package router

import (
	"fmt"
	"net/http"
	"os"
	"runtime"
	"strings"

	"github.com/debridmediamanager/zurg/internal/config"
	"github.com/debridmediamanager/zurg/internal/version"
	"github.com/debridmediamanager/zurg/pkg/realdebrid"
	"github.com/julienschmidt/httprouter"
)

type SponsorResponse struct {
	Patreon string `json:"patreon"`
	Github  string `json:"github"`
	Paypal  string `json:"paypal"`
}
type RootResponse struct {
	Version    string            `json:"version"`
	BuiltAt    string            `json:"built_at"`
	GitCommit  string            `json:"git_commit"`
	Dav        string            `json:"dav"`
	Html       string            `json:"html"`
	Logs       string            `json:"logs"`
	UserInfo   *realdebrid.User  `json:"user_info"`    // Replace UserInfoType with the actual type
	MemAlloc   uint64            `json:"mem_alloc"`    // Memory allocation in MB
	TotalAlloc uint64            `json:"total_alloc"`  // Total memory allocated in MB
	Sys        uint64            `json:"sys"`          // System memory in MB
	NumGC      uint32            `json:"num_gc"`       // Number of completed GC cycles
	PID        int               `json:"pid"`          // Process ID
	Sponsor    SponsorResponse   `json:"sponsor_zurg"` // Sponsorship links
	Config     config.ZurgConfig `json:"config"`
}

func (zr *ZurgRouter) rootHandler(resp http.ResponseWriter, req *http.Request, params httprouter.Params) {
	userInfo, err := zr.api.GetUserInformation()
	if err != nil {
		http.Error(resp, err.Error(), http.StatusInternalServerError)
		return
	}

	var mem runtime.MemStats
	runtime.ReadMemStats(&mem)

	response := RootResponse{
		Version:    version.GetVersion(),
		BuiltAt:    version.GetBuiltAt(),
		GitCommit:  version.GetGitCommit(),
		Dav:        fmt.Sprintf("//%s/dav/", req.Host),
		Html:       fmt.Sprintf("//%s/http/", req.Host),
		Logs:       fmt.Sprintf("//%s/logs/", req.Host),
		UserInfo:   userInfo,
		MemAlloc:   bToMb(mem.Alloc),
		TotalAlloc: bToMb(mem.TotalAlloc),
		Sys:        bToMb(mem.Sys),
		NumGC:      mem.NumGC,
		PID:        os.Getpid(),
		Sponsor: SponsorResponse{
			Patreon: "https://www.patreon.com/debridmediamanager",
			Github:  "https://github.com/sponsors/debridmediamanager",
			Paypal:  "https://paypal.me/yowmamasita",
		},
		Config: zr.cfg.GetConfig(),
	}

