add monster panel to admin

internal/models/monsters/monsters.go

@@ -105,6 +105,15 @@ func ByImmunity(immunityType int) ([]*Monster, error) {
 	return monsters, err
 }
 
+func ByName(name string) (*Monster, error) {
+	var monster Monster
+	err := database.Get(&monster, "SELECT * FROM monsters WHERE name = %s COLLATE NOCASE", name)
+	if err != nil {
+		return nil, fmt.Errorf("monster with name '%s' not found", name)
+	}
+	return &monster, nil
+}
+
 // Helper methods
 func (m *Monster) IsHurtImmune() bool {
 	return m.Immune == ImmuneHurt

internal/routes/admin.go

@@ -4,6 +4,7 @@ import (
 	"dk/internal/components"
 	"dk/internal/database"
 	"dk/internal/helpers"
+	"dk/internal/models/monsters"
 	"dk/internal/models/news"
 	"dk/internal/models/spells"
 	"dk/internal/models/towns"
@@ -46,6 +47,11 @@ func RegisterAdminRoutes(app *sushi.App) {
 	group.Post("/spells/new", adminSpellCreate)
 	group.Get("/spells/:id", adminSpellEdit)
 	group.Post("/spells/:id", adminSpellUpdate)
+	group.Get("/monsters", adminMonstersIndex)
+	group.Get("/monsters/new", adminMonsterNew)
+	group.Post("/monsters/new", adminMonsterCreate)
+	group.Get("/monsters/:id", adminMonsterEdit)
+	group.Post("/monsters/:id", adminMonsterUpdate)
 }
 
 func adminIndex(ctx sushi.Ctx) {
@@ -610,6 +616,204 @@ func checkSpellNameConflict(name string, excludeID int) error {
 	return nil
 }
 
