
	if !validID(id) {
		return out, errors.New("invalid schedule id")
	}
	err := c.call(ctx, "POST", "/v1/schedules/"+id+":"+action, key, in, &out)
	return out, err
}
func (c *Client) ListSchedules(ctx context.Context, queue string, in SchedulePageRequest) (SchedulePage, error) {
	var out SchedulePage
	if !validID(queue) {
		return out, errors.New("invalid queue id")
	}
	q := scheduleQuery(in)
	q.Set("queue_id", queue)
	err := c.call(ctx, "GET", "/v1/schedules?"+q.Encode(), "", nil, &out)
	return out, err
}
func (c *Client) GetScheduleVersion(ctx context.Context, id string, version uint64) (ScheduleVersion, error) {
	var out ScheduleVersion
	if !validID(id) || version == 0 {
		return out, errors.New("invalid schedule id or version")
	}
	err := c.call(ctx, "GET", "/v1/schedules/"+id+"/versions/"+strconv.FormatUint(version, 10), "", nil, &out)
	return out, err
}
func (c *Client) ListScheduleOccurrences(ctx context.Context, id string, in SchedulePageRequest) (ScheduleOccurrencePage, error) {
	var out ScheduleOccurrencePage
	if !validID(id) {
		return out, errors.New("invalid schedule id")
	}
	err := c.call(ctx, "GET", "/v1/schedules/"+id+"/occurrences?"+scheduleQuery(in).Encode(), "", nil, &out)
	return out, err
}
func scheduleQuery(in SchedulePageRequest) url.Values {
	q := url.Values{}
	if in.Limit != 0 {
		q.Set("limit", strconv.Itoa(in.Limit))
	}
	if in.Cursor != "" {
		q.Set("cursor", in.Cursor)
	}
	return q
}