	out := `<table border="1px">
    <tr>
        <th colspan="3">zurg</th>
    </tr>
    <tr>
        <td>Version</td>
        <td colspan="2">%s</td>
    </tr>
    <tr>
        <td>Built At</td>
        <td colspan="2">%s</td>
    </tr>
    <tr>
        <td>Git Commit</td>
        <td colspan="2">%s</td>
    </tr>
    <tr>
        <td>DAV</td>
        <td colspan="2"><a href="%s">%s</a></td>
    </tr>
    <tr>
        <td>HTML</td>
        <td colspan="2"><a href="%s">%s</a></td>
    </tr>
    <tr>
        <td>Logs</td>
        <td colspan="2"><a href="%s">%s</a></td>
    </tr>
    <tr>
        <td>Memory Allocation</td>
        <td colspan="2">%d MB</td>
    </tr>
    <tr>
        <td>Total Memory Allocated</td>
        <td colspan="2">%d MB</td>
    </tr>
    <tr>
        <td>System Memory</td>
        <td colspan="2">%d MB</td>
    </tr>
    <tr>
        <td>Number of GC Cycles</td>
        <td colspan="2">%d</td>
    </tr>
    <tr>
        <td>Process ID</td>
        <td colspan="2">%d</td>
    </tr>
    <tr>
        <td rowspan="3">Sponsor Zurg</td>
        <td>Patreon</td>
		<td><a href="%s">%s</a></td>
    </tr>
    <tr>
        <td>Github</td>
		<td><a href="%s">%s</a></td>
    </tr>
    <tr>
        <td>Paypal</td>
		<td><a href="%s">%s</a></td>
    </tr>
    <tr>
        <td rowspan="6">User Info</td>
        <td>Username</td>
		<td>%s</td>
    </tr>
    <tr>
        <td>Points</td>
		<td>%d</td>
    </tr>
    <tr>
        <td>Locale</td>
		<td>%s</td>
    </tr>
    <tr>
        <td>Type</td>
		<td>%s</td>
    </tr>
    <tr>
        <td>Premium</td>
		<td>%d seconds</td>
    </tr>
    <tr>
        <td>Expiration</td>
		<td>%s</td>
    </tr>
    <tr>
        <td rowspan="20">Config</td>
        <td>Version</td>
        <td>%s</td>
    </tr>
    <tr>
        <td>Token</td>
		<td>%s</td>
    </tr>
    <tr>
        <td>Host</td>
		<td>%s</td>
    </tr>
    <tr>
        <td>Port</td>
		<td>%s</td>
    </tr>
    <tr>
        <td>Number of Workers</td>
		<td>%d</td>
    </tr>
    <tr>
        <td>Refresh Every Seconds</td>
		<td>%d</td>
    </tr>
    <tr>
        <td>Retain RD Torrent Name</td>
		<td>%t</td>
    </tr>
    <tr>
        <td>Retain Folder Name Extension</td>
		<td>%t</td>
    </tr>
    <tr>
        <td>Can Repair</td>
		<td>%t</td>
    </tr>
    <tr>
        <td>Delete Rar Files</td>
		<td>%t</td>
    </tr>
    <tr>
        <td>RealDebrid Timeout</td>
		<td>%d</td>
    </tr>
    <tr>
        <td>Use Download Cache</td>
		<td>%t</td>
    </tr>
    <tr>
        <td>Rate Limit Sleep Seconds</td>
		<td>%d</td>
    </tr>
    <tr>
        <td>Retries Until Failed</td>
		<td>%d</td>
    </tr>
    <tr>
        <td>Preferred Hosts</td>
		<td>%s</td>
    </tr>
    <tr>
        <td>Network Buffer Size</td>
		<td>%d</td>
    </tr>
    <tr>
        <td>Serve From Rclone</td>
		<td>%t</td>
    </tr>
    <tr>
        <td>Verify Download Link</td>
		<td>%t</td>
    </tr>
    <tr>
        <td>Force IPv6</td>
		<td>%t</td>
    </tr>
    <tr>
        <td>On Library Update</td>
		<td>%s</td>
    </tr>
</table>
`
	out = fmt.Sprintf(out,
		response.Version,
		response.BuiltAt,
		response.GitCommit,
		response.Dav,
		response.Dav,
		response.Html,
		response.Html,
		response.Logs,
		response.Logs,
		response.MemAlloc,
		response.TotalAlloc,
		response.Sys,
		response.NumGC,
		response.PID,
		response.Sponsor.Patreon,
		response.Sponsor.Patreon,
		response.Sponsor.Github,
		response.Sponsor.Github,
		response.Sponsor.Paypal,
		response.Sponsor.Paypal,
		response.UserInfo.Username,
		response.UserInfo.Points,
		response.UserInfo.Locale,
		response.UserInfo.Type,
		response.UserInfo.Premium,
		response.UserInfo.Expiration,
		response.Config.Version,
		strings.Replace(response.Config.Token, response.Config.Token[len(response.Config.Token)-48:], "*****", 1),
		response.Config.Host,
		response.Config.Port,
		response.Config.NumOfWorkers,
		response.Config.RefreshEverySeconds,
		response.Config.RetainRDTorrentName,
		response.Config.RetainFolderNameExtension,
		response.Config.CanRepair,
		response.Config.DeleteRarFiles,
		response.Config.RealDebridTimeout,
		response.Config.UseDownloadCache,
		response.Config.RateLimitSleepSeconds,
		response.Config.RetriesUntilFailed,
		strings.Join(response.Config.PreferredHosts, ", "),
		response.Config.NetworkBufferSize,
		response.Config.ServeFromRclone,
		response.Config.VerifyDownloadLink,
		response.Config.ForceIPv6,
		response.Config.OnLibraryUpdate,
	)

	fmt.Fprint(resp, out)
}