+func adminMonstersIndex(ctx sushi.Ctx) {
+	pagination := helpers.Pagination{
+		Page:    max(int(ctx.QueryArgs().GetUintOrZero("page")), 1),
+		PerPage: 30,
+	}
+
+	type MonsterData struct {
+		ID           int
+		Name         string
+		Level        int
+		MaxHP        int
+		MaxDmg       int
+		Armor        int
+		MaxExp       int
+		MaxGold      int
+		Immune       int
+		ImmunityName string
+	}
+
+	var monsterList []*MonsterData
+	err := database.Select(&monsterList, `
+		SELECT id, name, level, max_hp, max_dmg, armor, max_exp, max_gold, immune,
+		       CASE immune
+		           WHEN 0 THEN 'None'
+		           WHEN 1 THEN 'Hurt Spells'
+		           WHEN 2 THEN 'Sleep Spells'
+		           ELSE 'Unknown'
+		       END as immunity_name
+		FROM monsters
+		ORDER BY level ASC, id ASC
+		LIMIT %d OFFSET %d`, pagination.PerPage, pagination.Offset())
+
+	if err != nil {
+		fmt.Printf("Error getting monster list for admin index: %s", err.Error())
+		monsterList = make([]*MonsterData, 0)
+	}
+
+	type CountResult struct{ Count int }
+	var result CountResult
+	database.Get(&result, "SELECT COUNT(*) as count FROM monsters")
+	pagination.Total = result.Count
+
+	components.RenderAdminPage(ctx, "Monster Management", "admin/monsters/index.html", map[string]any{
+		"monsters":    monsterList,
+		"currentPage": pagination.Page,
+		"totalPages":  pagination.TotalPages(),
+		"hasNext":     pagination.HasNext(),
+		"hasPrev":     pagination.HasPrev(),
+	})
+}
+
+func adminMonsterNew(ctx sushi.Ctx) {
+	monster := monsters.New()
+	components.RenderAdminPage(ctx, "Add New Monster", "admin/monsters/edit.html", map[string]any{
+		"monster": monster,
+	})
+}
+
+func adminMonsterCreate(ctx sushi.Ctx) {
+	sess := ctx.GetCurrentSession()
+	monster := monsters.New()
+
+	if err := populateMonsterFromForm(ctx, monster); err != nil {
+		sess.SetFlash("error", err.Error())
+		ctx.Redirect("/admin/monsters/new")
+		return
+	}
+
+	if err := monster.Validate(); err != nil {
+		sess.SetFlash("error", err.Error())
+		ctx.Redirect("/admin/monsters/new")
+		return
+	}
+
+	if err := checkMonsterNameConflict(monster.Name, 0); err != nil {
+		sess.SetFlash("error", err.Error())
+		ctx.Redirect("/admin/monsters/new")
+		return
+	}
+
+	if err := monster.Insert(); err != nil {
+		sess.SetFlash("error", "Failed to create monster")
+		ctx.Redirect("/admin/monsters/new")
+		return
+	}
+
+	sess.SetFlash("success", fmt.Sprintf("Monster %s created successfully", monster.Name))
+	ctx.Redirect("/admin/monsters")
+}
+
+func adminMonsterEdit(ctx sushi.Ctx) {
+	sess := ctx.GetCurrentSession()
+	id := ctx.Param("id").Int()
+
+	monster, err := monsters.Find(id)
+	if err != nil {
+		sess.SetFlash("error", fmt.Sprintf("Monster %d not found", id))
+		ctx.Redirect("/admin/monsters")
+		return
+	}
+
+	components.RenderAdminPage(ctx, fmt.Sprintf("Edit Monster: %s", monster.Name), "admin/monsters/edit.html", map[string]any{
+		"monster": monster,
+	})
+}
+
+func adminMonsterUpdate(ctx sushi.Ctx) {
+	sess := ctx.GetCurrentSession()
+	id := ctx.Param("id").Int()
+
+	monster, err := monsters.Find(id)
+	if err != nil {
+		sess.SetFlash("error", fmt.Sprintf("Monster %d not found", id))
+		ctx.Redirect("/admin/monsters")
+		return
+	}
+
+	// Check if delete was requested
+	if ctx.Form("delete").String() == "1" {
+		if err := monster.Delete(); err != nil {
+			sess.SetFlash("error", "Failed to delete monster")
+			ctx.Redirect(fmt.Sprintf("/admin/monsters/%d", id))
+			return
+		}
+		sess.SetFlash("success", fmt.Sprintf("Monster %s deleted successfully", monster.Name))
+		ctx.Redirect("/admin/monsters")
+		return
+	}
+
+	if err := populateMonsterFromForm(ctx, monster); err != nil {
+		sess.SetFlash("error", err.Error())
+		ctx.Redirect(fmt.Sprintf("/admin/monsters/%d", id))
+		return
+	}
+
+	if err := monster.Validate(); err != nil {
+		sess.SetFlash("error", err.Error())
+		ctx.Redirect(fmt.Sprintf("/admin/monsters/%d", id))
+		return
+	}
+
+	if err := checkMonsterNameConflict(monster.Name, monster.ID); err != nil {
+		sess.SetFlash("error", err.Error())
+		ctx.Redirect(fmt.Sprintf("/admin/monsters/%d", id))
+		return
+	}
+
+	fields := map[string]any{
+		"name":     monster.Name,
+		"level":    monster.Level,
+		"max_hp":   monster.MaxHP,
+		"max_dmg":  monster.MaxDmg,
+		"armor":    monster.Armor,
+		"max_exp":  monster.MaxExp,
+		"max_gold": monster.MaxGold,
+		"immune":   monster.Immune,
+	}
+
+	if err := database.Update("monsters", fields, "id", id); err != nil {
+		sess.SetFlash("error", "Failed to update monster")
+		ctx.Redirect(fmt.Sprintf("/admin/monsters/%d", id))
+		return
+	}
+
+	sess.SetFlash("success", fmt.Sprintf("Monster %s updated successfully", monster.Name))
+	ctx.Redirect("/admin/monsters")
+}
+
+func populateMonsterFromForm(ctx sushi.Ctx, monster *monsters.Monster) error {
+	monster.Name = strings.TrimSpace(ctx.Form("name").String())
+	monster.Level = ctx.Form("level").Int()
+	monster.MaxHP = ctx.Form("max_hp").Int()
+	monster.MaxDmg = ctx.Form("max_dmg").Int()
+	monster.Armor = ctx.Form("armor").Int()
+	monster.MaxExp = ctx.Form("max_exp").Int()
+	monster.MaxGold = ctx.Form("max_gold").Int()
+	monster.Immune = ctx.Form("immune").Int()
+
+	if monster.Name == "" {
+		return fmt.Errorf("monster name is required")
+	}
+
+	return nil
+}
+
+func checkMonsterNameConflict(name string, excludeID int) error {
+	existingMonster, err := monsters.ByName(name)
+	if err != nil {
+		return nil // No conflict if no monster found or database error
+	}
+	
+	if existingMonster != nil && existingMonster.ID != excludeID {
+		return fmt.Errorf("a monster with the name '%s' already exists", name)
+	}
+	
+	return nil
+}
+
 func bToMb(b uint64) uint64 {
 	return b / 1024 / 1024
 }

