// Copyright 2017 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 repo

import (
	"time"

	"code.gitea.io/gitea/models"
	"code.gitea.io/gitea/modules/base"
	"code.gitea.io/gitea/modules/context"
)

const (
	tplActivity base.TplName = "repo/activity"
)

// Activity render the page to show repository latest changes
func Activity(ctx *context.Context) {
	ctx.Data["Title"] = ctx.Tr("repo.activity")
	ctx.Data["PageIsActivity"] = true

	ctx.Data["Period"] = ctx.Params("period")

	timeUntil := time.Now()
	var timeFrom time.Time

	switch ctx.Data["Period"] {
	case "daily":
		timeFrom = timeUntil.Add(-time.Hour * 24)
	case "halfweekly":
		timeFrom = timeUntil.Add(-time.Hour * 72)
	case "weekly":
		timeFrom = timeUntil.Add(-time.Hour * 168)
	case "monthly":
		timeFrom = timeUntil.AddDate(0, -1, 0)
	default:
		ctx.Data["Period"] = "weekly"
		timeFrom = timeUntil.Add(-time.Hour * 168)
	}
	ctx.Data["DateFrom"] = timeFrom.Format("January 2, 2006")
	ctx.Data["DateUntil"] = timeUntil.Format("January 2, 2006")
	ctx.Data["PeriodText"] = ctx.Tr("repo.activity.period." + ctx.Data["Period"].(string))

	stats := &models.ActivityStats{}

	if ctx.Repo.Repository.UnitEnabled(models.UnitTypeReleases) {
		if err := models.FillReleasesForActivity(stats, ctx.Repo.Repository.ID, timeFrom); err != nil {
			ctx.Handle(500, "FillReleasesForActivity", err)
			return
		}
	}
	if ctx.Repo.Repository.UnitEnabled(models.UnitTypePullRequests) {
		if err := models.FillPullRequestsForActivity(stats, ctx.Repo.Repository.ID, timeFrom); err != nil {
			ctx.Handle(500, "FillPullRequestsForActivity", err)
			return
		}
	}
	if ctx.Repo.Repository.UnitEnabled(models.UnitTypeIssues) {
		if err := models.FillIssuesForActivity(stats, ctx.Repo.Repository.ID, timeFrom); err != nil {
			ctx.Handle(500, "FillIssuesForActivity", err)
			return
		}
	}
	if err := models.FillUnresolvedIssuesForActivity(stats, ctx.Repo.Repository.ID, timeFrom,
		ctx.Repo.Repository.UnitEnabled(models.UnitTypeIssues),
		ctx.Repo.Repository.UnitEnabled(models.UnitTypePullRequests)); err != nil {
		ctx.Handle(500, "FillUnresolvedIssuesForActivity", err)
		return
	}

	ctx.Data["Activity"] = stats

	ctx.HTML(200, tplActivity)
}