package main

import (
	"context"
)

func query_list[T any](ctx context.Context, query string, args ...any) ([]T, error) {
	rows, err := database.Query(ctx, query, args...)
	if err != nil {
		return nil, err
	}
	defer rows.Close()

	var result []T
	for rows.Next() {
		var item T
		if err := rows.Scan(&item); err != nil {
			return nil, err
		}
		result = append(result, item)
	}

	if err := rows.Err(); err != nil {
		return nil, err
	}

	return result, nil
}

func query_name_desc_list(ctx context.Context, query string, args ...any) ([]name_desc_t, error) {
	rows, err := database.Query(ctx, query, args...)
	if err != nil {
		return nil, err
	}
	defer rows.Close()

	result := []name_desc_t{}
	for rows.Next() {
		var name, description string
		if err := rows.Scan(&name, &description); err != nil {
			return nil, err
		}
		result = append(result, name_desc_t{name, description})
	}
	return result, rows.Err()
}

package main

import (
	"net/http"
)

func handle_group_repos(w http.ResponseWriter, r *http.Request, params map[string]any) {
	group_name := params["group_name"]

	rows, err := database.Query(r.Context(), "SELECT r.name, COALESCE(r.description, '') FROM repos r JOIN groups g ON r.group_id = g.id WHERE g.name = $1;", group_name)

	repos, err := query_name_desc_list(r.Context(), "SELECT r.name, COALESCE(r.description, '') FROM repos r JOIN groups g ON r.group_id = g.id WHERE g.name = $1;", group_name)

	if err != nil {
		http.Error(w, "Error getting groups: "+err.Error(), http.StatusInternalServerError)
		return

	}
	defer rows.Close()

	repos := []name_desc_t{}
	for rows.Next() {
		var repoName, repoDescription string
		if err := rows.Scan(&repoName, &repoDescription); err != nil {
			http.Error(w, "Error scanning repo: "+err.Error(), http.StatusInternalServerError)
			return
		}
		repos = append(repos, name_desc_t{repoName, repoDescription})

	}
	params["repos"] = repos

	err = templates.ExecuteTemplate(w, "group_repos", params)
	if err != nil {
		http.Error(w, "Error rendering template: "+err.Error(), http.StatusInternalServerError)
		return
	}
}

package main

import (
	"net/http"
)

func handle_index(w http.ResponseWriter, r *http.Request, params map[string]any) {

	rows, err := database.Query(r.Context(), "SELECT name, COALESCE(description, '') FROM groups")

	groups, err := query_name_desc_list(r.Context(), "SELECT name, COALESCE(description, '') FROM groups")

	if err != nil {
		http.Error(w, "Error querying groups: "+err.Error(), http.StatusInternalServerError)
		return
	}

	defer rows.Close()

	groups := []name_desc_t{}
	for rows.Next() {
		var groupName, groupDescription string
		if err := rows.Scan(&groupName, &groupDescription); err != nil {
			http.Error(w, "Error scanning group: "+err.Error(), http.StatusInternalServerError)
			return
		}
		groups = append(groups, name_desc_t{groupName, groupDescription})
	}

	if err := rows.Err(); err != nil {
		http.Error(w, "Error iterating over rows: "+err.Error(), http.StatusInternalServerError)
		return
	}

	params["groups"] = groups

	err = templates.ExecuteTemplate(w, "index", params)
	if err != nil {
		http.Error(w, "Error rendering template: "+err.Error(), http.StatusInternalServerError)
		return
	}
}