templates/admin/monsters/edit.html

@@ -0,0 +1,52 @@
+{include "admin/layout.html"}
+
+{block "content"}
+<h1>{if monster.ID}Edit Monster: {monster.Name}{else}Add New Monster{/if}</h1>
+
+<form class="standard" method="post">
+	{csrf}
+	<div>
+		<label for="name">Monster Name:</label>
+		<input type="text" name="name" id="name" value="{monster.Name}" required>
+	</div>
+	<div>
+		<label for="level">Level:</label>
+		<input type="number" name="level" id="level" value="{monster.Level}" min="1" required>
+	</div>
+	<div>
+		<label for="max_hp">Max HP:</label>
+		<input type="number" name="max_hp" id="max_hp" value="{monster.MaxHP}" min="1" required>
+	</div>
+	<div>
+		<label for="max_dmg">Max Damage:</label>
+		<input type="number" name="max_dmg" id="max_dmg" value="{monster.MaxDmg}" min="0" required>
+	</div>
+	<div>
+		<label for="armor">Armor:</label>
+		<input type="number" name="armor" id="armor" value="{monster.Armor}" min="0" required>
+	</div>
+	<div>
+		<label for="max_exp">Max Experience:</label>
+		<input type="number" name="max_exp" id="max_exp" value="{monster.MaxExp}" min="0" required>
+	</div>
+	<div>
+		<label for="max_gold">Max Gold:</label>
+		<input type="number" name="max_gold" id="max_gold" value="{monster.MaxGold}" min="0" required>
+	</div>
+	<div>
+		<label for="immune">Immunity:</label>
+		<select name="immune" id="immune" required>
+			<option value="0"{if monster.Immune == 0} selected{/if}>None</option>
+			<option value="1"{if monster.Immune == 1} selected{/if}>Hurt Spells</option>
+			<option value="2"{if monster.Immune == 2} selected{/if}>Sleep Spells</option>
+		</select>
+	</div>
+	<div>
+		<a href="/admin/monsters"><button type="button" class="btn">Cancel</button></a>
+		<button type="submit" class="btn btn-primary">{if monster.ID}Update{else}Create{/if} Monster</button>
+		{if monster.ID}
+			<button type="submit" name="delete" value="1" class="btn btn-danger" onclick="return confirm('Are you sure you want to delete this monster?')">Delete Monster</button>
+		{/if}
+	</div>
+</form>
+{/block}

templates/admin/monsters/index.html

@@ -0,0 +1,66 @@
+{include "admin/layout.html"}
+
+{block "content"}
+<h1>Monster Management</h1>
+
+<div style="margin-bottom: 1rem;">
+	<a href="/admin/monsters/new" class="btn btn-primary">Add New Monster</a>
+</div>
+
+<p>
+	Total monsters: {#monsters} | Page {currentPage} of {totalPages}
+</p>
+
+{if #monsters > 0}
+<table>
+	<thead>
+		<tr>
+			<th>ID</th>
+			<th>Name</th>
+			<th>Level</th>
+			<th>HP</th>
+			<th>Damage</th>
+			<th>Armor</th>
+			<th>Exp</th>
+			<th>Gold</th>
+			<th>Immunity</th>
+			<th>Actions</th>
+		</tr>
+	</thead>
+	<tbody>
+		{for monster in monsters}
+		<tr>
+			<td>{monster.ID}</td>
+			<td>{monster.Name}</td>
+			<td>{monster.Level}</td>
+			<td>{monster.MaxHP}</td>
+			<td>{monster.MaxDmg}</td>
+			<td>{monster.Armor}</td>
+			<td>{monster.MaxExp}</td>
+			<td>{monster.MaxGold}</td>
+			<td>{monster.ImmunityName}</td>
+			<td>
+				<a href="/admin/monsters/{monster.ID}">Edit</a>
+			</td>
+		</tr>
+		{/for}
+	</tbody>
+</table>
+
+{if totalPages > 1}
+<div class="pagination">
+	{if hasPrev}
+		<a href="/admin/monsters?page={currentPage - 1}">← Previous</a>
+	{/if}
+	{if hasNext}
+		<a href="/admin/monsters?page={currentPage + 1}">Next →</a>
+	{/if}
+</div>
+{/if}
+
+{else}
+<div>
+	No monsters found.
+</div>
+{/if}
+{/block}